Ronald J. Jaszczak | Scholars@Duke

Ronald J. Jaszczak
Professor Emeritus in the Department of Radiology

We currently have a large effort in quantitative nuclear medicine imaging, specifically in SPECT. This research covers basic instrumentation development, investigation and development of new image reconstruction algorithms, simulations, and evaluation of new quantitative techniques. Quantitation has been an ongoing topic of research in our group, and requires understanding of the physical phenomena involved in SPECT acquisition. Photon attenuation, scatter, limited spatial resolution, and image noise all contribute to the inherent quantitative inaccuracy in SPECT images, and must be compensated for. Our group is investigating ways to solve these problems through improved hardware, simulation and reconstruction.

A major thrust of research in our group concerns improving imaging methods for evaluating myocardial perfusion and breast tumor characterization using Technetium-99, the most widely used nuclide. Our group has investigated alternate collimator design (fan-beam, half cone-beam, pinhole and astigmatic geometries), simulation methods, iterative reconstruction techniques, visualization, receiver operating characteristics (ROC) analysis, and correlation of images with other imaging modalities. Alternate collimator designs can improve the number of photons detected and therby reduce image noise, or in the case of pinhole collimation, can be used to magnify images significantly, increasing the effective resolution for small objects.

We have developed and tested new filtered backprojection and iterative reconstruction methods that model non-uniform attenuation and distance-dependent detectors response. Iterative reconstruction methods, although computationally time consuming, allow proper correction for the degrading effects. We have performed Monte Carlo simulation to determine collimator and reconstruction properties which cannot be measured easily. Simulation provides a way to divide the degrading physical effects into components for separate study. Both converging beam and parallel beam collimator geometries have been modeled and novel ways of improving the efficiency of the computationally intensive methods have been introduced.

Current Appointments & Affiliations

Professor Emeritus in the Department of Radiology, Radiology, Clinical Science Departments 2010

Contact Information

2919 Reynolda Circle, Durham, NC 27712
2919 Reynolda Circle, Durham, NC 27712
r.jaszczak@ieee.org (919) 810-7700

Background
Education, Training, & Certifications
- Ph.D., University of Florida 1968
Duke Appointment History
- Member of the Duke Cancer Institute, Duke Cancer Institute, Institutes and Centers 1979 - 2013
- Professor in the Department of Radiology, Radiology, Clinical Science Departments 1989 - 2010
- Professor of Biomedical Engineering, Biomedical Engineering, Pratt School of Engineering 2003 - 2005
- Professor of Biomedical Engineering, Biomedical Engineering, Pratt School of Engineering 1992 - 1997
- Associate Professor of Biomedical Engineering, Biomedical Engineering, Pratt School of Engineering 1986 - 1988
Research
Selected Grants
- Cross-disciplinary Training in Medical Physics awarded by National Institutes of Health 2007 - 2013
- Research Training In Neuro-Oncology awarded by National Institutes of Health 2005 - 2010
- Offset Astigmatic and Variable Focusing Collimation for Helical SPECT Brain Scans awarded by National Institutes of Health 2006 - 2009
- Breast Cancer Imaging Using Non-Parallel Beam SPECT awarded by National Institutes of Health 1998 - 2008
- In Vivo Radionuclide Quantitation Using Emission Ct awarded by National Institutes of Health 1999 - 2004
- SPECT Assay Of Radiolabeled Monoclonal Antibodies awarded by Department of Energy 1995 - 2004
- Accurate and Precise Calibrations for Pinhole SPECT awarded by National Institutes of Health 2003 - 2004
- Helical Pinhole SPECT for Small-Scale Quantification awarded by National Institutes of Health 2003 - 2004
- Molecular Imaging Center Planning Grant awarded by National Institutes of Health 2000 - 2004
- Update of Duke Research SPECT System awarded by National Institutes of Health 2002 - 2003
- In Vivo Radionuclide Quantitation Using Emission Ct awarded by National Institutes of Health 1995 - 1998
- In Vivo Radionuclide Quantitation Using Emission Ct awarded by National Institutes of Health 1983 - 1998
- Spect Assay Of Radiolabeled Monoclonal Antibodies awarded by Department of Energy 1995 - 1998
- Spect Assay Of Radiolabeled Monoclonial Antibodies awarded by Department of Energy 1992 - 1997
- Spect Assay Of Radiolabeled Monoclonal Antibodies awarded by Department of Energy 1994 - 1996
- In Vivo Radionuclide Ouantitation Using Emission awarded by National Institutes of Health 1993 - 1994
- In Vivo Radionuclide Quantitation Using Emmission Ct awarded by National Institutes of Health 1992 - 1994
- In Vivo Radionuclide Quantitation Using Emmission Ct awarded by National Institutes of Health 1991 - 1994
- In Vivo Quantation Using Emission Ct awarded by National Institutes of Health 1990 - 1994
- Aging And Cognition After Cardiac Surgery awarded by National Institutes of Health 1992 - 1994
- Quantitative Spect Instrumentation awarded by Department of Energy 1990 - 1992
- Update Of Duke Research Spect System awarded by National Institutes of Health 1988 - 1989
- In Vivo Quantitation Using Emission Ct awarded by National Institutes of Health 1988 - 1989
- Update Of Duke Research Spect System awarded by National Institutes of Health 1987 - 1988
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Lawrence, Michael V., Mert Saynak, David V. Fried, Ted A. Bateman, Rebecca L. Green, Jessica L. Hubbs, Ronald J. Jaszczak, et al. “Assessing the impact of radiation-induced changes in soft tissue density ∕ thickness on the study of radiation-induced perfusion changes in the lung and heart.” Med Phys 39, no. 12 (December 2012): 7644–49. https://doi.org/10.1118/1.4766433.
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  - Metzler, Scott D., Roberto Accorsi, Ahmet S. Ayan, and Ronald J. Jaszczak. “Slit-Slat and Multislit-Slat Collimator Design and Experimentally Acquired Phantom Images from a Rotating Prototype.” Ieee Trans Nucl Sci 57, no. 1 (February 1, 2010): 125–34. https://doi.org/10.1109/TNS.2009.2033989.
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  - Zhang, Junan, Jinli Ma, Sumin Zhou, Jessica L. Hubbs, Terence Z. Wong, Rodney J. Folz, Elizabeth S. Evans, Ronald J. Jaszczak, Robert Clough, and Lawrence B. Marks. “Radiation-induced reductions in regional lung perfusion: 0.1-12 year data from a prospective clinical study.” Int J Radiat Oncol Biol Phys 76, no. 2 (February 1, 2010): 425–32. https://doi.org/10.1016/j.ijrobp.2009.02.005.
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  - Metzler, Scott D., Sreekanth Vemulapalli, Ronald J. Jaszczak, Gamal Akabani, and Bennett B. Chin. “Feasibility of whole-body functional mouse imaging using helical pinhole SPECT.” Mol Imaging Biol 12, no. 1 (January 2010): 35–41. https://doi.org/10.1007/s11307-009-0234-z.
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  - Ter-Antonyan, R., R. J. Jaszczak, J. E. Bowsher, K. L. Greer, and S. D. Metzler. “Multi-geometric collimation for high sensitivity brain SPECT.” Ieee Nuclear Science Symposium Conference Record, December 1, 2009, 3132–34. https://doi.org/10.1109/NSSMIC.2009.5401683.
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  - Ter-Antonyan, Ruben, Ronald J. Jaszczak, Kim L. Greer, James E. Bowsher, Scott D. Metzler, and R Edward Coleman. “Combination of converging collimators for high-sensitivity brain SPECT.” J Nucl Med 50, no. 9 (September 2009): 1548–56. https://doi.org/10.2967/jnumed.109.062653.
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  - Ter-Antonyan, R., J. E. Bowsher, K. L. Greer, S. D. Metzler, and R. J. Jaszczak. “High sensitivity collimators for brain SPECT.” Ieee Nuclear Science Symposium Conference Record, December 1, 2008, 3683–86. https://doi.org/10.1109/NSSMIC.2008.4774184.
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  - Ter-Antonyan, Ruben, Ronald J. Jaszczak, James E. Bowsher, Kim L. Greer, and Scott D. Metzler. “Quantitative Evaluation of Half-Cone-Beam Scan Paths in Triple-Camera Brain SPECT.” Ieee Trans Nucl Sci 55, no. 5 (October 1, 2008): 2518–26. https://doi.org/10.1109/TNS.2008.2003255.
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  - Ter-Antonyan, R., R. J. Jaszczak, J. E. Bowsher, K. L. Greer, and S. D. Metzler. “Quantitative evaluation of half-cone-beam data acquisition trajectories in triple-camera brain SPECT.” Ieee Nuclear Science Symposium Conference Record 5 (December 1, 2007): 3898–3903. https://doi.org/10.1109/NSSMIC.2007.4436970.
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  - Ter-Antonyan, R., R. J. Jaszczak, J. E. Bowsher, K. L. Greer, and S. D. Metzler. “Half-cone-beam data sufficiency in triple-camera SPECT.” Ieee Nuclear Science Symposium Conference Record 6 (December 1, 2007): 4442–46. https://doi.org/10.1109/NSSMIC.2007.4437097.
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  - Chin, Bennett B., Scott D. Metzler, Anthony Lemaire, Antonio Curcio, Sreekanth Vemulapalli, Kim L. Greer, Neil A. Petry, et al. “Left ventricular functional assessment in mice: feasibility of high spatial and temporal resolution ECG-gated blood pool SPECT.” Radiology 245, no. 2 (November 2007): 440–48. https://doi.org/10.1148/radiol.2452061973.
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  - Metzler, S. D., R. J. Jaszczak, K. L. Greer, and J. E. Bowsher. “Angular-dependent axial-shift correction for pinhole SPECT.” Ieee Transactions on Nuclear Science 54, no. 1 (February 1, 2007): 124–29. https://doi.org/10.1109/TNS.2006.887470.
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  - Ter-Antonyan, Ruben, Ronald J. Jaszczak, James E. Bowsher, Kim L. Greer, and Scott D. Metzler. “Brain SPECT Simulation Using Half-Cone-Beam Collimation and Single-Revolution Helical-Path Acquisition.” Ieee Trans Nucl Sci 54, no. 3 (2007): 475–79. https://doi.org/10.1109/TNS.2007.897826.
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  - Vemulapalli, Sreekanth, Scott D. Metzler, Gamal Akabani, Neil A. Petry, Nelsen J. Niehaus, Xialin Liu, Nikhil H. Patil, et al. “Cell therapy in murine atherosclerosis: in vivo imaging with high-resolution helical SPECT.” Radiology 242, no. 1 (January 2007): 198–207. https://doi.org/10.1148/radiol.2421051461.
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  - Metzler, Scott D., Roberto Accorsi, John R. Novak, Ahmet S. Ayan, and Ronald J. Jaszczak. “On-axis sensitivity and resolution of a slit-slat collimator.” J Nucl Med 47, no. 11 (November 2006): 1884–90.
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  - Jaszczak, Ronald Jack. “The early years of single photon emission computed tomography (SPECT): an anthology of selected reminiscences.” Phys Med Biol 51, no. 13 (July 7, 2006): R99-115. https://doi.org/10.1088/0031-9155/51/13/R07.
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  - Bobkov, K. V., J. E. Bowsher, K. L. Greer, R. J. Jaszczak, K. E. Braun, and T. J. Lee. “Phantom assessment of new acquisition geometries for breast pinhole SPECT imaging.” Ieee Transactions on Nuclear Science 53, no. 3 (June 1, 2006): 1162–67. https://doi.org/10.1109/TNS.2006.874958.
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  - Bowsher, J. E., D. M. DeLong, T. G. Turkington, and R. J. Jaszczak. “Aligning emission tomography and MRI images by optimizing the emission-tomography image reconstruction objective function.” Ieee Transactions on Nuclear Science 53, no. 3 (June 1, 2006): 1248–58. https://doi.org/10.1109/TNS.2006.875467.
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  - Metzler, S. D., and R. J. Jaszczak. “Simultaneous multi-head calibration for pinhole SPECT.” Ieee Transactions on Nuclear Science 53, no. 1 (February 1, 2006): 113–20. https://doi.org/10.1109/TNS.2005.862978.
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  - Bowsher, J. E., J. R. Roper, J. Peter, and R. J. Jaszczak. “Pinhole trajectories for SPECT imaging of the breast, axilla, and upper chest.” Ieee Nuclear Science Symposium Conference Record 4 (January 1, 2006): 2387–89. https://doi.org/10.1109/NSSMIC.2006.354393.
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  - Jaszczak, R. J., K. L. Greer, J. E. Bowsher, S. D. Metzler, R. Ter-Antonyan, and K. V. Bobkov. “Helical-path, half-cone-beam acquisition for SPECT brain imaging.” Ieee Nuclear Science Symposium Conference Record 3 (January 1, 2006): 1837–41. https://doi.org/10.1109/NSSMIC.2006.354251.
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  - Metzler, S. D., R. J. Jaszczak, K. L. Greer, and J. E. Bowsher. “Angular-dependent axial-shift correction for pinhole SPECT.” Ieee Nuclear Science Symposium Conference Record 5 (December 1, 2005): 2644–48. https://doi.org/10.1109/NSSMIC.2005.1596881.
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  - Metzler, S. D., R. J. Jaszczak, N. H. Patil, S. Vemulapalli, G. Akabani, and B. B. Chin. “Molecular imaging of small animals with a triple-head SPECT system using pinhole collimation.” Ieee Trans Med Imaging 24, no. 7 (July 2005): 853–62. https://doi.org/10.1109/tmi.2005.848357.
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  - Wang, G., R. J. Jaszczak, and J. P. Basilion. “Guest editorial: Toward molecular imaging.” Ieee Transactions on Medical Imaging 24, no. 7 (July 1, 2005): 829–30. https://doi.org/10.1109/TMI.2005.848987.
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  - Metzler, S. D., K. L. Greer, and R. J. Jaszczak. “Determination of mechanical and electronic shifts for pinhole SPECT using a single point source.” Ieee Trans Med Imaging 24, no. 3 (March 2005): 361–70. https://doi.org/10.1109/tmi.2004.842456.
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  - Bobkov, K. V., J. E. Bowsher, K. L. Greer, and R. J. Jaszczak. “Statistical analysis of incomplete circular orbits for breast pinhole SPECT imaging.” Ieee Nuclear Science Symposium Conference Record 4 (December 1, 2004): 2347–51.
  - Bowsher, J. E., T. Lee, K. Braun, K. V. Bobkov, and R. J. Jaszczak. “Reduced incomplete-sampling artifacts in pinhole SPECT breast imaging using body-contour and lung-boundary constraints.” Ieee Nuclear Science Symposium Conference Record 5 (December 1, 2004): 3013–17.
  - Patil, N. H., R. J. Jaszczak, S. D. Metzler, J. E. Bowsher, and K. L. Greer. “Comparison of cone beam and parallel beam collimation with the heart on the axis of rotation for human cardiac SPECT imaging.” Ieee Nuclear Science Symposium Conference Record 6 (December 1, 2004): 3789–92.
  - Tenney, C. R., J. E. Bowsher, and R. J. Jaszczak. “A delta-scatter Monte Carlo model of a rotating parallel-hole collimator for¹³¹i brain tumor imaging.” Ieee Nuclear Science Symposium Conference Record 5 (December 1, 2004): 3084–88.
  - Metzler, S. D., K. L. Greer, K. Bobkov, and R. J. Jaszczak. “Laser alignment system for helical pinhole SPECT.” Ieee Transactions on Nuclear Science 51, no. 3 II (June 1, 2004): 603–10. https://doi.org/10.1109/TNS.2004.829749.
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  - Bowsher, J. E., D. M. Delong, T. G. Turkington, and R. J. Jaszczak. “Aligning emission tomography and MRI images by optimizing the emission-tomography image reconstruction objective function.” Ieee Nuclear Science Symposium Conference Record 4 (December 1, 2003): 2562–65.
  - Metzler, S. D., J. E. Bowsher, and R. J. Jaszczak. “Geometrical Similarities of the Orlov and Tuy Sampling Criteria and a Numerical Algorithm for Assessing Sampling Completeness.” Ieee Transactions on Nuclear Science 50, no. 5 II (October 1, 2003): 1550–55. https://doi.org/10.1109/TNS.2003.817385.
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  - Metzler, S. D., K. L. Greer, and R. J. Jaszczak. “Helical Pinhole SPECT for Small-Animal Imaging: A Method for Addressing Sampling Completeness.” Ieee Transactions on Nuclear Science 50, no. 5 II (October 1, 2003): 1575–83. https://doi.org/10.1109/TNS.2003.817948.
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  - Tornai, Martin P., James E. Bowsher, Ronald J. Jaszczak, Brett C. Pieper, Kim L. Greer, Patricia H. Hardenbergh, and R Edward Coleman. “Mammotomography with pinhole incomplete circular orbit SPECT.” J Nucl Med 44, no. 4 (April 2003): 583–93.
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  - Tornai, M. P., J. E. Bowsher, C. N. Archer, J. Peter, R. J. Jaszczak, L. R. MacDonald, B. E. Patt, and J. S. Iwanczyk. “A 3D gantry single photon emission tomograph with hemispherical coverage for dedicated breast imaging.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 497, no. 1 (January 21, 2003): 157–67. https://doi.org/10.1016/S0168-9002(02)01906-X.
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  - Archer, C. N., M. P. Tornai, J. E. Bowsher, S. D. Metzler, B. C. Pieper, and R. J. Jaszczak. “Implementation and initial characterization of acquisition orbits with a dedicated emission mammotomograph.” Ieee Transactions on Nuclear Science 50 III, no. 2 (2003): 413–20.
  - Cao, Z., D. R. Gilland, B. A. Mair, and R. J. Jaszczak. “Three-Dimensional Motion Estimation With Image Reconstruction for Gated Cardiac ECT.” Ieee Transactions on Nuclear Science 50, no. 3 (January 1, 2003): 384–88. https://doi.org/10.1109/TNS.2003.812444.
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  - Chen, M., J. E. Bowsher, A. H. Baydush, and R. J. Jaszczak. “Comparison of Multi-slice CHO-HO Models and Human Observers in Defect Detection with SPECT Myocardial Images.” Ieee Nuclear Science Symposium and Medical Imaging Conference 2 (December 1, 2002): 1272–76.
  - Metzler, S. D., J. E. Bowsher, and R. J. Jaszczak. “Geometrical Similarities of the Orlov and Tuy Sampling Criteria and a Numerical Algorithm for Assessing Sampling Completeness.” Ieee Nuclear Science Symposium and Medical Imaging Conference 2 (December 1, 2002): 1241–45.
  - Tornai, M. P., C. N. Archer, J. E. Bowsher, R. L. McKinley, and R. J. Jaszczak. “Transmission Imaging with a Compact Gamma Camera: Initial Results for Mammotomography.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2002): 1597–1601.
  - Gilland, D. R., B. A. Mair, J. E. Bowsher, and R. J. Jaszczak. “Simultaneous reconstruction and motion estimation for gated cardiac ECT.” Ieee Transactions on Nuclear Science 49 I, no. 5 (October 1, 2002): 2344–49. https://doi.org/10.1109/TNS.2002.803820.
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  - Lind, Pehr A., Lawrence B. Marks, Donna Hollis, Ming Fan, Su-Min Zhou, Michael T. Munley, Timothy D. Shafman, Ronald J. Jaszczak, and R Edward Coleman. “Receiver operating characteristic curves to assess predictors of radiation-induced symptomatic lung injury.” Int J Radiat Oncol Biol Phys 54, no. 2 (October 1, 2002): 340–47. https://doi.org/10.1016/s0360-3016(02)02932-2.
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  - Chen, M., J. Peter, R. J. Jaszczak, D. R. Gilland, J. E. Bowsher, M. P. Tornai, and S. D. Metzler. “Observer studies of cardiac lesion detectability with triple-head 360° vs. dual-head 180° SPECT acquisition using simulated projection data.” Ieee Nuclear Science Symposium and Medical Imaging Conference 4 (August 31, 2002): 2229–33.
  - Metzler, S. D., J. E. Bowsher, K. L. Greer, and R. J. Jaszczak. “Analytic determination of the pinhole collimator's point-spread function and RMS resolution with penetration.” Ieee Trans Med Imaging 21, no. 8 (August 2002): 878–87. https://doi.org/10.1109/tmi.2002.803129.
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  - Chen, M., J. E. Bowsher, A. H. Baydush, K. L. Gilland, D. M. DeLong, and R. J. Jaszczak. “Using the Hotelling observer on multislice and multiview simulated SPECT myocardial images.” Ieee Transactions on Nuclear Science 49 I, no. 3 (June 1, 2002): 661–67. https://doi.org/10.1109/TNS.2002.1039546.
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  - Chen, M., J. Peter, R. J. Jaszczak, D. R. Gilland, J. E. Bowsher, M. P. Tornai, and S. D. Metzler. “Observer studies of cardiac lesion detectability with triple-head 360° versus dual-head 180° SPECT acquisition using simulated projection data.” Ieee Transactions on Nuclear Science 49 I, no. 3 (June 1, 2002): 655–60. https://doi.org/10.1109/TNS.2002.1039545.
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  - Chen, M., R. J. Jaszczak, D. R. Gilland, J. E. Bowsher, and C. Metz. “Receiver operating characteristic evaluation of triple-head 360 degree versus dual-head 180 degree myocardial SPECT acquisition.” Journal of Nuclear Medicine 43, no. 5 (May 1, 2002): 53P-53P.
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  - Pieper, B. C., S. D. Metzler, J. E. Bowsher, and R. J. Jaszczak. “Single and double knife-edge pinhole collimators for SPECT imaging of small volumes.” Journal of Nuclear Medicine 43, no. 5 (May 1, 2002): 223P-224P.
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  - Tornai, M. P., J. E. Bowsher, C. N. Archer, and R. J. Jaszczak. “Feasibility of application specific emission & transmission tomography (ASETT) of the breast.” Journal of Nuclear Medicine 43, no. 5 (May 1, 2002): 12P-12P.
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  - Bowsher, J. E., M. P. Tornai, J. Peter, D. E. González Trotter, A. Krol, D. R. Gilland, and R. J. Jaszczak. “Modeling the axial extension of a transmission line source within iterative reconstruction via multiple transmission sources.” Ieee Trans Med Imaging 21, no. 3 (March 2002): 200–215. https://doi.org/10.1109/42.996339.
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  - Metzler, S. D., J. E. Bowsher, M. P. Tornai, B. C. Pieper, J. Peter, and R. J. Jaszczak. “SPECT breast imaging combining horizontal and vertical axes of rotation.” Ieee Transactions on Nuclear Science 49, no. 1 I (February 1, 2002): 31–36. https://doi.org/10.1109/TNS.2002.998677.
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  - Tenney, C. R., M. F. Smith, K. L. Greer, and R. J. Jaszczak. “Erratum: Uranium pinhole collimators for I-131 SPECT (IEEE Trans. Nucl. Sci. (1999) 46 (1165-1171)).” Ieee Transactions on Nuclear Science 49, no. 1 I (February 1, 2002): 82. https://doi.org/10.1109/TNS.2002.998685.
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  - Chen, M., J. E. Bowsher, A. H. Baydush, K. L. Gilland, D. M. DeLong, and R. J. Jaszczak. “Using the hotelling observer on Multi-Slice and Multi-View simulated SPECT myocardial images.” Ieee Nuclear Science Symposium and Medical Imaging Conference 4 (January 1, 2002): 2258–62. https://doi.org/10.1109/NSSMIC.2001.1009273.
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  - Woel, Roxanne T., Michael T. Munley, Donna Hollis, Ming Fan, Gunilla Bentel, Mitchell S. Anscher, Timothy Shafman, R Edward Coleman, Ronald J. Jaszczak, and Lawrence B. Marks. “The time course of radiation therapy-induced reductions in regional perfusion: a prospective study with >5 years of follow-up.” Int J Radiat Oncol Biol Phys 52, no. 1 (January 1, 2002): 58–67. https://doi.org/10.1016/s0360-3016(01)01809-0.
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  - Archer, C. N., M. P. Tornai, J. E. Bowsher, S. D. Metzler, B. C. Pieper, R. J. Jaszczak, L. R. MacDonald, B. E. Patt, and J. S. Iwanczyk. “Implementation and initial characterization of acquisition orbits about a pendulous breast using the ASET system.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2001): 1323–27.
  - Bowsher, J. E., M. P. Tornai, S. D. Metzler, J. Peter, and R. J. Jaszczak. “SPECT breast imaging using more nearly complete orbits and combined pinhole-parallel-beam collimation.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2001): 1328–30.
  - Metzler, S. D., J. E. Bowsher, K. L. Greer, and R. J. Jaszczak. “Analytic determination of the pinhole collimator's point-spread function and RMS resolution with penetration.” Ieee Nuclear Science Symposium and Medical Imaging Conference 2 (December 1, 2001): 1175–79.
  - Tornai, M. P., J. E. Bowsher, C. N. Archer, J. Peter, L. R. MacDonald, B. E. Patt, J. S. Iwanczyk, R. J. Jaszczak, and R. E. Coleman. “A novel application specific emission tomograph (ASET) for breast imaging.” Ieee Nuclear Science Symposium and Medical Imaging Conference 2 (December 1, 2001): 1161–65.
  - Fan, M., L. B. Marks, P. Lind, D. Hollis, R. T. Woel, G. G. Bentel, M. S. Anscher, et al. “Relating radiation-induced regional lung injury to changes in pulmonary function tests.” Int J Radiat Oncol Biol Phys 51, no. 2 (October 1, 2001): 311–17. https://doi.org/10.1016/s0360-3016(01)01619-4.
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  - Chen, M., R. J. Jaszczak, J. E. Bowsher, and D. R. Gilland. “An evaluation of cardiac uniformity, contrast, and SNR with dual-head 180° and triple-head 360° SPECT scans.” Ieee Transactions on Nuclear Science 48, no. 4 II (August 1, 2001): 1428–34. https://doi.org/10.1109/23.958373.
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  - La Rivière, P. J., X. Pan, D. Gilland, C. M. Kao, W. Chang, and R. Jaszczak. “Transmission image reconstruction and redundant information in SPECT with asymmetric fanbeam collimation.” Ieee Transactions on Nuclear Science 48, no. 4 II (August 1, 2001): 1357–63. https://doi.org/10.1109/23.958354.
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  - Metzler, S. D., J. E. Bowsher, M. F. Smith, and R. J. Jaszczak. “Analytic determination of pinhole collimator sensitivity with penetration.” Ieee Trans Med Imaging 20, no. 8 (August 2001): 730–41. https://doi.org/10.1109/42.938241.
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  - Pieper, B. C., J. E. Bowsher, M. P. Tornai, J. Peter, K. Greer, and R. J. Jaszczak. “Breast tumor imaging using a tiltable head SPECT camera.” Ieee Transactions on Nuclear Science 48, no. 4 II (August 1, 2001): 1477–82. https://doi.org/10.1109/23.958383.
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  - Tenney, C. R., M. P. Tornai, M. F. Smith, T. G. Turkington, and R. J. Jaszczak. “Uranium pinhole collimators for 511-keV photon SPECT imaging of small volumes.” Ieee Transactions on Nuclear Science 48, no. 4 II (August 1, 2001): 1483–89. https://doi.org/10.1109/23.958384.
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  - Kirven, D., R. J. Jaszczak, B. M. Tsui, and T. W. Perry. “Dynamic Cardiac Beating Heart Phantom.” Journal of Nuclear Medicine 42, no. 5 (May 1, 2001): 165P-165P.
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  - Metzler, S. D., J. E. Bowsher, M. F. Smith, and R. J. Jaszczak. “Analytic determination of pinhole collimator sensitivity with penetration.” Journal of Nuclear Medicine 42, no. 5 (May 1, 2001): 140P-140P.
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  - Peter, J., and R. J. Jaszczak. “Modeling respiratory motion in the superquadric-based cardiac-thorax phantom.” Journal of Nuclear Medicine 42, no. 5 (May 1, 2001): 141P-141P.
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  - Tornai, M. P., J. E. Bowsher, C. N. Archer, J. Peter, L. R. MacDonald, B. E. Patt, J. S. Iwanczyk, R. J. Jaszczak, and R. E. Coleman. “Dedicated breast imaging with an ASET: Application specific emission tomograph.” Journal of Nuclear Medicine 42, no. 5 (May 1, 2001): 97P-97P.
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  - Tornai, M. P., J. E. Bowsher, R. J. Jaszczak, K. L. Greer, P. H. Hardenbergh, and R. E. Coleman. “Dedicated PICO-SPECT: An approach to clinical breast imaging.” Journal of Nuclear Medicine 42, no. 5 (May 1, 2001): 207P-208P.
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  - González Trotter, D. E., J. E. Bowsher, and R. J. Jaszczak. “Absolute quantitation of a spherical I-131 activity distribution using a high-resolution rotating collimator: A phantom study.” Ieee Transactions on Nuclear Science 48, no. 1 I (February 1, 2001): 65–73. https://doi.org/10.1109/23.910834.
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  - Fan, M., L. B. Marks, D. Hollis, G. G. Bentel, M. S. Anscher, G. Sibley, R. E. Coleman, R. J. Jaszczak, and M. T. Munley. “Can we predict radiation-induced changes in pulmonary function based on the sum of predicted regional dysfunction?” J Clin Oncol 19, no. 2 (January 15, 2001): 543–50. https://doi.org/10.1200/JCO.2001.19.2.543.
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  - Gonzaݩlez Trotter, D. E., R. J. Jaszczak, J. E. Bowsher, G. Akabani, and K. L. Greer. “High-resolution absolute SPECT quantitation for I-131 distributions used in the treatment of lymphoma: A phantom study.” Ieee Transactions on Nuclear Science 48, no. 3 (January 1, 2001): 707–14. https://doi.org/10.1109/23.940151.
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  - Pieper, B. C., J. E. Bowsher, M. P. Tornai, C. N. Archer, and R. J. Jaszczak. “Parallel-beam tilted-head analytic SPECT reconstruction.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (2001): 1313–17.
  - Chen, M., R. J. Jaszczak, J. E. Bowsher, and D. R. Gilland. “An evaluation of cardiac uniformity, contrast and SNR with dual-head 180 degree and triple-head 360 degree SPECT scans.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2000).
  - Gilland, D. R., R. J. Jaszczak, and R. Edward. “Transmission CT reconstruction for offset fan beam collimation 1.” Ieee Transactions on Nuclear Science 47, no. 4 PART 2 (December 1, 2000): 1602–6. https://doi.org/10.1109/23.873022.
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  - Gonzalez Trotter, D. E., J. E. Bowsher, and R. J. Jaszczak. “Improved I-131 SPECT resolution through modeling individual medium-energy collimator holes.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2000).
  - Gonzalez, D. E., R. J. Jaszczak, J. E. Bowsher, G. Akabani, and K. L. Greer. “High-resolution absolute SPECT quantitation for I-131 distributions used in the treatment of lymphoma: A phantom study.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2000).
  - Metzler, S. D., J. E. Bowsher, M. P. Tornai, B. C. Pieper, J. Peter, and R. J. Jaszczak. “SPECT breast imaging combining horizontal and vertical axes of rotation.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2000).
  - Pieper, B. C., J. E. Bowsher, M. P. Tornai, J. Peter, K. Greer, and R. J. Jaszczak. “Breast tumor imaging using a tiltable head SPECT camera.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2000).
  - Tornai, M. P., J. E. Bowsher, B. C. Pieper, and R. J. Jaszczak. “Effects of pinhole material and aperture size on lesion contrast and SNR in breast SPECT.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2000).
  - Tornai’, M. P., R. J. Jaszczak, D. R. Gilland, R. Edward Coleman, Y. Ooie, M. Taguchi, and G. Enos. “Investigation of large fffild-of-vlew transmission imaging for spect attenuation compensation with GO-153, TC-99m and CE-139 sources.” Ieee Transactions on Nuclear Science 47, no. 3 PART 3 (December 1, 2000): 1182–91.
  - Turkington, T. G., W. H. Sampson, J. S. Ha, P. D. Kirven, and R. J. Jaszczak. “A whole body phantom for 3D PET.” Ieee Nuclear Science Symposium and Medical Imaging Conference 3 (December 1, 2000).
  - Tornai, M. P., R. J. Jaszczak, D. R. Gilland, R. E. Coleman, Y. Ooie, M. Taguchi, and G. Enos. “Investigation of large field-of-view transmission imaging for SPECT attenuation compensation with Gd-153, Tc-99m and Ce-139 sources.” Ieee Transactions on Nuclear Science 47, no. 3 (June 2000): 1182–91. https://doi.org/10.1109/23.856567.
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  - Peter, J., M. P. Tornai, and R. J. Jaszczek. “Analytical versus voxelized phantom representation for Monte Carlo simulation in radiological imaging.” Ieee Trans Med Imaging 19, no. 5 (May 2000): 556–64. https://doi.org/10.1109/42.870266.
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  - Marks, L. B., M. Fan, R. Clough, M. Munley, G. Bentel, R. E. Coleman, R. Jaszczak, D. Hollis, and M. Anscher. “Radiation-induced pulmonary injury: symptomatic versus subclinical endpoints.” Int J Radiat Biol 76, no. 4 (April 2000): 469–75. https://doi.org/10.1080/095530000138466.
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  - LaCroix, K. J., B. M. Tsui, E. C. Frey, and R. J. Jaszczak. “Receiver operating characteristic evaluation of iterative reconstruction with attenuation correction in 99mTc-sestamibi myocardial SPECT images.” J Nucl Med 41, no. 3 (March 2000): 502–13.
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  - Peter, J., D. R. Gillandi, R. J. Jaszczak, and R. E. Coleman. “Four-dimensional superquadric-based cardiac phantom for monte carlo simulation of radiological imaging systems.” Ieee Transactions on Nuclear Science 46, no. 6 PART 3 (December 1, 1999): 2211–17.
  - Garipagaoglu, M., M. T. Munley, D. Hollis, J. M. Poulson, G. C. Bentel, G. Sibley, M. S. Anscher, et al. “The effect of patient-specific factors on radiation-induced regional lung injury.” Int J Radiat Oncol Biol Phys 45, no. 2 (September 1, 1999): 331–38. https://doi.org/10.1016/s0360-3016(99)00201-1.
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  - Scarfone, C., R. J. Jaszczak, D. R. Gilland, K. L. Greer, M. T. Munley, L. B. Marks, and R. E. Coleman. “Quantitative pulmonary single photon emission computed tomography for radiotherapy applications.” Med Phys 26, no. 8 (August 1999): 1579–88. https://doi.org/10.1118/1.598653.
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  - Tornai, M. P., R. J. Jaszczak, T. G. Turkington, and R. E. Coleman. “Small-animal PET: advent of a new era of PET research.” J Nucl Med 40, no. 7 (July 1999): 1176–79.
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  - Peter, J., D. R. Gilland, J. E. Bowsher, M. P. Tornai, and R. J. Jaszczak. “Effect and correction of detector sag in SPECT systems.” Journal of Nuclear Medicine 40, no. 5 (May 1, 1999): 285P-285P.
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  - Tenney, C. R., M. F. Smith, M. P. Tornai, and R. J. Jaszczak. “Ultra-high resolution SPECT images with uranium pinhole collimators.” Journal of Nuclear Medicine 40, no. 5 (May 1, 1999): 34P-34P.
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  - Trotter, D. E. G., J. E. Bowsher, C. D. Stone, and R. J. Jaszczak. “High-resolution in vivo SPECT imaging of I-131 biodistributions using a rotating parallel-hole collimator.” Journal of Nuclear Medicine 40, no. 5 (May 1, 1999): 34P-35P.
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  - Munley, M. T., L. B. Marks, C. Scarfone, G. S. Sibley, E. F. Patz, T. G. Turkington, R. J. Jaszczak, D. R. Gilland, M. S. Anscher, and R. E. Coleman. “Multimodality nuclear medicine imaging in three-dimensional radiation treatment planning for lung cancer: challenges and prospects.” Lung Cancer 23, no. 2 (February 1999): 105–14. https://doi.org/10.1016/s0169-5002(99)00005-7.
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  - Peter, J., D. R. Gilland, R. J. Jaszczak, and R. E. Coleman. “Four-dimensional superquadric-based cardiac phantom for Monte Carlo simulation of radiological imaging systems.” Ieee Transactions on Nuclear Science 46, no. 6 (1999): 2211–17. https://doi.org/10.1109/23.819306.
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  - Peter, J., D. R. Gilland, R. J. Jaszczak, and R. E. Coleman. “Four-dimensional superquadric-based cardiac-thorax phantom for Monte Carlo simulation of radiological imaging systems.” Ieee Nuclear Science Symposium and Medical Imaging Conference 2 (January 1, 1999): 1214–18.
  - Stone, C. D., R. J. Jaszczak, M. F. Smith, K. L. Greer, and J. E. Bowsher. “Investigation of the resolution characteristics of a rotating parallel hole collimator for use in a medium energy SPECT system.” Ieee Nuclear Science Symposium and Medical Imaging Conference 2 (January 1, 1999): 1305–11.
  - Tenney, C. R., M. F. Smith, K. L. Greer, and R. J. Jaszczak. “Uranium pinhole collimators for I-131 SPECT imaging.” Ieee Transactions on Nuclear Science 46, no. 4 (1999): 1165–71. https://doi.org/10.1109/23.790851.
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  - Tenney, C. R., M. F. Smith, K. L. Greer, and R. J. Jaszczak. “Uranium pinhole collimators for I-131 SPECT brain tumor imaging.” Ieee Nuclear Science Symposium and Medical Imaging Conference 2 (January 1, 1999): 1312–17.
  - Jangl, S., R. J. Jaszczak, M. W. Benjamin, C. E. Metz, D. R. Gilland, T. G. Turkington, and R. Edward Coleman. “ROC evaluation of SPECT myocardial lesion detectability with and without single itération non-uniform chang atténuation compensation using an anthropomorphic female phantom.” Ieee Transactions on Nuclear Science 45, no. 4 PART 2 (December 1, 1998): 2080–88.
  - Smith, M. F., and R. J. Jaszczak. “A rotating parallel hole collimator for high resolution imaging of medium energy radionuclides.” Ieee Transactions on Nuclear Science 45, no. 4 PART 2 (December 1, 1998): 2102–12.
  - Wang, H., M. F. Smith, C. D. Stone, and R. J. Jaszczak. “Astigmatic single photon emission computed tomography imaging with a displaced center of rotation.” Med Phys 25, no. 8 (August 1998): 1493–1501. https://doi.org/10.1118/1.598325.
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  - Levinson, B., L. B. Marks, M. T. Munley, J. Poulson, D. Hollis, R. Jaszczak, and R. E. Coleman. “Regional dose response to pulmonary irradiation using a manual method.” Radiother Oncol 48, no. 1 (July 1998): 53–60. https://doi.org/10.1016/s0167-8140(98)00057-7.
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  - Gilland, D. R., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “Transmission imaging for nonuniform attenuation correction using a three-headed SPECT camera.” J Nucl Med 39, no. 6 (June 1998): 1105–10.
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  - Gilland, D. R., R. J. Jaszczak, T. G. Turkington, and R. E. Coleman. “Comparison of transmission acquisition approaches for SPECT nonuniform attenuation compensation.” Ieee Transactions on Nuclear Science 45, no. 3 (June 1998): 1244–49. https://doi.org/10.1109/23.682010.
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  - Stone, C. D., M. F. Smith, K. L. Greer, and R. J. Jaszczak. “A combined half-cone beam and parallel hole collimation system for SPECT brain imaging.” Ieee Transactions on Nuclear Science 45, no. 3 (June 1, 1998): 1219–24. https://doi.org/10.1109/23.682006.
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  - Bowsher, J. E., M. F. Smith, J. Peter, and R. J. Jaszczak. “A comparison of OSEM and ICD for iterative reconstruction of SPECT brain images.” Journal of Nuclear Medicine 39, no. 5 (May 1, 1998): 79P-79P.
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  - Peter, J., R. J. Jaszczak, and R. E. Coleman. “Composite quadric-based object model for SPECT Monte Carlo simulation.” Journal of Nuclear Medicine 39, no. 5 (May 1, 1998): 121P-121P.
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  - Smith, M. F., D. R. Gilland, R. E. Coleman, and R. J. Jaszczak. “Quantitative imaging of iodine-131 distributions in brain tumors with pinhole SPECT: a phantom study.” J Nucl Med 39, no. 5 (May 1998): 856–64.
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  - Tornai, M. P., C. McCulloch, R. J. Jaszczak, K. L. Greer, V. E. Johnson, and R. E. Coleman. “Minimizing cardiac motion blurring and improving image signal-to-background using gated SPECT and statistically based 3D morphological deformations.” Journal of Nuclear Medicine 39, no. 5 (May 1, 1998): 121P-121P.
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  - Waterhouse, R. N., M. F. Smith, K. L. Greer, T. L. Collier, S. Eberl, J. Towson, A. Birrell, et al. “Pre-clinical SPECT studies to evaluate [I-123]HEPIE as a lung cancer imaging agent.” Journal of Nuclear Medicine 39, no. 5 (May 1, 1998): 227P-227P.
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  - Smith, M. F., and R. J. Jaszczak. “An analytic model of pinhole aperture penetration for 3D pinhole SPECT image reconstruction.” Phys Med Biol 43, no. 4 (April 1998): 761–75. https://doi.org/10.1088/0031-9155/43/4/006.
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  - Stone, C. D., J. W. McCormick, D. R. Gilland, K. L. Greer, R. E. Coleman, and R. J. Jaszczak. “Effect of registration errors between transmission and emission scans on a SPECT system using sequential scanning.” J Nucl Med 39, no. 2 (February 1998): 365–73.
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  - Scarfone, C., R. J. Jaszczak, D. R. Gilland, K. L. Greer, M. T. Munley, L. B. Marks, and R. E. Coleman. “Bayesian SPECT lung imaging for visualization and quantification of pulmonary perfusion.” Ieee Transactions on Nuclear Science 45, no. 6 (1998): 3045–52. https://doi.org/10.1109/23.737662.
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  - Smith, M. F., and R. J. Jaszczak. “A rotating parallel hole collimator for high resolution imaging of medium energy radionuclides.” Ieee Transactions on Nuclear Science 45, no. 4 (1998): 2102–12. https://doi.org/10.1109/23.708311.
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  - Stone, C. D., M. F. Smith, K. L. Greer, and R. J. Jaszczak. “A combined half-cone beam and parallel hole collimation system for spect brain imaging.” Ieee Transactions on Nuclear Science 45, no. 3 PART 2 (January 1, 1998): 1219–24. https://doi.org/10.1109/23.682006.
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  - Sunyoung Jang, E. J., R. J. Jaszczak, B. M. W. Tsui, C. E. Metz, D. R. Gilland, T. G. Turkington, and R. E. Coleman. “ROC evaluation of SPECT myocardial lesion detectability with and without single iteration non-uniform Chang attenuation compensation using an anthropomorphic female phantom.” Ieee Transactions on Nuclear Science 45, no. 4 (1998): 2080–88. https://doi.org/10.1109/23.708303.
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  - Gilland, D. R., H. Wang, R. Edward Coleman, and R. J. Jaszczak. “Long focal length, asymmetric fan beam collimation for transmission acquisition with a triple camera SPECT system.” Ieee Transactions on Nuclear Science 44, no. 3 PART 2 (December 1, 1997): 1191–96. https://doi.org/10.1109/23.596986.
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  - Gilland, D. R., R. J. Jaszczak, T. G. Turkington, and R. E. Coleman. “Comparison of transmission acquisition approaches for SPECT nonuniform attenuation compensation.” Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference 2 (December 1, 1997): 1556–60.
  - Jang, S., R. J. Jaszczak, B. M. W. Tsui, C. E. Metz, D. R. Gilland, T. G. Turkington, and R. E. Coleman. “ROC evaluation of SPECT myocardial lesion detectability with and without non-uniform attenuation compensation using an anthropomorphic female phantom.” Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference 2 (December 1, 1997): 998–1002.
  - Peter, J., R. Freyer, M. F. Smith, C. Scarfone, R. E. Coleman, and R. J. Jaszczak. “Nuclear medicine image segmentation using a connective network.” Ieee Transactions on Nuclear Science 44, no. 4 PART 1 (December 1, 1997): 1583–90. https://doi.org/10.1109/23.632736.
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  - Smith, M. F., R. J. Jaszczak, H. Wang, and J. Li. “Lead and tungsten pinhole inserts for 1-131 SPECT tumor imaging: experimental measurements and photon transport simulations.” Ieee Transactions on Nuclear Science 44, no. 1 (December 1, 1997): 74–82. https://doi.org/10.1109/23.554828.
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  - Smith, M. F., R. J. Jaszczak, and H. Wang. “Pinhole aperture design for¹³¹i tumor imaging.” Ieee Transactions on Nuclear Science 44, no. 3 PART 2 (December 1, 1997): 1154–60. https://doi.org/10.1109/23.596980.
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  - Wang, H., C. Scarfone, K. L. Greer, R. Edward Coleman, and R. J. Jaszczak. “Prone breast tumor imaging using vertical axis-of-rotation (VAOR) SPECT systems: An initial study.” Ieee Transactions on Nuclear Science 44, no. 3 PART 2 (December 1, 1997): 1271–76. https://doi.org/10.1109/23.597000.
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  - Scarfone, C., R. J. Jaszczak, J. Li, M. S. Soo, M. F. Smith, K. L. Greer, and R. E. Coleman. “Breast tumour imaging using incomplete circular orbit pinhole SPET: a phantom study.” Nucl Med Commun 18, no. 11 (November 1997): 1077–86. https://doi.org/10.1097/00006231-199711000-00012.
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  - Smith, M. F., and R. J. Jaszczak. “The effect of gamma ray penetration on angle-dependent sensitivity for pinhole collimation in nuclear medicine.” Med Phys 24, no. 11 (November 1997): 1701–9. https://doi.org/10.1118/1.597957.
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  - Higdon, D. M., J. E. Bowsher, V. E. Johnson, T. G. Turkington, D. R. Gilland, and R. J. Jaszczak. “Fully Bayesian estimation of Gibbs hyperparameters for emission computed tomography data.” Ieee Trans Med Imaging 16, no. 5 (October 1997): 516–26. https://doi.org/10.1109/42.640741.
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  - Gilland, D. R., R. J. Jaszczak, T. A. Riauka, and R. E. Coleman. “Approximate 3D iterative reconstruction for SPECT.” Med Phys 24, no. 9 (September 1997): 1421–29. https://doi.org/10.1118/1.598030.
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  - Bowsher, J. E., V. E. Johnson, D. M. Higdon, R. J. Jaszczak, and R. E. Coleman. “Estimating joint posterior distributions for the volumes and activities of small structures in emission tomography.” Journal of Nuclear Medicine 38, no. 5 (May 1, 1997): 934–934.
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  - Gilland, D. R., R. J. Jaszczak, H. Wang, and R. E. Coleman. “Transmission data acquisition with a large field-of-view, dual-headed SPECT system.” Journal of Nuclear Medicine 38, no. 5 (May 1, 1997): 935–935.
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  - Gilland, D. R., R. J. Jaszczak, and R. E. Coleman. “Transmission data acquisition apparatus for a three-headed SPECT system.” Journal of Nuclear Medicine 38, no. 5 (May 1, 1997): 933–933.
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  - Jang, S., R. J. Jaszczak, H. Wang, and R. E. Coleman. “Anatomical variations affecting cardiac imaging in female patients: A phantom study.” Journal of Nuclear Medicine 38, no. 5 (May 1, 1997): 64–64.
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  - Marks, L. B., M. T. Munley, D. P. Spencer, G. W. Sherouse, G. C. Bentel, J. Hoppenworth, M. Chew, R. J. Jaszczak, R. E. Coleman, and L. R. Prosnitz. “Quantification of radiation-induced regional lung injury with perfusion imaging.” Int J Radiat Oncol Biol Phys 38, no. 2 (May 1, 1997): 399–409. https://doi.org/10.1016/s0360-3016(97)00013-8.
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  - Smith, M. F., R. J. Jaszczak, and R. E. Coleman. “Use of an analytic model of pinhole aperture penetration for resolution recovery in I-131 pinhole SPECT.” Journal of Nuclear Medicine 38, no. 5 (May 1, 1997): 210–210.
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  - Wang, H., C. Scarfone, K. L. Greer, R. E. Coleman, and R. J. Jaszczak. “Breast cancer detection using vertical axis-of-rotation (VAOR) SPECT with half-cone beam collimation.” Journal of Nuclear Medicine 38, no. 5 (May 1, 1997): 936–936.
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  - Gilland, D. R., E. Lee Johnson, T. G. Turkington, R. Edward Coleman, and R. J. Jaszczak. “Evaluation of a pinhole collimator for 1-131 spect head imaging.” Ieee Transactions on Nuclear Science 43, no. 4 PART 1 (December 1, 1996): 2230–36. https://doi.org/10.1109/23.531887.
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  - Jaszczak, R. J., D. R. Gilland, J. W. McCormick, C. Scarfone, and R. Edward Coleman. “The effect of truncation reduction in fan beam transmission for attenuation correction of cardiac spect.” Ieee Transactions on Nuclear Science 43, no. 4 PART 1 (December 1, 1996): 2255–62. https://doi.org/10.1109/23.531890.
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  - Wang, H., R. J. Jaszczak, and R. Edward Coleman. “Monte carlo modeling of penetration effect for iodine-131 pinhole imaging.” Ieee Transactions on Nuclear Science 43, no. 6 PART 2 (December 1, 1996): 3272–77.
  - Johnson, E. L., H. Wang, J. W. McCormick, K. L. Greer, R. E. Coleman, and R. J. Jaszczak. “Pixel driven implementation of filtered backprojection for reconstruction of fan beam SPECT data using a position dependent effective projection bin length.” Phys Med Biol 41, no. 8 (August 1996): 1439–52. https://doi.org/10.1088/0031-9155/41/8/012.
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  - Gilland, D. R., R. J. Jaszczak, M. W. Hanson, K. L. Greer, and R. E. Coleman. “An experimental phantom based on quantitative SPECT analysis of patient MIBI biodistribution.” Journal of Nuclear Medicine 37, no. 5 (May 1, 1996): 676–676.
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  - Jang, S., R. J. Jaszczak, H. Wang, D. R. Gilland, C. Scarfone, and R. E. Coleman. “Effect of breast size and shape on defect contrast in myocardial perfusion SPECT imaging.” Journal of Nuclear Medicine 37, no. 5 (May 1, 1996): 980–980.
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  - Li, J., C. Scarfone, R. J. Jaszczak, H. Wang, and R. E. Coleman. “Limited-angular-view ML-EM pinhole SPECT for breast tumor detection.” Journal of Nuclear Medicine 37, no. 5 (May 1, 1996): 971–971.
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  - Smith, M. F., D. R. Gilland, and R. J. Jaszczak. “Imaging I-131 distributions in brain tumor phantoms with pinhole SPECT.” Journal of Nuclear Medicine 37, no. 5 (May 1, 1996): 965–965.
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  - Wang, H., R. J. Jaszczak, and R. E. Coleman. “Feasibility of pinhole fluorine-18 SPECT of the brain: A Monte Carlo study.” Journal of Nuclear Medicine 37, no. 5 (May 1, 1996): 469–469.
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  - Li, J., R. J. Jaszczak, A. Van Mullekom, C. Scarfone, K. L. Greer, and R. E. Coleman. “Half-cone beam collimation for triple-camera SPECT systems.” J Nucl Med 37, no. 3 (March 1996): 498–502.
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  - Bowsher, J. E., V. E. Johnson, T. G. Turkington, R. J. Jaszczak, C. R. Floyd, and R. E. Coleman. “Bayesian reconstruction and use of anatomical a priori information for emission tomography.” Ieee Trans Med Imaging 15, no. 5 (1996): 673–86. https://doi.org/10.1109/42.538945.
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  - Huili Wang, L. R., R. J. Jaszczak, and R. E. Coleman. “Monte Carlo modeling of penetration effect for iodine-131 pinhole imaging.” Ieee Transactions on Nuclear Science 43, no. 6 (1996): 3272–77. https://doi.org/10.1109/23.552734.
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  - Jaszczak, R. J. “Spect nonuniform attenuation compensation using transmission CT attenuation maps.” Progress in Biophysics & Molecular Biology 65 (January 1, 1996): SH503–SH503.
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  - Gilland, D. R., E. L. Johnson, T. G. Turkington, R. E. Coleman, and R. J. Jaszczak. “SPECT imaging of iodine-131 distribution in the head.” Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference 2 (December 1, 1995): 1092–96.
  - Li, J., R. J. Jaszczak, and R. E. Coleman. “A filtered backprojection algorithm for axial head motion correction in fan-beam SPECT.” Phys Med Biol 40, no. 12 (December 1995): 2053–63. https://doi.org/10.1088/0031-9155/40/12/004.
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  - Marks, L. B., D. P. Spencer, G. W. Sherouse, G. Bentel, R. Clough, K. Vann, R. Jaszczak, R. E. Coleman, and L. R. Prosnitz. “The role of three dimensional functional lung imaging in radiation treatment planning: the functional dose-volume histogram.” Int J Radiat Oncol Biol Phys 33, no. 1 (August 30, 1995): 65–75. https://doi.org/10.1016/0360-3016(95)00091-C.
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  - Kadrmas, D. J., R. J. Jaszczak, J. W. McCormick, R. E. Coleman, and C. B. Lim. “Truncation artifact reduction in transmission CT for improved SPECT attenuation compensation.” Phys Med Biol 40, no. 6 (June 1995): 1085–1104. https://doi.org/10.1088/0031-9155/40/6/009.
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  - Li, J., R. J. Jaszczak, H. Wang, and R. E. Coleman. “A filtered-backprojection algorithm for fan-beam SPECT which corrects for patient motion.” Phys Med Biol 40, no. 2 (February 1995): 283–94. https://doi.org/10.1088/0031-9155/40/2/006.
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  - Li, J., R. J. Jaszczak, K. L. Greer, D. R. Gilland, D. M. DeLong, and R. E. Coleman. “Evaluation of SPECT quantification of radiopharmaceutical distribution in canine myocardium.” J Nucl Med 36, no. 2 (February 1995): 278–86.
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  - Gilland, D. R., R. J. Jaszczak, J. E. Bowsher, K. L. Greer, and R. E. Coleman. “Measured Accuracy and Precision in Quantitative SPECT Imaging with Iodine-123.” Ieee Transactions on Nuclear Science 42, no. 4 (January 1, 1995): 1120–25. https://doi.org/10.1109/23.467738.
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  - Gilland, D. R., R. J. Jaszczak, J. E. Bowsher, K. L. Greer, and R. E. Coleman. “Measured accuracy and precision in quantitative SPECT imaging with iodine-123.” Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference 3 (January 1, 1995): 1182–86.
  - Johnson, E. L., R. J. Jaszczak, H. Wang, J. Li, K. L. Greer, and R. E. Coleman. “Pinhole SPECT for Imaging In-111 in the Head.” Ieee Transactions on Nuclear Science 42, no. 4 (January 1, 1995): 1126–32. https://doi.org/10.1109/23.467737.
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  - Johnson, E. L., T. G. Turkington, R. J. Jaszczak, D. R. Gilland, G. Vaidyanathan, K. L. Greer, R. E. Coleman, and M. R. Zalutsky. “Quantitation of 211At in small volumes for evaluation of targeted radiotherapy in animal models.” Nucl Med Biol 22, no. 1 (January 1995): 45–54. https://doi.org/10.1016/0969-8051(94)00077-w.
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  - Li, J., R. J. Jaszczak, and R. E. Coleman. “Maximum likelihood reconstruction for pinhole SPECT with a displaced center-of-rotation.” Ieee Trans Med Imaging 14, no. 2 (1995): 407–9. https://doi.org/10.1109/42.387721.
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  - Li, J., R. J. Jaszczak, and R. E. Coleman. “Quantitative Small Field-of-View Pinhole SPECT Imaging: Initial Evaluation.” Ieee Transactions on Nuclear Science 42, no. 4 (January 1, 1995): 1109–13. https://doi.org/10.1109/23.467740.
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  - Luo, J. Q., K. F. Koral, M. Ljungberg, C. E. Floyd, and R. J. Jaszczak. “A Monte Carlo investigation of dual-energy-window scatter correction for volume-of-interest quantification in 99Tcm SPECT.” Phys Med Biol 40, no. 1 (January 1995): 181–99. https://doi.org/10.1088/0031-9155/40/1/015.
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  - Smith, M. F., D. R. Gilland, R. J. Jaszczak, and R. E. Coleman. “Estimation of Tumor Activities from Simulated I-123 SPECT Studies.” Ieee Transactions on Nuclear Science 42, no. 4 (January 1, 1995): 1282–89. https://doi.org/10.1109/23.467868.
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  - Turkington, T. G., J. M. Hoffman, R. J. Jaszczak, J. R. MacFall, C. C. Harris, C. D. Kilts, C. A. Pelizzari, and R. E. Coleman. “Accuracy of surface fit registration for PET and MR brain images using full and incomplete brain surfaces.” J Comput Assist Tomogr 19, no. 1 (January 1995): 117–24. https://doi.org/10.1097/00004728-199501000-00022.
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  - Wang, H., R. J. Jaszczak, J. W. McCormick, K. L. Greer, and R. E. Coleman. “Experimental Evaluation of a Tellurium-123m Transmission Source to Determine Attenuation Maps for SPECT1.” Ieee Transactions on Nuclear Science 42, no. 4 (January 1, 1995): 1214–19. https://doi.org/10.1109/23.467876.
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  - Gilland, D. R., R. J. Jaszczak, T. G. Turkington, K. L. Greer, and R. E. Coleman. “Volume and activity quantitation with iodine-123 SPECT.” J Nucl Med 35, no. 10 (October 1994): 1707–13.
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  - BOWSHER, J. E., V. E. JOHNSON, D. R. GILLAND, M. F. SMITH, C. E. FLOYD, R. J. JASZCZAK, and R. E. COLEMAN. “INCOMPLETE-DATA TREATMENT OF COMPTON SCATTER IN SPECT.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P17–P17.
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  - GILLAND, D. R., R. J. JASZCZAK, K. L. GREER, and R. E. COLEMAN. “MEASURED DEFECT CONTRAST WITH SIMULTANEOUS TL-201/TC-99M DUAL-ISOTOPE CARDIAC SPECT.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P196–P196.
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  - JANG, S., T. TURKINGTON, R. J. JASZCZAK, J. LI, K. L. GREER, M. R. ZALUTSKY, and R. E. COLEMAN. “QUANTITATIVE MEASUREMENTS FOR SMALL ORGANS OF MONKEY.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P179–P179.
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  - JOHNSON, E. L., T. G. TURKINGTON, R. J. JASZCZAK, M. R. ZALUTSKY, D. R. GILLAND, G. VAIDYANATHAN, K. L. GREER, and R. E. COLEMAN. “QUANTITATIVE IMAGING OF AT-211 RADIOTHERAPEUTIC AGENTS IN SMALL VOLUMES.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P180–P180.
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  - KADRMAS, D. J., J. W. MCCORMICK, R. J. JASZCZAK, and R. E. COLEMAN. “EXTRAPOLATION OF TRUNCATED PROJECTIONS IN FB-TCT - A QUANTITATIVE APPROACH.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P33–P33.
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  - LI, J., R. J. JASZCZAK, H. WANG, and R. E. COLEMAN. “ML-EM VS FBP IN CONVERGING BEAM SPECT - COMPARISON OF AXIAL BLURRING ARTIFACTS REDUCTION USING NONZERO ACTIVITY DISK PHANTOMS.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P190–P190.
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  - LI, J., R. J. JASZCZAK, H. WANG, and R. E. COLEMAN. “MULTIPINHOLE COLLIMATION FOR SUPERHIGH RESOLUTION, SMALL FIELD-OF-VIEW SPECT.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P27–P27.
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  - SMITH, M. F., and R. J. JASZCZAK. “3-DIMENSIONAL PHOTON SCATTER IN NONUNIFORM MEDIA FOR A SIMULATED TC-99M SPECT MYOCARDIAL PERFUSION STUDY.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P17–P17.
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  - WANG, H., R. J. JASZCZAK, and R. E. COLEMAN. “TE-123M FOR DETERMINATION OF ATTENUATION MAP WITH THE EXISTENCE OF TC-99M IN PATIENTS.” Journal of Nuclear Medicine 35, no. 5 (May 1, 1994): P195–P195.
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  - Gilland, D. R., R. J. Jaszczak, H. Wang, T. G. Turkington, K. L. Greer, and R. E. Coleman. “A 3D model of non-uniform attenuation and detector response for efficient iterative reconstruction in SPECT.” Phys Med Biol 39, no. 3 (March 1994): 547–61. https://doi.org/10.1088/0031-9155/39/3/017.
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  - Jaszczak, R. J., J. Li, H. Wang, M. R. Zalutsky, and R. E. Coleman. “Pinhole collimation for ultra-high-resolution, small-field-of-view SPECT.” Phys Med Biol 39, no. 3 (March 1994): 425–37. https://doi.org/10.1088/0031-9155/39/3/010.
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  - Li, J., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “Implementation of an accelerated iterative algorithm for cone-beam SPECT.” Phys Med Biol 39, no. 3 (March 1994): 643–53. https://doi.org/10.1088/0031-9155/39/3/025.
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  - Smith, M. F., and R. J. Jaszczak. “Generalized dual-energy-window scatter compensation in spatially varying media for SPECT.” Phys Med Biol 39, no. 3 (March 1994): 531–46. https://doi.org/10.1088/0031-9155/39/3/016.
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  - Bowsher, J. E., V. E. Johnson, T. G. Turkington, C. E. Floyd, R. J. Jaszczak, and R. E. Coleman. “Improved lesion detection and quantification in emission tomography using anatomical and physiological prior information.” Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, no. pt 3 (January 1, 1994): 1907–11.
  - Jang, S., R. J. Jaszczak, J. Li, A. J. Evans, K. L. Greer, R. E. Coleman, J. F. Debatin, and S. N. Nadel. “Cardiac Ejection Fraction and Volume Measurements Using Dynamic Cardiac Phantoms and Radionuclide Imaging.” Ieee Transactions on Nuclear Science 41, no. 6 (January 1, 1994): 2845–49. https://doi.org/10.1109/23.340656.
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  - Li, J., R. J. Jaszczak, H. Wang, G. T. Gullberg, K. L. Greer, and R. E. Coleman. “A cone beam SPECT reconstruction algorithm with a displaced center of rotation.” Med Phys 21, no. 1 (January 1994): 145–52. https://doi.org/10.1118/1.597253.
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  - Li, J., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “A filtered backprojection algorithm for pinhole SPECT with a displaced centre of rotation.” Phys Med Biol 39, no. 1 (January 1994): 165–76. https://doi.org/10.1088/0031-9155/39/1/010.
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  - Li, J., R. J. Jaszczak, T. G. Turkington, C. E. Metz, D. R. Gilland, K. L. Greer, and R. E. Coleman. “An evaluation of lesion detectability with cone-beam, fanbeam and parallel-beam collimation in SPECT by continuous ROC study.” J Nucl Med 35, no. 1 (January 1994): 135–40.
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  - Smith, M. F., and R. J. Jaszczak. “Simultaneously constraining SPECT activity estimates with primary and secondary energy window projection data.” Ieee Trans Med Imaging 13, no. 2 (1994): 329–37. https://doi.org/10.1109/42.293926.
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  - Wang, H., R. J. Jaszczak, and R. E. Coleman. “Information Analysis for 3D SPECT Imaging of Radionuclide Distributions in Attenuating Objects’.” Ieee Transactions on Nuclear Science 41, no. 4 (January 1, 1994): 1612–19. https://doi.org/10.1109/23.322957.
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  - Lowe, V. J., K. L. Greer, M. W. Hanson, R. J. Jaszczak, and R. E. Coleman. “Cardiac phantom evaluation of simultaneously acquired dual-isotope rest thallium-201/stress technetium-99m SPECT images.” J Nucl Med 34, no. 11 (November 1993): 1998–2006.
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  - Jaszczak, R. J., D. R. Gilland, M. W. Hanson, S. Jang, K. L. Greer, and R. E. Coleman. “Fast transmission CT for determining attenuation maps using a collimated line source, rotatable air-copper-lead attenuators and fan-beam collimation.” J Nucl Med 34, no. 9 (September 1993): 1577–86.
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  - Turkington, T. G., R. J. Jaszczak, C. A. Pelizzari, C. C. Harris, J. R. MacFall, J. M. Hoffman, and R. E. Coleman. “Accuracy of registration of PET, SPECT and MR images of a brain phantom.” J Nucl Med 34, no. 9 (September 1993): 1587–94.
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  - Wang, H., R. J. Jaszczak, and R. E. Coleman. “A new composite model of objects for Monte Carlo simulation of radiological imaging.” Phys Med Biol 38, no. 9 (September 1993): 1235–62. https://doi.org/10.1088/0031-9155/38/9/005.
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  - Turkington, T. G., M. R. Zalutsky, R. J. Jaszczak, P. K. Garg, G. Vaidyanathan, and R. E. Coleman. “Measuring astatine-211 distributions with SPECT.” Phys Med Biol 38, no. 8 (August 1993): 1121–30. https://doi.org/10.1088/0031-9155/38/8/010.
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  - Wang, H., R. J. Jaszczak, D. R. Gilland, K. L. Greer, and R. E. Coleman. “Solid geometry based modelling of non-uniform attenuation and Compton scattering in objects for SPECT imaging systems.” Ieee Transactions on Nuclear Science 40, no. 4 (August 1, 1993). https://doi.org/10.1109/23.256569.
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  - Marks, L. B., D. P. Spencer, G. C. Bentel, S. K. Ray, G. W. Sherouse, M. R. Sontag, R. E. Coleman, R. J. Jaszczak, T. G. Turkington, and V. Tapson. “The utility of SPECT lung perfusion scans in minimizing and assessing the physiologic consequences of thoracic irradiation.” Int J Radiat Oncol Biol Phys 26, no. 4 (July 15, 1993): 659–68. https://doi.org/10.1016/0360-3016(93)90285-4.
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  - Smith, M. F., C. E. Floyd, and R. J. Jaszczak. “A vectorized Monte Carlo code for modeling photon transport in SPECT.” Med Phys 20, no. 4 (July 1993): 1121–27. https://doi.org/10.1118/1.597148.
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  - Li, J., R. J. Jaszczak, H. Wang, K. L. Greer, and R. E. Coleman. “Determination of both mechanical and electronic shifts in cone beam SPECT.” Phys Med Biol 38, no. 6 (June 1993): 743–54. https://doi.org/10.1088/0031-9155/38/6/008.
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  - Schold, S. C., M. R. Zalutsky, R. E. Coleman, M. J. Glantz, A. H. Friedman, R. J. Jaszczak, S. H. Bigner, and D. D. Bigner. “Distribution and dosimetry of I-123-labeled monoclonal antibody 81C6 in patients with anaplastic glioma.” Invest Radiol 28, no. 6 (June 1993): 488–96.
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  - BOWSHER, J. E., V. E. JOHNSON, J. QIAN, J. XU, C. E. FLOYD, R. J. JASZCZAK, and R. E. COLEMAN. “3-DIMENSIONAL BAYESIAN RECONSTRUCTION FOR SPECT.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P20–P20.
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  - GILLAND, D. R., R. J. JASZCZAK, K. L. GREER, and R. E. COLEMAN. “NONUNIFORM ATTENUATION COMPENSATION FOR TC-99M CARDIAC SPECT USING ACQUIRED TRANSMISSION DATA.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P30–P30.
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  - JANG, S., H. WANG, R. J. JASZCZAK, M. LJUNGBERG, K. L. GREER, and R. E. COLEMAN. “A STUDY OF RESOLUTION AND SENSITIVITY FOR PARALLEL AND CONE-BEAM COLLIMATORS.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P80–P80.
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  - JASZCZAK, R. J., J. LI, H. WANG, M. R. ZALUTSKY, and R. E. COLEMAN. “PINHOLE COLLIMATION FOR ULTRA-HIGH-RESOLUTION, SMALL-FIELD-OF-VIEW SPECT STUDIES.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P10–P10.
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  - LI, J., R. J. JASZCZAK, D. R. GILLAND, T. G. TURKINGTON, K. L. GREER, and R. E. COLEMAN. “EVALUATION OF SPECT QUANTIFICATION USING INVIVO DOG STUDIES AND TC-99M LABELED MAA.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P26–P26.
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  - LI, J., R. J. JASZCZAK, K. L. GREER, and R. E. COLEMAN. “A FAST ITERATIVE RECONSTRUCTION ALGORITHM FOR CONE-BEAM SPECT.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P80–P80.
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  - LI, J., R. J. JASZCZAK, T. G. TURKINGTON, C. E. METZ, K. L. GREER, and R. E. COLEMAN. “AN EVALUATION OF LESION DETECTABILITY WITH CONE-BEAM, FAN BEAM AND PARALLEL BEAM COLLIMATION IN SPECT BY CONTINUOUS ROC ANALYSIS.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P81–P81.
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  - SMITH, M. F., and R. J. JASZCZAK. “GENERALIZED DUAL-ENERGY WINDOW SCATTER COMPENSATION FOR SPECT.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P72–P72.
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  - TURKINGTON, T. G., M. R. ZALUTSKY, R. J. JASZCZAK, P. GARG, G. VAIDYANATHAN, and R. E. COLEMAN. “MEASURING ASTATINE-211 DISTRIBUTIONS WITH SPECT.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P191–P191.
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  - TURKINGTON, T. G., R. J. JASZCZAK, D. R. GILLAND, and R. E. COLEMAN. “A NONUNIFORM ATTENUATION CORRECTION FOR QUANTITATIVE THORAX SPECT BASED ON LUNG EMISSION.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P190–P190.
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  - WANG, H., R. J. JASZCZAK, and R. E. COLEMAN. “A COMPARISON OF PARALLEL BEAM, FAN BEAM, AND CONE-BEAM COLLIMATORS FOR 3D SPECT BRAIN IMAGING BASED ON MUTUAL INFORMATION CRITERION.” Journal of Nuclear Medicine 34, no. 5 (May 1, 1993): P195–96.
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  - Leichner, P. K., K. F. Koral, R. J. Jaszczak, A. J. Green, G. T. Chen, and J. C. Roeske. “An overview of imaging techniques and physical aspects of treatment planning in radioimmunotherapy.” Med Phys 20, no. 2 Pt 2 (March 1993): 569–77. https://doi.org/10.1118/1.597051.
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  - Li, J., R. J. Jaszczak, K. L. Greer, R. E. Coleman, Z. J. Cao, and B. M. Tsui. “Direct cone beam SPECT reconstruction with camera tilt.” Phys Med Biol 38, no. 2 (February 1993): 241–58. https://doi.org/10.1088/0031-9155/38/2/003.
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  - Gilland, D. R., R. J. Jaszczak, J. E. Bowsher, T. G. Turkington, Z. Liang, K. L. Greer, and R. E. Coleman. “Quantitative SPECT Brain Imaging: Effects of Attenuation and Detector Response.” Ieee Transactions on Nuclear Science 40, no. 3 (January 1, 1993): 295–99. https://doi.org/10.1109/23.221054.
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  - Li, J., R. J. Jaszczak, T. G. Turkington, K. L. Greer, and R. E. Coleman. “SPECT Reconstruction of Combined Cone Beam and Parallel Hole Collimation with Experimental Data.” Ieee Transactions on Nuclear Science 40, no. 3 (January 1, 1993): 300–306. https://doi.org/10.1109/23.221055.
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  - Turkington, T. G., D. R. Gilland, R. J. Jaszczak, K. L. Greer, R. F. Coleman, and M. F. Smith. “A Direct Measurement of Skull Attenuation for Quantitative SPECT.” Ieee Transactions on Nuclear Science 40, no. 4 (January 1, 1993): 1158–61. https://doi.org/10.1109/23.256728.
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  - Zeng, G. L., G. T. Gullberg, R. J. Jaszczak, and J. Li. “Fan-beam reconstruction algorithm for a spatially varying focal length collimator.” Ieee Trans Med Imaging 12, no. 3 (1993): 575–82. https://doi.org/10.1109/42.241886.
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  - Johnson, V. E., J. E. Bowsher, J. Qian, and R. J. Jaszczak. “Segmentation and analysis of emission-computed-tomography images.” Proceedings of Spie the International Society for Optical Engineering 1766 (December 1, 1992): 287–95.
  - KORAL, K. F., J. LUO, X. WANG, C. E. FLOYD, R. J. JASZCZAK, and M. LJUNBERG. “MONTE-CARLO DETERMINATION OF DUAL-ENERGY-WINDOW MULTIPLIER REQUIRED FOR TC-99M SCATTER CORRECTION.” Radiology 185 (November 1, 1992): 252–252.
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  - LI, J., R. J. JASZCZAK, T. G. TURKINGTON, C. E. METZ, D. B. MUSANTE, and R. E. COLEMAN. “ROC EVALUATION OF LESION DETECTABILITY OF CONE BEAM VERSUS PARALLEL BEAM COLLIMATION IN SPECT WITH A 3D BRAIN PHANTOM.” Radiology 185 (November 1, 1992): 251–251.
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  - WANG, H., R. J. JASZCZAK, and R. E. COLEMAN. “MONTE-CARLO SIMULATION OF PHOTON DETECTION FOR SPECT PINHOLE COLLIMATION.” Radiology 185 (November 1, 1992): 176–176.
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  - Gilland, D. R., B. M. Tsui, C. E. Metz, R. J. Jaszczak, and J. R. Perry. “An evaluation of maximum likelihood-expectation maximization reconstruction for SPECT by ROC analysis.” J Nucl Med 33, no. 3 (March 1992): 451–57.
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  - Jaszczak, R. J., J. Li, H. Wang, and R. E. Coleman. “Three-dimensional SPECT reconstruction of combined cone beam and parallel beam data.” Phys Med Biol 37, no. 3 (March 1992): 535–48. https://doi.org/10.1088/0031-9155/37/3/003.
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  - Liang, Z., T. G. Turkington, D. R. Gilland, R. J. Jaszczak, and R. E. Coleman. “Simultaneous compensation for attenuation, scatter and detector response for SPECT reconstruction in three dimensions.” Phys Med Biol 37, no. 3 (March 1992): 587–603. https://doi.org/10.1088/0031-9155/37/3/007.
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  - Smith, M. F., C. E. Floyd, R. J. Jaszczak, and R. E. Coleman. “Three-dimensional photon detection kernels and their application to SPECT reconstruction.” Phys Med Biol 37, no. 3 (March 1992): 605–22. https://doi.org/10.1088/0031-9155/37/3/008.
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  - Liang, Z., R. J. Jaszczak, and R. E. Coleman. “Parameter Estimation of Finite Mixtures Using the EM Algorithm and Information Criteria with Application to Medical Image Processing.” Ieee Transactions on Nuclear Science 39, no. 4 (January 1, 1992): 1126–33. https://doi.org/10.1109/23.159772.
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  - Smith, M. F., C. E. Floyd, and R. J. Jaszczak. “Evaluation of Projection Pixel-Dependent and Pixel-Independent Scatter Correction in SPECT.” Ieee Transactions on Nuclear Science 39, no. 4 (January 1, 1992): 1099–1105. https://doi.org/10.1109/23.159767.
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  - Smith, M. F., C. R. Floyd, R. J. Jaszczak, and R. E. Coleman. “Reconstruction of SPECT images using generalized matrix inverses.” Ieee Trans Med Imaging 11, no. 2 (1992): 165–75. https://doi.org/10.1109/42.141640.
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  - Turkington, T. G., R. J. Jaszczak, K. L. Greer, R. E. Coleman, and C. A. Pelizzari. “Correlation of SPECT images of a three-dimensional brain phantom using a surface fitting technique.” Ieee Transactions on Nuclear Science 39, no. 5 (January 1, 1992): 1460–63. https://doi.org/10.1109/23.173224.
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  - Wang, H., R. J. Jaszczak, and R. E. Coleman. “Solid geometry-based object model for Monte Carlo simulated emission and transmission tomographic imaging systems.” Ieee Trans Med Imaging 11, no. 3 (1992): 361–72. https://doi.org/10.1109/42.158940.
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  - Liang, Z., R. Jaszczak, R. Coleman, and V. Johnson. “Simultaneous reconstruction, segmentation, and edge enhancement of relatively piecewise continuous images with intensity-level information.” Medical Physics 18, no. 3 (May 1991): 394–401. https://doi.org/10.1118/1.596685.
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  - Gilland, D. R., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “Quantitative SPECT reconstruction of iodine-123 data.” J Nucl Med 32, no. 3 (March 1991): 527–33.
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  - Koral, K. F., X. Wang, K. R. Zasadny, N. H. Clinthorne, W. L. Rogers, C. E. Floyd, and R. J. Jaszczak. “Testing of local gamma-ray scatter fractions determined by spectral fitting.” Phys Med Biol 36, no. 2 (February 1991): 177–90. https://doi.org/10.1088/0031-9155/36/2/003.
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  - Gilland, D. R., R. J. Jaszczak, T. G. Turkington, K. L. Greer, and R. E. Coleman. “Quantitative SPECT Imaging with Indium-111¹.” Ieee Transactions on Nuclear Science 38, no. 2 (January 1, 1991): 761–66. https://doi.org/10.1109/23.289386.
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  - Jaszczak, R. J., D. C. Hoffman, and R. P. Devito. “Variance Propagation For Spect With Energy-Weighted Acquisition.” Ieee Transactions on Nuclear Science 38, no. 2 (January 1, 1991): 739–47. https://doi.org/10.1109/23.289383.
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  - Wang, X., K. F. Koral, N. H. Clinthorne, W. L. Rogers, C. E. Floyd, and R. J. Jaszczak. “Effect of noise, order and range in fitting the photopeak region of local, Anger-camera energy spectra.” Nuclear Inst. and Methods in Physics Research, A 299, no. 1–3 (December 20, 1990): 548–53. https://doi.org/10.1016/0168-9002(90)90841-S.
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  - Liang, Z., and R. Jaszczak. “Comparisons of multiple photon coincidence imaging techniques.” Ieee Transactions on Nuclear Science 37, no. 3 (June 1990): 1282–92. https://doi.org/10.1109/23.57378.
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  - Zasadny, K. R., K. F. Koral, C. E. Floyd, and R. J. Jaszczak. “Measurement of Compton scattering in phantoms by germanium detector.” Ieee Transactions on Nuclear Science 37, no. 2 (January 1, 1990): 642–46. https://doi.org/10.1109/23.106691.
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  - Manglos, S. H., R. J. Jaszczak, and C. E. Floyd. “Maximum likelihood reconstruction for cone beam SPECT: development and initial tests.” Phys Med Biol 34, no. 12 (December 1989): 1947–57. https://doi.org/10.1088/0031-9155/34/12/018.
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  - Manglos, S. H., R. J. Jaszczak, and K. L. Greer. “Cone beam SPECT reconstruction with camera tilt.” Phys Med Biol 34, no. 5 (May 1989): 625–31. https://doi.org/10.1088/0031-9155/34/5/007.
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  - Liang, Z., R. Jaszczak, C. Floyd, K. Greer, and R. Coleman. “Bayesian reconstruction for SPECT: Validation with monte carlo simulation, experimental phantom, and real patient data.” International Journal of Imaging Systems and Technology 1, no. 2 (1989): 149–68. https://doi.org/10.1002/ima.1850010206.
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  - Liang, Z., R. Jaszczak, and K. Greer. “On Bayesian image reconstruction from projections: uniform and nonuniform a priori source information.” Ieee Transactions on Medical Imaging 8, no. 3 (1989): 227–35. https://doi.org/10.1109/42.34711.
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  - Manglos, S. H., R. J. Jaszczak, and J. G. McAfee. “Maximum likelihood reconstruction for cone beam spect with camera tilt.” Ieee Transactions on Nuclear Science 36, no. 1 (January 1, 1989): 1117–21. https://doi.org/10.1109/23.34615.
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  - JASZCZAK, R. J. “SPECT - CURRENT STATUS OF INSTRUMENTATION AND DATE PROCESSING.” Journal of Nuclear Medicine 29, no. 12 (December 1, 1988): 2026–2026.
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  - Floyd, C. E., R. J. Jaszczak, and R. E. Coleman. “Scatter detection in SPECT imaging: dependence on source depth, energy, and energy window.” Phys Med Biol 33, no. 9 (September 1988): 1075–81. https://doi.org/10.1088/0031-9155/33/9/006.
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  - JASZCZAK, R. J., Z. LIANG, K. L. GREER, C. E. FLOYD, and R. E. COLEMAN. “CONE BEAM SPECT - AN ACQUISITION GEOMETRY TO INCREASE DETECTION EFFICIENCY.” European Journal of Nuclear Medicine 14, no. 5–6 (August 1, 1988): 226–226.
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  - Jaszczak, R. J., K. L. Greer, and R. E. Coleman. “SPECT using a specially designed cone beam collimator.” J Nucl Med 29, no. 8 (August 1988): 1398–1405.
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  - Hahn, L. J., R. J. Jaszczak, G. T. Gullberg, C. E. Floyd, S. H. Manglos, K. L. Greer, and R. E. Coleman. “Noise characteristics for cone beam collimators: a comparison with parallel hole collimator.” Phys Med Biol 33, no. 5 (May 1988): 541–55. https://doi.org/10.1088/0031-9155/33/5/003.
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  - Drayer, B. P., R. Albright, R. J. Jaszczak, R. Velaj, H. F. Kung, K. L. Greer, and R. E. Coleman. “Single-photon-emission computed tomographic imaging of glioma.” Am J Physiol Imaging 3, no. 1 (1988): 57–58.
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  - Floyd, C. E., R. J. Jaszczak, and S. H. Manglos. “Compensation for collimator divergence in spect using inverse Monte Carlo reconstruction.” Ieee Transactions on Nuclear Science 35, no. 1 (January 1, 1988): 784–87. https://doi.org/10.1109/23.12832.
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  - Harris, C. C., R. J. Jaszczak, K. L. Greer, W. H. Briner, and R. E. Coleman. “Solutions to problems in dose calibrator assay of iodine-123.” Am J Physiol Imaging 3, no. 1 (1988): 33–35.
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  - Jaszczak, R. J. “Tomographic Radiopharmaceutical Imaging.” Proceedings of the Ieee 76, no. 9 (January 1, 1988): 1079–94. https://doi.org/10.1109/5.9654.
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  - Jaszczak, R. J., and R. E. Coleman. “Instrumentation for single-photon-emission computed tomographic studies of the brain.” Am J Physiol Imaging 3, no. 1 (1988): 67–70.
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  - Liang, Z., R. Jaszczak, and H. Hart. “Study and performance evaluation of statistical methods in image processing.” Computers in Biology and Medicine 18, no. 6 (January 1988): 395–408. https://doi.org/10.1016/0010-4825(88)90057-1.
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  - Liang, Z., and R. Jaszczak. “Statistical models of a priori information for image processing. II. Finite distribution range constraints.” Proc. Spie Int. Soc. Opt. Eng. (Usa) 974 (1988): 53–58.
  - Manglos, S. H., R. J. Jaszczak, C. E. Floyd, L. J. Hahn, K. L. Greer, and R. E. Coleman. “A quantitative comparison of attenuation-weighted backprojection with multiplicative and iterative postprocessing attenuation compensation in SPECT.” Ieee Trans Med Imaging 7, no. 2 (1988): 127–34. https://doi.org/10.1109/42.3939.
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  - Manglos, S. H., and R. J. Jaszczak. “Weighted backprojection implemented with a non-uniform attenuation map for improved spect quantitation.” Ieee Transactions on Nuclear Science 35, no. 1 (January 1, 1988): 625–28. https://doi.org/10.1109/23.12800.
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  - Floyd, C. E., R. J. Jaszczak, C. C. Harris, and R. E. Coleman. “Revised scatter fraction results for SPECT.” Physics in Medicine and Biology 32, no. 12 (December 1, 1987): 1663. https://doi.org/10.1088/0031-9155/32/12/018.
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  - Manglos, S. H., R. J. Jaszczak, C. E. Floyd, L. J. Hahn, K. L. Greer, and R. E. Coleman. “Nonisotropic attenuation in SPECT: phantom tests of quantitative effects and compensation techniques.” J Nucl Med 28, no. 10 (October 1987): 1584–91.
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  - Floyd, C. E., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “Brain phantom: high-resolution imaging with SPECT and I-123.” Radiology 164, no. 1 (July 1987): 279–81. https://doi.org/10.1148/radiology.164.1.3495817.
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  - KORAL, K. F., X. WANG, N. H. CLINTHORNE, W. L. ROGERS, C. E. FLOYD, and R. J. JASZCZAK. “COMPTON-SCATTER FRACTIONS BASED ON A SPECTRAL FITTING METHOD.” Medical Physics 14, no. 4 (July 1, 1987): 711–711.
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  - Floyd, C. E., R. J. Jaszczak, and R. E. Coleman. “Convergence of the maximum likelihood reconstruction algorithm for emission computed tomography.” Phys Med Biol 32, no. 4 (April 1987): 463–76. https://doi.org/10.1088/0031-9155/32/4/005.
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  - Manglos, S. H., C. E. Floyd, R. J. Jaszczak, K. L. Greer, C. C. Harris, and R. E. Coleman. “Experimentally measured scatter fractions and energy spectra as a test of Monte Carlo simulations.” Phys Med Biol 32, no. 3 (March 1987): 335–43. https://doi.org/10.1088/0031-9155/32/3/003.
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  - Jaszczak, R. J., K. L. Greer, C. E. Floyd, S. H. Manglos, and R. E. Coleman. “IMAGING CHARACTERISTICS OF A HIGH RESOLUTION CONE BEAM COLLIMATOR.” Ieee Transactions on Nuclear Science 35, no. 1 (February 1, 1987). https://doi.org/10.1109/23.12804.
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  - Floyd, C. E., R. J. Jaszczak, and R. E. Coleman. “Maximum likelihood reconstruction for spect with monte carlo modeling: Asymptotic behavior.” Ieee Transactions on Nuclear Science 34, no. 1 (January 1, 1987): 285–87. https://doi.org/10.1109/TNS.1987.4337349.
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  - Greer, K. L., C. C. Harris, R. J. Jaszczak, R. E. Coleman, L. W. Hedlund, C. E. Floyd, and S. H. Manglos. “Transmission computed tomography data acquisition with a SPECT system.” J. Nucl. Med. Technol. (Usa) 15, no. 2 (1987): 53–56.
  - Jaszczak, Ronald J., Kim L. Greer, Carey E. Floyd, Stephen H. Manglos, and R Edward Coleman. “IMAGING CHARACTERISTICS OF A HIGH RESOLUTION CONE BEAM COLLIMATOR.” Ieee Transactions on Nuclear Science 35, no. 1 (1987): 3.
  - Jr, Floyd C. E., R. J. Jaszczak, and R. E. Coleman. “Maximum likelihood reconstruction for SPECT with Monte Carlo modeling: asymptotic behavior.” Ieee Trans. Nucl. Sci. (Usa) NS-34, no. 1 (1987): 285–87.
  - Manglos, S. H., R. J. Jaszczak, C. E. Floyd, K. L. Greer, and R. E. Coleman. “A practical attenuation compensation method for cone beam SPECT.” Ieee Trans. Nucl. Sci. (Usa) NS-34, no. 1 (1987): 294–98.
  - Manglos, S. H., R. J. Jaszczak, C. E. Floyd, K. L. Greer, and R. E. Coleman. “A practical attenuation compensation method for cone beam spect.” Ieee Transactions on Nuclear Science 34, no. 1 (January 1, 1987): 294–98. https://doi.org/10.1109/TNS.1987.4337351.
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  - Floyd, C. E., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “Inverse Monte Carlo as a unified reconstruction algorithm for ECT.” J Nucl Med 27, no. 10 (October 1986): 1577–85.
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  - Jaszczak, R. J., C. E. Floyd, S. H. Manglos, K. L. Greer, and R. E. Coleman. “Cone beam collimation for single photon emission computed tomography: analysis, simulation, and image reconstruction using filtered backprojection.” Med Phys 13, no. 4 (July 1986): 484–89. https://doi.org/10.1118/1.595854.
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  - TSUI, B. M. W., R. J. JASZCZAK, D. R. PICKENS, A. TODDPOKROPEK, and N. J. JASZCZAK. “AN INTEGRATED PHANTOM SET FOR MR IMAGING.” Medical Physics 13, no. 4 (July 1, 1986): 602–602.
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  - FLOYD, C. E., R. J. JASZCZAK, S. H. MANGLOS, K. L. GREER, and R. E. COLEMAN. “INVERSE MONTE-CARLO IMAGE-RECONSTRUCTION FOR SPECT WITH MAXIMUM-LIKELIHOOD-ESTIMATION.” Journal of Nuclear Medicine 27, no. 6 (June 1, 1986): 895–895.
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  - JASZCZAK, R. J., C. E. FLOYD, S. H. MANGLOS, K. L. GREER, and R. E. COLEMAN. “CONE-BEAM SPECT - EXPERIMENTAL VALIDATION USING A CONVENTIONALLY-DESIGNED CONVERGING COLLIMATOR.” Journal of Nuclear Medicine 27, no. 6 (June 1, 1986): 930–930.
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  - MANGLOS, S. H., C. E. FLOYD, R. J. JASZCZAK, K. L. GREER, C. C. HARRIS, and R. E. COLEMAN. “EXPERIMENTALLY-MEASURED SCATTER FRACTIONS AS A QUANTITATIVE TEST OF MONTE-CARLO SIMULATIONS.” Journal of Nuclear Medicine 27, no. 6 (June 1, 1986): 960–960.
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  - Coleman, R. E., R. A. Blinder, and R. J. Jaszczak. “Single photon emission computed tomography (SPECT). Part II: Clinical applications.” Invest Radiol 21, no. 1 (January 1986): 1–11. https://doi.org/10.1097/00004424-198601000-00001.
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  - Floyd, C. E., R. J. Jaszczak, S. H. Mangles, K. L. Greer, and R. Edward Coleman. “Improved SPECT reconstruction using inverse monte carlo.” Proceedings of Spie the International Society for Optical Engineering 671 (January 1, 1986): 206–13. https://doi.org/10.1117/12.966699.
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  - Floyd, C. E., R. J. Jaszczak, and K. L. Greer. “Cone beam collimation for spect: Simulation and reconstruction.” Ieee Transactions on Nuclear Science 33, no. 1 (January 1, 1986): 511–14. https://doi.org/10.1109/TNS.1986.4337154.
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  - Floyd, C. E., R. J. Jaszczak, and R. Coleman. “Image resampling on a cylindrical sector grid.” Ieee Trans Med Imaging 5, no. 3 (1986): 128–31. https://doi.org/10.1109/TMI.1986.4307761.
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  - Jaszczak, R. J., C. E. Floyd, S. H. Manglos, K. L. Greer, and R. E. Coleman. “Three-Dimensional Single-Photon Emission Computed Tomography Using Cone Beam Collimation (Cb-Spect).” Proceedings of Spie the International Society for Optical Engineering 671 (January 1, 1986): 193–99. https://doi.org/10.1117/12.966697.
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  - Jaszczak, R. J., and R. E. Coleman. “Single photon emission computed tomography (SPECT). Principles and instrumentation.” Invest Radiol 20, no. 9 (December 1985): 897–910. https://doi.org/10.1097/00004424-198512000-00004.
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  - Fearnow, E. C., R. J. Jaszczak, C. C. Harris, J. A. Stanfield, and R. E. Coleman. “Esophageal source measurement of Tc-99m attenuation coefficients for use in left ventricular volume determinations.” Radiology 157, no. 2 (November 1985): 517–20. https://doi.org/10.1148/radiology.157.2.2996052.
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  - Floyd, C. E., R. J. Jaszczak, C. C. Harris, K. L. Greer, and R. E. Coleman. “Monte Carlo evaluation of Compton scatter subtraction in single photon emission computed tomography.” Med Phys 12, no. 6 (November 1985): 776–78. https://doi.org/10.1118/1.595663.
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  - Fearnow, E. C., J. A. Stanfield, R. J. Jaszczak, C. C. Harris, and R. E. Coleman. “Factors affecting ventricular volumes determined by a count-based equilibrium method.” J Nucl Med 26, no. 9 (September 1985): 1042–47.
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  - Floyd, C. E., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “Deconvolution of Compton scatter in SPECT.” J Nucl Med 26, no. 4 (April 1985): 403–8.
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  - Floyd, C. E., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “CONE BEAM COLLIMATION FOR SPECT: SIMULATION AND RECONSTRUCTION.” Ieee Transactions on Nuclear Science NS-33, no. 1 (February 1, 1985).
  - Floyd, C., R. J. Jaszczak, and R. Edward Coleman. “Inverse monte carlo: A unified reconstruction algorithm for spect.” Ieee Transactions on Nuclear Science 32, no. 1 (January 1, 1985): 779–85. https://doi.org/10.1109/TNS.1985.4336940.
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  - Greer, K., R. Jaszczak, C. Harris, and R. E. Coleman. “Quality control in SPECT.” J. Nucl. Med. Technol. (Usa) 13, no. 2 (1985): 76–87.
  - HARRIS, C. C., R. J. JASZCZAK, K. L. GREER, W. H. BRINER, and R. E. COLEMAN. “CORRECTION METHODS AND FACTORS FOR DOSE CALIBRATOR ASSAY OF I-123.” Journal of Nuclear Medicine 26, no. 5 (January 1, 1985): P101–P101.
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  - Jaszczak, R. J., C. E. Floyd, and R. E. Coleman. “Scatter compensation techniques for spect.” Ieee Transactions on Nuclear Science 32, no. 1 (January 1, 1985): 786–93. https://doi.org/10.1109/TNS.1985.4336941.
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  - Jaszczak, R. J., Floyd C. E. Jr, and R. E. Coleman. “Scatter compensation techniques for SPECT.” Ieee Trans. Nucl. Sci. (Usa) NS-32, no. 1 (1985): 786–93.
  - Jaszczak, R. J., K. L. Greer, C. E. Floyd, C. C. Harris, and R. E. Coleman. “Estimating spect count densities, scatter fractions, and statistical noise.” Ieee Transactions on Nuclear Science 32, no. 1 (January 1, 1985): 762–68. https://doi.org/10.1109/TNS.1985.4336938.
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  - Osborne, D., R. J. Jaszczak, K. Greer, M. Lischko, and R. E. Coleman. “SPECT quantification of technetium-99m microspheres within the canine lung.” J Comput Assist Tomogr 9, no. 1 (January 1985): 73–77. https://doi.org/10.1097/00004728-198501000-00015.
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  - Harris, C. C., R. J. Jaszczak, K. L. Greer, W. H. Briner, and R. E. Coleman. “Effects of characteristic x-rays on assay of I-123 by dose calibrator.” J Nucl Med 25, no. 12 (December 1984): 1367–70.
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  - Floyd, C. E., R. J. Jaszczak, C. C. Harris, and R. E. Coleman. “Energy and spatial distribution of multiple order Compton scatter in SPECT: a Monte Carlo investigation.” Phys Med Biol 29, no. 10 (October 1984): 1217–30. https://doi.org/10.1088/0031-9155/29/10/005.
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  - Harris, C. C., K. L. Greer, R. J. Jaszczak, C. E. Floyd, E. C. Fearnow, and R. E. Coleman. “Tc-99m attenuation coefficients in water-filled phantoms determined with gamma cameras.” Med Phys 11, no. 5 (September 1984): 681–85. https://doi.org/10.1118/1.595623.
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  - Jaszczak, R. J., K. L. Greer, C. E. Floyd, C. C. Harris, and R. E. Coleman. “Improved SPECT quantification using compensation for scattered photons.” J Nucl Med 25, no. 8 (August 1984): 893–900.
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  - Schneider, R. M., R. J. Jaszczak, R. E. Coleman, and F. R. Cobb. “Disproportionate effects of regional hypokinesis on radionuclide ejection fraction: compensation using attenuation-corrected ventricular volumes.” J Nucl Med 25, no. 7 (July 1984): 747–54.
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  - FEARNOW, E. C., J. A. STANFIELD, R. J. JASZCZAK, C. C. HARRIS, and R. E. COLEMAN. “VARIATIONS IN ATTENUATION COEFFICIENTS FOR TC-99M PHOTONS WITH SOURCE DEPTH AND REGION-OF-INTEREST SIZE.” Journal of Nuclear Medicine 25, no. 5 (January 1, 1984): P23–P23.
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  - FLOYD, C. E., R. J. JASZCZAK, C. C. HARRIS, and R. E. COLEMAN. “MONTE-CARLO EVALUATION OF COMPTON SCATTER COMPENSATION BY DEONVOLUTION IN SPECT.” Journal of Nuclear Medicine 25, no. 5 (January 1, 1984): P71–P71.
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  - HARRIS, C. C., K. L. GREER, C. E. FLOYD, R. J. JASZCZAK, E. C. FEARNOW, and R. E. COLEMAN. “ATTENUATION COEFFICIENTS FOR TC-99M PHOTONS IN WATERFILLED PHANTOMS, DETERMINED WITH A GAMMA-CAMERA - VARIATION WITH ENERGY WINDOW.” Journal of Nuclear Medicine 25, no. 5 (January 1, 1984): P22–23.
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  - JASZCZAK, R. J. “Improved SPECT quantitation using compensation for scattered photons.” J. Nucl. Med. 25 (1984): 893–900.
  - JASZCZAK, R. J., K. L. GREER, C. E. FLOYD, C. C. HARRIS, and R. E. COLEMAN. “THE ESTIMATION OF SPECT STATISTICAL RELIABILITY.” Journal of Nuclear Medicine 25, no. 5 (January 1, 1984): P70–P70.
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  - Jaszozak, R. J., K. L. Greer, C. E. F. Jr, C. C. Harris, and R. E. Coleman. “ESTIMATING SPECT COUNT DENSITIES, SCATTER FRACTIONS, AND STATISTICAL NOISE.” Ieee Transactions on Nuclear Science NS-32, no. 1 (1984): 762–68.
  - Jr, C. E. F., R. J. Jaszczak, and R. E. Coleman. “INVERSE MONTE CARLO: A UNIFIED RECONSTRUCTION ALGORITHM FOR SPECT.” Ieee Transactions on Nuclear Science NS-32, no. 1 (1984): 779–85.
  - SCHNEIDER, R. M., R. J. JASZCZAK, R. E. COLEMAN, and F. R. COBB. “GEOMETRY DEPENDENCE OF RADIONUCLIDE EJECTION FRACTION - EFFECTS OF DIFFERENTIAL ATTENUATION DURING REGIONAL HYPOKINESIS.” Journal of the American College of Cardiology 3, no. 2 (January 1, 1984): 540–540.
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  - TSUI, B. M. W., and R. J. JASZCZAK. “EVALUATION OF SPECT SYSTEM PERFORMANCE BY QUANTATATIVELY COMPARING PLANAR AND RECONSTRUCTED SPATIAL RESOLUTIONS.” Journal of Nuclear Medicine 25, no. 5 (January 1, 1984): P107–8.
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  - Tsui, B. M. W. “Interactions of collimation, sampling and filtering on spect spatial resolution.” Ieee Transactions on Nuclear Science 31, no. 1 (January 1, 1984): 527–32. https://doi.org/10.1109/TNS.1984.4333312.
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  - Tsui, B. M. W., and R. J. Jaszczak. “Interactions of collimation, sampling and filtering on SPECT spatial resolution.” Ieee Trans. Nucl. Sci. (Usa) NS-31, no. 1 (1984): 527–32.
  - Maublant, J. C. “Tl-201 single-photon emission computed tomography (SPECT).” J Nucl Med 24, no. 3 (March 1983): 273–75.
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  - Osborne, D. R., R. J. Jaszczak, K. Greer, V. Roggli, M. Lischko, and R. E. Coleman. “Detection of pulmonary emboli in dogs: comparison of single photon emission computed tomography, gamma camera imaging, and angiography.” Radiology 146, no. 2 (February 1983): 493–97. https://doi.org/10.1148/radiology.146.2.6600292.
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  - COLEMAN, R. E., and R. J. JASZCZAK. “TI-201 SINGLE-PHOTON EMISSION COMPUTED-TOMOGRAPHY (SPECT) - REPLY.” Journal of Nuclear Medicine 24, no. 3 (January 1, 1983): 273–74.
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  - Greer, K. L., R. E. Coleman, and R. J. Jaszczak. “SPECT: a practical guide for users.” J. Nucl. Med. Technol. (Usa) 11, no. 2 (1983): 61–65.
  - JASZCZAK, R. J., R. E. COLEMAN, and K. L. GREER. “THE SUBTRACTION OF SCATTERED EVENTS FROM SPECT PHOTOPEAK EVENTS.” Journal of Nuclear Medicine 24, no. 5 (January 1, 1983): P82–P82.
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  - SCHNEIDER, R. M., R. J. JASZCZAK, R. E. COLEMAN, and F. R. COBB. “DIFFERENTIAL-EFFECTS OF ANTERIOR VERSUS INFERIOR ISCHEMIA ON GLOBAL RADIONUCLIDE EJECTION FRACTION - EFFECTS OF PHOTON ATTENUATION.” Circulation 68, no. 4 (January 1, 1983): 207–207.
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  - TSUI, B. M. W., R. J. JASZCZAK, and K. L. GREER. “CONTRIBUTING FACTORS FOR SPATIAL-RESOLUTION DEGRADATION IN SPECT.” Medical Physics 10, no. 4 (January 1, 1983): 547–547.
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  - Beck, J. W., R. J. Jaszczak, and C. F. Starmer. “ANALYSIS OF SPECT USING MONTE CARLO SIMULATION.” Proceedings of Spie the International Society for Optical Engineering 372 (December 1, 1982): 32–38.
  - Jaszczak, R. J. “Physical characteristics of SPECT systems, September, 1982.” J Comput Assist Tomogr 6, no. 6 (December 1982): 1205–15. https://doi.org/10.1097/00004728-198212000-00033.
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  - Coleman, R. E., R. J. Jaszczak, and F. R. Cobb. “Comparison of 180 degrees and 360 degrees data collection in thallium-20 1 imaging using single-photon emission computerized tomography (SPECT): concise communication.” J Nucl Med 23, no. 8 (August 1982): 655–60.
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  - Greer, K. L., R. J. Jaszczak, and R. E. Coleman. “An overview of a camera-based SPECT system.” Med Phys 9, no. 4 (July 1982): 455–63. https://doi.org/10.1118/1.595110.
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  - Coleman, R. E., B. P. Drayer, and R. J. Jaszczak. “Studying regional brain function: a challenge for SPECT.” J Nucl Med 23, no. 3 (March 1982): 266–70.
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  - Jaszczak, R. J., F. R. Whitehead, C. B. Lim, and R. E. Coleman. “Lesion detection with single-photon emission computed tomography (SPECT) compared with conventional imaging.” J Nucl Med 23, no. 2 (February 1982): 97–102.
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  - Beck, J. W., R. J. Jaszczak, R. Edward Coleman, C. Frank Starmer, and L. W. Nolte. “Analysis of spect including scatter and attenuation using sophisticated monte carlo modeling methods.” Ieee Transactions on Nuclear Science 29, no. 1 (January 1, 1982): 506–11. https://doi.org/10.1109/TNS.1982.4335896.
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  - Bin Lim, C., K. Sun Han, E. G. Hawman, and R. J. Jaszczak. “Image noise, resolution, and lesion detectability in single photon emission ct.” Ieee Transactions on Nuclear Science 29, no. 1 (January 1, 1982): 500–505. https://doi.org/10.1109/TNS.1982.4335895.
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  - Bin Lim, C., Kyung Sun Han, E. G. Hawman, and R. J. Jaszczak. “Image noise, resolution, and lesion detectability in single photon emission CI.” Ieee Trans. Nucl. Sci. (Usa) ns-29, no. 1 (1982): 500–505.
  - Coleman, R. E., R. J. Jaszczak, and F. R. Cobb. “Comparison of 180° and 360° data collection in thallium-201 imaging using single-photon emission computerized tomography (SPECT).” J. Nucl. Med. (Usa) 23, no. 8 (1982): 655–60.
  - JASZCZAK, R. J., R. E. COLEMAN, and K. GREER. “THE EFFECT OF SOURCE MOTION ON LESION CONTRAST WITH SPECT AND CONVENTIONAL IMAGING.” Journal of Nuclear Medicine 23, no. 5 (January 1, 1982): P44–45.
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  - Coleman, R Edward, Dennis R. Osborne, and Ronald J. Jaszczak. “SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY (SPECT)- QUANTITATIVE ASPECTS AND STUDIES IN CANINE PULMONARY PERFUSION.” Investigative Radiology 16, no. 5 (September 1981): 380–380. https://doi.org/10.1097/00004424-198109000-00039.
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  - Beck, J. W., R. J. Jaszczak, R. E. Coleman, C. F. Starmer, and L. W. Nolte. “ANALYSIS OF SPECT INCLUDING SCATTER AND ATTENUATION USING SOPHISTICATED MONTE CARLO MODELING METHODS.” Ieee Transactions on Nuclear Science NS-29, no. 1 (1981): 506–11.
  - COLEMAN, R. E., F. R. COBB, and R. J. JASZCZAK. “THALLIUM STUDIES USING SINGLE PHOTON-EMISSION COMPUTED-TOMOGRAPHY (SPECT).” Journal of Nuclear Medicine 22, no. 6 (January 1, 1981): P11–P11.
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  - JASZCZAK, R. J., F. R. WHITEHEAD, C. B. LIM, and R. E. COLEMAN. “LESION DETECTABILITY OF ROTATING CAMERA-BASED SINGLE PHOTON-EMISSION COMPUTED-TOMOGRAPHY (SPECT).” Journal of Nuclear Medicine 22, no. 6 (January 1, 1981): P39–P39.
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  - Jaszczak, R. J., R. E. Coleman, and F. R. Whitehead. “Physical factors affecting quantitative measurements using camera-based single photon emission computed tomography (SPECT).” Ieee Trans. Nucl. Sci. (Usa) ns-28, no. 1 (1981): 69–80.
  - Jaszczak, R. J., R. E. Coleman, and F. R. Whitehead. “Physical factors affecting quantitative measurements using CAMERA-based single photon emission computed tomography (SPECT).” Ieee Transactions on Nuclear Science 28, no. 1 (January 1, 1981): 69–80. https://doi.org/10.1109/TNS.1981.4331143.
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  - JASZCZAK, R. J., K. G. MORRIS, F. R. COBB, and R. E. COLEMAN. “LEFT-VENTRICULAR VOLUME FROM MULTIGATED BLOOD POOL DATA USING ATTENUATION CORRECTION.” Medical Physics 7, no. 4 (January 1, 1980): 423–423.
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  - JASZCZAK, R. J., K. G. MORRIS, F. R. COBB, and R. E. COLEMAN. “LEFT-VENTRICULAR VOLUME USING ATTENUATION-CORRECTED MULTIGATED DATA.” Journal of Nuclear Medicine 21, no. 6 (January 1, 1980): P50–P50.
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  - Jaszczak, R. J., R. E. Coleman, and C. B. Lim. “Spect: Single Photon Emission Computed Tomography.” Ieee Transactions on Nuclear Science 27, no. 3 (January 1, 1980): 1137–53. https://doi.org/10.1109/TNS.1980.4330986.
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  - Jaszczak, R. J., R. E. Coleman, and Chun Bin Lim. “SPECT: single photon emission computed tomography.” Ieee Trans. Nucl. Sci. (Usa) ns27, no. 3 (1980): 1137–53.
  - Lim, C. B., L. T. Chang, and R. J. Jaszczak. “Performance analysis of three camera configurations for single photon emission computed tomography.” Ieee Transactions on Nuclear Science 27, no. 1 (January 1, 1980): 559–68. https://doi.org/10.1109/TNS.1980.4330889.
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  - Lim, Chun Bin, Lee Tzuu Chang, and R. J. Jaszczak. “Performance analysis of three camera configurations for single photon emission computed tomography.” Ieee Trans. Nucl. Sci. (Usa) ns-27, no. 1 (1980): 559–68.
  - Jaszczak, R. J., L. T. Chang, N. A. Stein, and F. E. Moore. “Whole-body single-photon emission computed tomography using dual, large-field-of-view scintillation cameras.” Phys Med Biol 24, no. 6 (November 1979): 1123–43. https://doi.org/10.1088/0031-9155/24/6/003.
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  - JASZCZAK, R. J. “Whole-body singlephoton emission computed tomography using sual, large-field-of-view scintillation cameras.” Phys Med Biol 24, no. 6 (1979): 1123–43.
  - Jaszczak, R. J., L. T. Chang, and P. H. Murphy. “Single photon emission computed tomography using multi-slice fan beam collimators.” Ieee Transactions on Nuclear Science 26, no. 1 (January 1, 1979): 610–18. https://doi.org/10.1109/TNS.1979.4329698.
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  - Jaszczak, R. J., Lee-Tzuu Chang, and P. H. Murphy. “Single photon emission computed tomography using multi-slice fan beam collimators.” Ieee Trans. Nucl. Sci. (Usa) ns-26, no. 1st1 (1979): 610–18.
  - Jaszczak, R. J., P. H. Murphy, D. Huard, and J. A. Burdine. “Radionuclide emission computed tomography of the head with 99mCc and a scintillation camera.” J Nucl Med 18, no. 4 (April 1977): 373–80.
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  - Muehllehner, G., R. J. Jaszczak, and R. N. Beck. “The reduction of coincidence loss in radionuclide imaging cameras through the use of composite filters.” Phys Med Biol 19, no. 4 (July 1974): 504–10. https://doi.org/10.1088/0031-9155/19/4/009.
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  - Jaszczak, R. J. “Line spread response for a scintillation camera and movable filter plate system.” Phys Med Biol 19, no. 3 (May 1974): 362–72. https://doi.org/10.1088/0031-9155/19/3/007.
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  - Whitehead, F. R. “Use of an array of three off-axis zone plates for large field of view gamma ray imaging.” Proceedings of Spie the International Society for Optical Engineering 43 (May 1, 1974): 3–10. https://doi.org/10.1117/12.953883.
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  - Jaszczak, R. J., F. E. Moore, and F. R. Whitehead. “Use of an array of three off axis zone plates for large field of view gamma ray imaging.” Proc.Soc.Photo Opt.Instr.Engin. Vol. 43 (January 1, 1974): 3–9.
  - Jaszczak, R. J. “Increased resolving power from scintillation cameras using electronic signal processing and a movable filter plate.” J Nucl Med 14, no. 1 (January 1973): 14–20.
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  - Jaszczak, R. J., R. L. MacKlin, F. E. Dunnam, H. A. Van Rinsvelt, and R. H. Bloomer. “The use of a pulsed Van de Graaff accelerator and time-of-flight techniques to reduce backgrounds in (α,γ) spectroscopy experiments.” Review of Scientific Instruments 42, no. 1 (December 1, 1971): 44–48. https://doi.org/10.1063/1.1684874.
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  - Jaszczak, R. J., R. L. Macklin, and M. C. Taylor. “A proton recoil monitor for neutron flux measurements.” Review of Scientific Instruments 42, no. 2 (December 1, 1971): 240–43. https://doi.org/10.1063/1.1685054.
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  - Jaszczak, R. J., R. Nutt, and R. L. Macklin. “Fast neutron and gamma ray risetime differences for 8 to 10 MeV pulses in a large NaI(Tl) crystal.” Review of Scientific Instruments 41, no. 1 (December 1, 1970): 28–30. https://doi.org/10.1063/1.1684269.
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  - Jaszczak, R. J., J. H. Gibbons, and R. L. MacKlin. “C12(α,γ)O16 capture cross section below 3.2 MeV.” Physical Review C 2, no. 1 (January 1, 1970): 63–69. https://doi.org/10.1103/PhysRevC.2.63.
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  - Jaszczak, R. J., and R. L. Macklin. “C12(, )O16 capture cross section below 4.1 MeV.” Physical Review C 2, no. 6 (January 1, 1970): 2452–53. https://doi.org/10.1103/PhysRevC.2.2452.
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  - Jaszczak, R. J., R. L. MacKlin, and J. H. Gibbons. “C12(d, n)N13 total cross section from 1.2 to 4.5 MeV.” Physical Review 181, no. 4 (December 1, 1969): 1428–30. https://doi.org/10.1103/PhysRev.181.1428.
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  - Floyd, C. E., R. J. Jaszczak, and R. E. Coleman. “Image resampling on a cylindrical sector grid.” Ieee Trans. Med. Imaging (Usa) MI–5, no. 3 (n.d.): 128–31.
- Conference Papers
  - Marks, L. B., M. V. Lawrence, J. L. Hubbs, S. K. Das, J. Zhang, T. Z. Wong, R. J. Jaszczak, and S. Zhou. “The Impact of “Low-dose Lung Bath” on the Sensitivity of the Lung to Radiation: Are There Neighborhood Effects in the Lung?” In International Journal of Radiation Oncology*Biology*Physics, 75:S46–S46. Elsevier BV, 2009. https://doi.org/10.1016/j.ijrobp.2009.07.126.
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  - Metzler, Scott D., Roberto Accorsi, Ahmet S. Ayan, and Ronald J. Jaszczak. “First Experimental Results from a Prototype Rotating Slit-Slat Collimator.” In 2008 Ieee Nuclear Science Symposium and Medical Imaging Conference (2008 Nss/Mic), Vols 1 9, 4126-+. IEEE, 2009.
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  - Ter-Antonyan, Ruben, James E. Bowsher, Kim L. Greer, Scott D. Metzler, and Ronald J. Jaszczak. “High Sensitivity Collimators for Brain SPECT.” In 2008 Ieee Nuclear Science Symposium and Medical Imaging Conference (2008 Nss/Mic), Vols 1 9, 2958-+. IEEE, 2009.
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  - Metzler, S. D., R. Accorsi, A. S. Ayan, and R. J. Jaszczak. “First experimental results from a prototype rotating slit-slat collimator.” In Ieee Nuclear Science Symposium Conference Record, 4860–67, 2008. https://doi.org/10.1109/NSSMIC.2008.4774330.
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  - Metzler, S. D., R. Accorsi, A. S. Ayan, J. R. Novak, R. M. Lewitt, and R. J. Jaszczak. “Preliminary assessment of multislit-slat collimation for cardiac SPECT.” In Ieee Nuclear Science Symposium Conference Record, 5:3345–49, 2007. https://doi.org/10.1109/NSSMIC.2007.4436849.
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  - Bowsher, J. E., F. Yin, A. S. Chawla, K. L. Greer, R. J. Jaszczak, E. Samei, and C. G. Willett. “1032.” In International Journal of Radiation Oncology*Biology*Physics, 66:S147–48. Elsevier BV, 2006. https://doi.org/10.1016/j.ijrobp.2006.07.297.
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  - Zhang, J., S. Zhou, T. Z. Wong, E. S. Evans, R. S. Folz, R. E. Coleman, R. J. Jaszczak, and L. B. Marks. “1047.” In International Journal of Radiation Oncology*Biology*Physics, 66:S157–S157. Elsevier BV, 2006. https://doi.org/10.1016/j.ijrobp.2006.07.312.
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  - Accorsi, R., S. D. Metzler, J. R. Novak, A. S. Ayan, and R. J. Jaszczak. “Analytical derivation and experimental verification of a sensitivity formula for slit-slat SPECT collimation.” In Ieee Nuclear Science Symposium Conference Record, 5:2976–80, 2006. https://doi.org/10.1109/NSSMIC.2006.356500.
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  - Novak, J. R., S. D. Metzler, R. Accorsi, A. S. Ayan, and R. J. Jaszczak. “Experimental measurement of axial and transaxial resolutions of a slit-slat collimator and comparison to theoretical expectations.” In Ieee Nuclear Science Symposium Conference Record, 3:1832–36, 2006. https://doi.org/10.1109/NSSMIC.2006.354250.
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  - Metzler, S. D., and R. J. Jaszczak. “Simultaneous multi-head calibration for pinhole SPECT.” In Ieee Nuclear Science Symposium Conference Record, 5:2947–51, 2004.
  - Vemulapalli, S., S. D. Metzler, G. Akabani, N. Petry, N. J. Niehaus, X. L. Liu, N. H. Patil, et al. “Exogenously administered adult stem cells localize preferentially to the bone marrow and aorta in atherosclerotic mice: In vivo localization and quantification with ultra high-resolution pinhole single photon emission computed tomography.” In Circulation, 110:435–435. LIPPINCOTT WILLIAMS & WILKINS, 2004.
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  - Metzler, S. D., K. L. Greer, and R. J. Jaszczak. “Laser alignment system for helical pinhole SPECT.” In Ieee Nuclear Science Symposium Conference Record, 3:1860–64, 2003.
  - Metzler, S. D., K. L. Greer, and R. J. Jaszczak. “The effects of mechanical and electronic shifts on pinhole SPECT resolution.” In Journal of Nuclear Medicine, 44:289P-289P. SOC NUCLEAR MEDICINE INC, 2003.
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  - Cao, Z., D. R. Gilland, B. A. Mair, and R. J. Jaszczak. “3D Motion Estimation with Image Reconstruction for Gated Cardiac ECT.” In Ieee Nuclear Science Symposium and Medical Imaging Conference, 3:1869–73, 2002.
  - Peter, J., R. J. Jaszczak, B. F. Hutton, and H. M. Hudson. “Fully adaptive temporal regression smoothing in gated cardiac SPECT image reconstruction.” In Ieee Transactions on Nuclear Science, 48:16–23, 2001. https://doi.org/10.1109/23.910826.
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  - Peter, J., and R. J. Jaszczak. “©Monte Carlo simulation of radiological imaging systems and the recovery of the Poisson distribution.” In Ieee Nuclear Science Symposium and Medical Imaging Conference, Vol. 3, 2000.
  - Gilland, D. R., R. J. Jaszczak, and R. E. Coleman. “Transmission CT reconstruction for offset fan beam collimation.” In 1999 Ieee Nuclear Science Symposium Conference Record, Vols 1 3, 897–901. IEEE, 1999.
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  - Laading, J. K., C. McCulloch, V. E. Johnson, D. R. Gilland, and R. J. Jaszczak. “A hierarchical feature based deformation model applied to 4D cardiac SPECT data.” In Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 1613:266–79, 1999.
  - Peter, J., R. J. Jaszczak, B. F. Hutton, and H. M. Hudson. “Fully adaptive variable order temporal regression smoothing in gated cardiac SPECT image reconstruction.” In 1999 Ieee Nuclear Science Symposium Conference Record, Vols 1 3, 1397–1401. IEEE, 1999.
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  - Tenney, C. R., M. P. Tornai, M. F. Smith, T. G. Turkington, and R. J. Jaszczak. “Uranium pinhole collimators for positron emission SPECT imaging of small volumes.” In 1999 Ieee Nuclear Science Symposium Conference Record, Vols 1 3, 1038–42. IEEE, 1999.
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  - Tornai, M. P., J. E. Bowsher, C. D. Stone, D. R. Gilland, R. J. Jaszczak, and G. Enos. “Evaluation of transmission source collimation for SPECT attenuation compensation.” In 1999 Ieee Nuclear Science Symposium Conference Record, Vols 1 3, 1368–72. IEEE, 1999.
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  - Trotter, D. E. G., J. E. Bowsher, and R. J. Jaszczak. “Absolute quantitation of I-131 activity distributions using a high-resolution rotating collimator: A phantom study.” In 1999 Ieee Nuclear Science Symposium Conference Record, Vols 1 3, 1622–26. IEEE, 1999.
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  - Jang, S., R. J. Jaszczak, B. M. W. Tsui, C. E. Metz, D. R. Gilland, T. G. Turkington, and R. E. Coleman. “Evaluation of SPECT myocardial lesion detectability with and without nonuniform attenuation compensation using an anthropomorphic female phantom.” In 1997 Ieee Nuclear Science Symposium Conference Record, Vols 1 & 2, edited by O. Nalcioglu, 998–1002. IEEE, 1998.
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  - Scarfone, C., R. J. Jaszczak, D. R. Gilland, K. L. Greer, M. T. Munley, L. B. Marks, and R. E. Coleman. “Bayesian SPECT lung imaging for visualization and quantification of pulmonary perfusion.” In 1997 Ieee Nuclear Science Symposium Conference Record, Vols 1 & 2, edited by O. Nalcioglu, 1135–39. IEEE, 1998.
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  - Peter, J., M. F. Smith, C. Scarfone, R. J. Jaszczak, and R. E. Coleman. “Synergetically generalized expectation maximization algorithm for ECT.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 2:1308–12, 1997.
  - Smith, M. F., and R. J. Jaszczak. “Rotating parallel hole collimator for high resolution imaging of medium energy radionuclides.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 2:1018–22, 1997.
  - Stone, C. D., M. F. Smith, K. L. Greer, and R. J. Jaszczak. “Combined half-cone beam and parallel hole collimation system for SPECT brain imaging.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 2:1313–17, 1997.
  - Gilland, D. R., H. Wang, R. E. Coleman, and R. J. Jaszczak. “Long focal length, asymmetric fan beam collimation for transmission acquisition with a triple camera SPECT system.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 2:1372–76, 1996.
  - Peter, J., R. Freyer, M. F. Smith, C. Scarfone, R. E. Coleman, and R. J. Jaszczak. “Nuclear medicine image segmentation using a connective network.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 3:1782–86, 1996.
  - Smith, M. F., R. J. Jaszczak, and H. Wang. “Pinhole aperture design for ¹³¹I tumor imaging.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 2:1109–13, 1996.
  - Wang, H., C. Scarfone, K. L. Greer, R. E. Coleman, and R. J. Jaszczak. “Prone breast tumor imaging using vertical axis-of-rotation (VAOR) SPECT systems: An initial study.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 2:1387–91, 1996.
  - Wang, H. L., R. J. Jaszczak, and R. E. Coleman. “Determination of collimates and acquisition parameters for astigmatic SPECT imaging.” In 1995 Ieee Nuclear Science Symposium and Medical Imaging Conference Record, Vols 1 3, edited by P. A. Moonier, 1116–20. I E E E, 1996.
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  - McCormick, J. W., R. J. Jaszczak, C. Scarfone, D. R. Gilland, and R. E. Coleman. “Effect of truncation reduction in fan beam transmission for attenuation correction of cardiac SPECT.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 2:1252–56, 1995.
  - Smith, M. F., R. J. Jaszczak, H. Wang, and J. Li. “Application of lead and tungsten pinhole inserts to I-131 SPECT tumor imaging: a Monte Carlo investigation.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 3:1529–33, 1995.
  - Wang, H., R. J. Jaszczak, and R. E. Coleman. “Determination of collimator and acquisition parameters for astigmatic SPECT imaging.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 2:1115–20, 1995.
  - Wang, H., R. J. Jaszczak, and R. E. Coleman. “Monte Carlo modeling of penetration effect for iodine-131 pinhole imaging.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 3:1558–62, 1995.
  - Jang, S., R. J. Jaszczak, J. Li, V. J. Lowe, K. L. Greer, and R. E. Coleman. “Scatter corrections for simultaneously acquired dual-isotope SPECT imaging using three windows.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 4:1493–97, 1995.
  - Jang, S., R. J. Jaszczak, K. L. Greer, and R. E. Coleman. “Evaluation of ejection fraction measurements in gated cardiac imaging using dynamic cardiac phantoms.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 4:1735–38, 1995.
  - Johnson, E. L., R. J. Jaszczak, H. Wang, J. Li, K. L. Greer, and R. E. Coleman. “Pinhole SPECT for imaging in-111 in the head.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 4:1888–92, 1995.
  - Kadrmas, D. J., R. J. Jaszczak, and R. E. Coleman. “FB-TCT truncation suppression by combining two shifted scans with extrapolation techniques.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 3:1247–50, 1995.
  - Li, J., R. J. Jaszczak, and R. E. Coleman. “Quantitative small field-of-view pinhole SPECT imaging: initial evaluation.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 3:1187–91, 1995.
  - Smith, M. F., D. R. Gilland, R. J. Jaszczak, and R. E. Coleman. “Estimation of tumor activities from simulated I-123 SPECT studies.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 4:1920–24, 1995.
  - Wang, H., R. J. Jaszczak, D. Kadrmas, J. Li, J. W. McCormick, and R. E. Coleman. “Experimental evaluation of a tellurium-123m transmission source to determine attenuation maps for SPECT.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 4:1553–57, 1995.
  - Wang, H., R. J. Jaszczak, and R. E. Coleman. “Filtered-backprojection algorithm for astigmatic SPECT reconstruction.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 4:1925–29, 1995.
  - Jang, S., R. J. Jaszczak, J. Li, J. F. Debatin, S. N. Nadel, A. J. Evans, K. L. Greer, and R. E. Coleman. “Study of cardiac ejection fraction and volume measurements using a dynamic cardiac phantom and SPECT.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 1581–85, 1994.
  - Li, J., R. J. Jaszczak, and R. E. Coleman. “Maximum likelihood reconstruction for converging beam SPECT with a displaced center-of-rotation.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 1769–73, 1994.
  - Wang, H., R. J. Jaszczak, and R. E. Coleman. “Information analysis for 3D SPECT imaging of radionuclide distributions in attenuating objects.” In Ieee Nuclear Science Symposium &Amp; Medical Imaging Conference, 1386–90, 1994.
  - Jaszczak, R. J. “SPECT: Recent advancements in instrumentation and image reconstruction.” In Kakuigaku, Vol. 30, 1993.
  - JASZCZAK, R. J., D. R. GILLAND, S. JANG, K. L. GREER, and R. E. COLEMAN. “FAST TRANSMISSION CT FOR DETERMINING ATTENUATION MAPS USING A COLLIMATED, SHUTTERED LINE SOURCE AND FAN-BEAM COLLIMATION.” In Conference Record of the 1992 Ieee Nuclear Science Symposium and Medical Imaging Conference, Vols 1 and 2, edited by G. T. Alley, 991–93. I E E E, 1992.
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  - LI, J., R. J. JASZCZAK, H. WANG, K. L. GREER, and R. E. COLEMAN. “DETERMINATION OF BOTH MECHANICAL AND ELECTRONIC SHIFTS IN CONE-BEAM SPECT.” In Conference Record of the 1992 Ieee Nuclear Science Symposium and Medical Imaging Conference, Vols 1 and 2, edited by G. T. Alley, 1062–64. I E E E, 1992.
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  - SMITH, M. F., R. J. JASZCZAK, and R. E. COLEMAN. “SIMULTANEOUSLY CONSTRAINING SPECT ACTIVITY ESTIMATES WITH PRIMARY AND SECONDARY ENERGY WINDOW PROJECTION DATA.” In Conference Record of the 1992 Ieee Nuclear Science Symposium and Medical Imaging Conference, Vols 1 and 2, edited by G. T. Alley, 1175–77. I E E E, 1992.
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  - TURKINGTON, T. G., D. R. GILLAND, M. F. SMITH, K. L. GREER, R. J. JASZCZAK, and R. E. COLEMAN. “A DIRECT MEASUREMENT OF SKULL ATTENUATION FOR QUANTITATIVE SPECT.” In Conference Record of the 1992 Ieee Nuclear Science Symposium and Medical Imaging Conference, Vols 1 and 2, edited by G. T. Alley, 1053–55. I E E E, 1992.
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  - WANG, H. L., K. L. GREER, R. J. JASZCZAK, and R. E. COLEMAN. “MONTE-CARLO MODELING OF CONE-BEAM COLLIMATION WITH SCATTERING IN OBJECTS.” In Conference Record of the 1992 Ieee Nuclear Science Symposium and Medical Imaging Conference, Vols 1 and 2, edited by G. T. Alley, 1224–26. I E E E, 1992.
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  - WANG, H. L., R. J. JASZCZAK, E. G. HAWMAN, K. L. GREER, and R. E. COLEMAN. “FORCED DETECTION FOR ASTIGMATIC COLLIMATION BASED ON CIRCULAR ACCEPTANCE CONE APPROXIMATION.” In Conference Record of the 1992 Ieee Nuclear Science Symposium and Medical Imaging Conference, Vols 1 and 2, edited by G. T. Alley, 1092–94. I E E E, 1992.
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  - Liang, Z., Ronald J. Jaszczak, and R Edward Coleman. “On Reconstruction and Segmentation of Piecewise Continous Images.” In Ipmi, edited by Alan C. F. Colchester and David J. Hawkes, 511:94–104. Springer, 1991.
  - Smith, M. F., R. J. Jaszczak, C. E. Floyd, K. L. Greer, and R. E. Coleman. “Interactive visualization of three-dimensional SPECT cardiac images,” 213–19, 1990.
  - Gilland, D. R., R. J. Jaszczak, T. G. Turkington, K. L. Greer, and R. E. Coleman. “Quantitative Spect Imaging With Indium-111.” In 1990 Ieee Nuclear Science Symposium Conference Record. IEEE, n.d. https://doi.org/10.1109/nssmic.1990.693531.
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  - Gilland, D. R., R. J. Jaszczak, Z. Liang, K. L. Greer, and R. E. Coleman. “Quantitative SPECT brain imaging: effects of attenuation and detector responseat.” In Conference Record of the 1991 Ieee Nuclear Science Symposium and Medical Imaging Conference. IEEE, n.d. https://doi.org/10.1109/nssmic.1991.259210.
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  - Jaszczak, R. J., D. C. Hoffman, and R. P. DeVito. “Variance Propagation For Spect With Energy-weighted Acquisition.” In 1990 Ieee Nuclear Science Symposium Conference Record. IEEE, n.d. https://doi.org/10.1109/nssmic.1990.693526.
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  - Li, J., R. J. Jaszczak, T. G. Turkington, K. L. Greer, and R. E. Coleman. “Experimental evaluation of combined cone beam with parallel hole collimation SPECT data.” In Conference Record of the 1991 Ieee Nuclear Science Symposium and Medical Imaging Conference. IEEE, n.d. https://doi.org/10.1109/nssmic.1991.259215.
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  - Metzler, Scott D., and Ronald J. Jaszczak. “Estimates of Axial and Transaxial Resolution for One-, Two-, and Three-Camera Helical Pinhole SPECT,” 177–82. Springer US, n.d. https://doi.org/10.1007/0-387-25294-0_9.
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  - Smith, M. F., C. E. Floyd, R. J. Jaszczak, and R. E. Coleman. “Evaluation of projection pixel-dependent and pixel-independent scatter correction in SPECT.” In Conference Record of the 1991 Ieee Nuclear Science Symposium and Medical Imaging Conference. IEEE, n.d. https://doi.org/10.1109/nssmic.1991.259221.
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  - Smith, M. F., C. E. Floyd, R. L. Jaszczak, and R. E. Coleman. “Reconstruction Of SPECT Images Using Generalized Matrix Inverses.” In 1990 Ieee Nuclear Science Symposium Conference Record. IEEE, n.d. https://doi.org/10.1109/nssmic.1990.693591.
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  - Turkington, T. G., R. J. Jaszczak, K. L. Greer, R. E. Coleman, and C. A. Pelizzari. “Correlation of SPECT images of a three-dimensional brain phantom using a surface fitting technique.” In Conference Record of the 1991 Ieee Nuclear Science Symposium and Medical Imaging Conference. IEEE, n.d. https://doi.org/10.1109/nssmic.1991.259297.
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  - Wang, H., R. J. Jaszczak, D. R. Gilland, K. L. Greer, and R. E. Coleman. “Solid geometry based modelling of non-uniform attenuation and Compton scattering in objects for SPECT imaging systems.” In Conference Record of the 1991 Ieee Nuclear Science Symposium and Medical Imaging Conference. IEEE, n.d. https://doi.org/10.1109/nssmic.1991.259211.
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