Ehsan Abadi | Scholars@Duke

Ehsan Abadi
Assistant Professor in Radiology

Ehsan Abadi, PhD is an imaging scientist at Duke University. He is an Assistant Professor in the departments of Radiology and Electrical & Computer Engineering, a faculty member in the Medical Physics Graduate Program and Carl E. Ravin Advanced Imaging Laboratories, and a co-Lead in the Center for Virtual Imaging Trials.

Ehsan's research focuses are in quantitative imaging and optimization, CT imaging, lung diseases, computational human modeling, and medical imaging simulation. He is actively contributing to developments of computational anthropomorphic models with various diseases such as COPD, as well as scanner-specific simulation platforms (e.g., DukeSim ) of imaging systems. His current focus is to identify and optimize imaging systems for accurate and precise quantifications of lung diseases.

Current Appointments & Affiliations

Assistant Professor in Radiology, Radiology, Clinical Science Departments 2021
Assistant Professor in the Department of Electrical and Computer Engineering, Electrical and Computer Engineering, Pratt School of Engineering 2020

Contact Information

2424 Erwin Rd (Hock Plaza), Suite 302, Durham, NC 27705
ehsan.abadi@duke.edu
Center for Virtual Imaging Trials
Duke Radiology Page
Google Scholar
LinkedIn

Background
Education, Training, & Certifications
- Ph.D., Duke University 2018
Previous Appointments & Affiliations
- Assistant Professor in Radiology, Radiology, Clinical Science Departments 2020
Expertise
Subject Headings
Research
Selected Grants
- Accuracy and Precision in CT Quantification of COPD Through Virtual Imaging Trials awarded by National Institutes of Health 2021 - 2026
- Simulation Tools for 3D and 4D CT and Dosimetry awarded by National Institutes of Health 2007 - 2024
- Photon Counting Computed Tomography for Detection of Small Liver Metastases: Comparison to Conventional and Dual-Energy Systems awarded by Society of Abdominal Radiology 2022 - 2024
External Relationships
- METIS Health Analytics, LLC
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Häggmark, Ilian, Kian Shaker, Sven Nyrén, Bariq Al-Amiry, Ehsan Abadi, William P Segars, Ehsan Samei, and Hans M Hertz. “Phase-contrast virtual chest radiography.” Proc Natl Acad Sci U S A 120, no. 1 (January 3, 2023): e2210214120. https://doi.org/10.1073/pnas.2210214120.
    Full Text Link to Item
  - Abadi, Ehsan, Giavanna Jadick, David A. Lynch, W Paul Segars, and Ehsan Samei. “Emphysema Quantifications With CT Scan: Assessing the Effects of Acquisition Protocols and Imaging Parameters Using Virtual Imaging Trials.” Chest, December 1, 2022. https://doi.org/10.1016/j.chest.2022.11.033.
    Full Text Link to Item
  - Shankar, Sachin S., Nicholas Felice, Eric A. Hoffman, Jarron Atha, Jessica C. Sieren, Ehsan Samei, and Ehsan Abadi. “Task-based validation and application of a scanner-specific CT simulator using an anthropomorphic phantom.” Med Phys 49, no. 12 (December 2022): 7447–57. https://doi.org/10.1002/mp.15967.
    Full Text Link to Item
  - Sharma, Shobhit, Debashish Pal, Ehsan Abadi, Thomas Sauer, Paul Segars, Jiang Hsieh, and Ehsan Samei. “Can photon-counting CT improve estimation accuracy of morphological radiomics features? A simulation study for assessing the quantitative benefits from improved spatial resolution in deep silicon-based photon-counting CT.” Acad Radiol, July 21, 2022. https://doi.org/10.1016/j.acra.2022.06.018.
    Full Text Link to Item
  - Sauer, Thomas J., Ehsan Abadi, Paul Segars, and Ehsan Samei. “Anatomically and physiologically informed computational model of hepatic contrast perfusion for virtual imaging trials.” Med Phys 49, no. 5 (May 2022): 2938–51. https://doi.org/10.1002/mp.15562.
    Full Text Link to Item
  - Hoye, Jocelyn, Taylor Smith, Ehsan Abadi, Justin B. Solomon, and Ehsan Samei. “Correction for Systematic Bias in Radiomics Measurements Due to Variation in Imaging Protocols.” Acad Radiol 29, no. 4 (April 2022): e61–72. https://doi.org/10.1016/j.acra.2021.04.012.
    Full Text Link to Item
  - Sugiura, Teruyo, Rie Tanaka, Ehsan Samei, William Paul Segars, Ehsan Abadi, Kazuo Kasahara, Noriyuki Ohkura, Masaya Tamura, and Isao Matsumoto. “Quantitative analysis of changes in lung density by dynamic chest radiography in association with CT values: a virtual imaging study and initial clinical corroboration.” Radiol Phys Technol 15, no. 1 (March 2022): 45–53. https://doi.org/10.1007/s12194-021-00648-w.
    Full Text Link to Item
  - Abadi, Ehsan, Cindy McCabe, Brian Harrawood, Saman Sotoudeh-Paima, W Paul Segars, and Ehsan Samei. “Development and Clinical Applications of a Virtual Imaging Framework for Optimizing Photon-counting CT.” Proc Spie Int Soc Opt Eng 12031 (2022). https://doi.org/10.1117/12.2612079.
    Full Text Link to Item
  - Fu, Wanyi, Shobhit Sharma, Ehsan Abadi, Alexandros-Stavros Iliopoulos, Qi Wang, Joseph Y. Lo, Xiaobai Sun, William P. Segars, and Ehsan Samei. “Corrections to "iPhantom: A Framework for Automated Creation of Individualized Computational Phantoms and its Application to CT Organ Dosimetry".” Ieee J Biomed Health Inform 26, no. 1 (January 2022): 478. https://doi.org/10.1109/JBHI.2021.3130397.
    Full Text Link to Item
  - Shankar, Sachin S., Eric A. Hoffman, Jarron Atha, Jessica C. Sieren, Ehsan Samei, and Ehsan Abadi. “Inter- and intra-scan variability for lung imaging quantifications via CT.” Proc Spie Int Soc Opt Eng 12031 (2022). https://doi.org/10.1117/12.2613191.
    Full Text Link to Item
  - Shankar, Sachin S., Giavanna L. Jadick, Eric A. Hoffman, Jarron Atha, Jessica C. Sieren, Ehsan Samei, and Ehsan Abadi. “Scanner-specific validation of a CT simulator using a COPD-emulated anthropomorphic phantom.” Proc Spie Int Soc Opt Eng 12031 (2022). https://doi.org/10.1117/12.2613212.
    Full Text Link to Item
  - Sotoudeh-Paima, Saman, W Paul Segars, Ehsan Samei, and Ehsan Abadi. “Photon-counting CT versus conventional CT for COPD quantifications: intra-scanner optimization and inter-scanner assessments using virtual imaging trials.” Proc Spie Int Soc Opt Eng 12031 (2022). https://doi.org/10.1117/12.2613003.
    Full Text Link to Item
  - Zarei, Mojtaba, Saman Sotoudeh-Paima, Ehsan Abadi, and Ehsan Samei. “A truth-based primal-dual learning approach to reconstruct CT images utilizing the virtual imaging trial platform.” Proc Spie Int Soc Opt Eng 12031 (2022). https://doi.org/10.1117/12.2613168.
    Full Text Link to Item
  - Smith, Taylor Brunton, Ehsan Abadi, Justin Solomon, and Ehsan Samei. “Development, validation, and relevance of in vivo low-contrast task transfer function to estimate detectability in clinical CT images.” Med Phys 48, no. 12 (December 2021): 7698–7711. https://doi.org/10.1002/mp.15309.
    Full Text Link to Item
  - Fricks, Rafael B., Francesco Ria, Hamid Chalian, Pegah Khoshpouri, Ehsan Abadi, Lorenzo Bianchi, William P. Segars, and Ehsan Samei. “Deep learning classification of COVID-19 in chest radiographs: performance and influence of supplemental training.” J Med Imaging (Bellingham) 8, no. 6 (November 2021): 064501. https://doi.org/10.1117/1.JMI.8.6.064501.
    Full Text Open Access Copy Link to Item
  - Jadick, Giavanna, Ehsan Abadi, Brian Harrawood, Shobhit Sharma, W Paul Segars, and Ehsan Samei. “A scanner-specific framework for simulating CT images with tube current modulation.” Phys Med Biol 66, no. 18 (September 13, 2021). https://doi.org/10.1088/1361-6560/ac2269.
    Full Text Link to Item
  - Smith, Taylor Brunton, Ehsan Abadi, Thomas J. Sauer, Wanyi Fu, Justin Solomon, and Ehsan Samei. “Development and validation of an automated methodology to assess perceptual in vivo noise texture in liver CT.” Journal of Medical Imaging (Bellingham, Wash.) 8, no. 5 (September 2021): 052113. https://doi.org/10.1117/1.jmi.8.5.052113.
    Full Text
  - Fu, Wanyi, Shobhit Sharma, Ehsan Abadi, Alexandros-Stavros Iliopoulos, Qi Wang, Joseph Y. Lo, Xiaobai Sun, William P. Segars, and Ehsan Samei. “iPhantom: A Framework for Automated Creation of Individualized Computational Phantoms and Its Application to CT Organ Dosimetry.” Ieee J Biomed Health Inform 25, no. 8 (August 2021): 3061–72. https://doi.org/10.1109/JBHI.2021.3063080.
    Full Text Link to Item
  - Tanaka, Rie, Ehsan Samei, William Paul Segars, Ehsan Abadi, Isao Matsumoto, Masaya Tamura, Munehisa Takata, and Tsuneo Yamashiro. “Assessment of pleural invasion and adhesion of lung tumors with dynamic chest radiography: A virtual clinical imaging study.” Med Phys 48, no. 4 (April 2021): 1616–23. https://doi.org/10.1002/mp.14750.
    Full Text Link to Item
  - Sharma, Shobhit, Ehsan Abadi, Anuj Kapadia, W Paul Segars, and Ehsan Samei. “A GPU-accelerated framework for rapid estimation of scanner-specific scatter in CT for virtual imaging trials.” Phys Med Biol 66, no. 7 (March 23, 2021). https://doi.org/10.1088/1361-6560/abeb32.
    Full Text Link to Item
  - Fricks, Rafael, Ehsan Abadi, Francesco Ria, and Ehsan Samei. “Classification of COVID-19 in chest radiographs: assessing the impact of imaging parameters using clinical and simulated images.” Proc. Spie 11597, Medical Imaging 2021: Computer Aided Diagnosis, 115970a 115970A (February 15, 2021): 1–11. https://doi.org/10.1117/12.2582223.
    Full Text Open Access Copy Link to Item
  - Ria, Francesco, Taylor Smith, Ehsan Abadi, Justin Solomon, and Ehsan Samei. “Estimation of in vivo noise in clinical CT images: comparison and validation of three different methods against ensemble noise gold-standard.” Proc. Spie 11595, Medical Imaging 2021: Physics of Medical Imaging, 115952p 115952P (February 15, 2021): 1–7.
    Open Access Copy Link to Item
  - Abadi, Ehsan, W. Paul Segars, Hamid Chalian, and Ehsan Samei. “Virtual Imaging Trials for Coronavirus Disease (COVID-19).” Ajr Am J Roentgenol 216, no. 2 (February 2021): 362–68. https://doi.org/10.2214/AJR.20.23429.
    Full Text Link to Item
  - Ria, Francesco, Wanyi Fu, Hamid Chalian, Ehsan Abadi, Paul W. Segars, Rafael Fricks, Pegah Khoshpouri, and Ehsan Samei. “A comparison of COVID-19 and imaging radiation risk in clinical patient populations.” J Radiol Prot 40, no. 4 (November 11, 2020). https://doi.org/10.1088/1361-6498/abbf3b.
    Full Text Open Access Copy Link to Item
  - Abadi, Ehsan, William P. Segars, Benjamin M. W. Tsui, Paul E. Kinahan, Nick Bottenus, Alejandro F. Frangi, Andrew Maidment, Joseph Lo, and Ehsan Samei. “Virtual clinical trials in medical imaging: a review.” J Med Imaging (Bellingham) 7, no. 4 (July 2020): 042805. https://doi.org/10.1117/1.JMI.7.4.042805.
    Full Text Link to Item
  - Abadi, Ehsan, William P. Segars, Brian Harrawood, Shobhit Sharma, Anuj Kapadia, and Ehsan Samei. “Virtual clinical trial for quantifying the effects of beam collimation and pitch on image quality in computed tomography.” J Med Imaging (Bellingham) 7, no. 4 (July 2020): 042806. https://doi.org/10.1117/1.JMI.7.4.042806.
    Full Text Link to Item
  - Setiawan, Hananiel, Francesco Ria, Ehsan Abadi, Wanyi Fu, Taylor Smith, and Ehsan Samei. “Patient-Informed and Physiology-Based Modelling of Hepatic Contrast Dynamics in Contrast-Enhanced CT Imaging,” March 16, 2020.
    Open Access Copy
  - Setiawan, Hananiel, Francesco Ria, Ehsan Abadi, Wanyi Fu, Taylor B. Smith, and Ehsan Samei. “Modeling Patient-Informed Liver Contrast Perfusion in Contrast-enhanced Computed Tomography.” J Comput Assist Tomogr 44, no. 6 (2020): 882–86. https://doi.org/10.1097/RCT.0000000000001095.
    Full Text Open Access Copy Link to Item
  - Sharma, Shobhit, Anuj Kapadia, Wanyi Fu, Ehsan Abadi, W Paul Segars, and Ehsan Samei. “A real-time Monte Carlo tool for individualized dose estimations in clinical CT.” Phys Med Biol 64, no. 21 (November 4, 2019): 215020. https://doi.org/10.1088/1361-6560/ab467f.
    Full Text Link to Item
  - Cheng, Yuan, Ehsan Abadi, Taylor Brunton Smith, Francesco Ria, Mathias Meyer, Daniele Marin, and Ehsan Samei. “Validation of algorithmic CT image quality metrics with preferences of radiologists.” Med Phys 46, no. 11 (November 2019): 4837–46. https://doi.org/10.1002/mp.13795.
    Full Text Open Access Copy Link to Item
  - Cheng, Yuan, Ehsan Abadi, Taylor Brunton Smith, Francesco Ria, Mathias Meyer, Daniele Marin, and Ehsan Samei. “Validation of algorithmic CT image quality metrics with preferences of radiologists.” Medical Physics 46, no. 11 (November 1, 2019): 4837–46. https://doi.org/10.1002/mp.13795].
    Full Text Open Access Copy Link to Item
  - Abadi, Ehsan, Brian Harrawood, Jayasai R. Rajagopal, Shobhit Sharma, Anuj Kapadia, William Paul Segars, Karl Stierstorfer, Martin Sedlmair, Elizabeth Jones, and Ehsan Samei. “Development of a scanner-specific simulation framework for photon-counting computed tomography.” Biomed Phys Eng Express 5, no. 5 (August 2019). https://doi.org/10.1088/2057-1976/ab37e9.
    Full Text Link to Item
  - Robins, Marthony, Justin Solomon, Jocelyn Hoye, Ehsan Abadi, Daniele Marin, and Ehsan Samei. “Systematic analysis of bias and variability of texture measurements in computed tomography.” J Med Imaging (Bellingham) 6, no. 3 (July 2019): 033503. https://doi.org/10.1117/1.JMI.6.3.033503.
    Full Text Link to Item
  - Abadi, Ehsan, Brian Harrawood, Shobhit Sharma, Anuj Kapadia, William P. Segars, and Ehsan Samei. “DukeSim: A Realistic, Rapid, and Scanner-Specific Simulation Framework in Computed Tomography.” Ieee Trans Med Imaging 38, no. 6 (June 2019): 1457–65. https://doi.org/10.1109/TMI.2018.2886530.
    Full Text Link to Item
  - Abadi, Ehsan, William P. Segars, Gregory M. Sturgeon, Brian Harrawood, Anuj Kapadia, and Ehsan Samei. “Modeling "Textured" Bones in Virtual Human Phantoms.” Ieee Trans Radiat Plasma Med Sci 3, no. 1 (January 2019): 47–53. https://doi.org/10.1109/TRPMS.2018.2828083.
    Full Text Link to Item
  - Abadi, Ehsan, William P. Segars, Gregory M. Sturgeon, Justus E. Roos, Carl E. Ravin, and Ehsan Samei. “Modeling Lung Architecture in the XCAT Series of Phantoms: Physiologically Based Airways, Arteries and Veins.” Ieee Trans Med Imaging 37, no. 3 (March 2018): 693–702. https://doi.org/10.1109/TMI.2017.2769640.
    Full Text Link to Item
  - Abadi, Ehsan, Pooyan Sahbaee, and Ehsan Samei. “Effect of Iodine-based Contrast Material on Radiation Dose at CT.” Radiology 285, no. 3 (December 2017): 1053–54. https://doi.org/10.1148/radiol.2017171523.
    Full Text Link to Item
  - Abadi, Ehsan, Jeremiah Sanders, and Ehsan Samei. “Patient-specific quantification of image quality: An automated technique for measuring the distribution of organ Hounsfield units in clinical chest CT images.” Med Phys 44, no. 9 (September 2017): 4736–46. https://doi.org/10.1002/mp.12438.
    Full Text Link to Item
  - Sahbaee, Pooyan, Ehsan Abadi, W Paul Segars, Daniele Marin, Rendon C. Nelson, and Ehsan Samei. “The Effect of Contrast Material on Radiation Dose at CT: Part II. A Systematic Evaluation across 58 Patient Models.” Radiology 283, no. 3 (June 2017): 749–57. https://doi.org/10.1148/radiol.2017152852.
    Full Text Link to Item
  - Abadi, E., J. Sanders, G. Agasthya, P. Segars, and E. Samei. “TH-AB-207A-01: Contrast-Enhanced CT: Correlation of Radiation Dose and Biological Effect.” Med Phys 43, no. 6 (June 2016): 3859. https://doi.org/10.1118/1.4958077.
    Full Text Link to Item
  - Sanders, J., E. Abadi, B. Meng, and E. Samei. “SU-F-I-45: An Automated Technique to Measure Image Contrast in Clinical CT Images.” Med Phys 43, no. 6 (June 2016): 3397. https://doi.org/10.1118/1.4955873.
    Full Text Link to Item
  - Faranoush, Mohammad, Amir Abbas Hedayati Asl, Azim Mehrvar, Narjes Mehrvar, Rokhsaneh Zangooei, Ehsan Abadi, Mardawig Alebouyeh, and Maryam Tashvighi. “Consequences of delayed diagnosis in treatment of retinoblastoma.” Iran J Pediatr 24, no. 4 (August 2014): 381–86.
    Link to Item
- Conference Papers
  - Bhattarai, M., S. Sharma, S. Vrbaški, E. Abadi, W. P. Segars, A. Contillo, R. Longo, and E. Samei. “Simulation of the combined effects of charge sharing and pulse pileup in photon-counting CT.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 12031, 2022. https://doi.org/10.1117/12.2612663.
    Full Text
  - Clark, D. P., E. Abadi, N. Felice, W. P. Segars, E. Samei, and C. T. Badea. “Cardiac CT reconstruction for vendor-neutral virtual imaging trials.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 12031, 2022. https://doi.org/10.1117/12.2612950.
    Full Text
  - Dahal, L., F. I. Tushar, E. Abadi, R. B. Fricks, M. Mazurowski, W. P. Segars, E. Samei, and J. Y. Lo. “Virtual versus reality: external validation of COVID-19 classifiers using XCAT phantoms for chest radiography.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 12031, 2022. https://doi.org/10.1117/12.2612975.
    Full Text
  - McCabe, C., M. Zarei, W. P. Segars, E. Samei, and E. Abadi. “Optimization of imaging parameters of an investigational photon-counting CT prototype for lung lesion radiomics.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 12033, 2022. https://doi.org/10.1117/12.2612973.
    Full Text
  - Ria, F., G. L. Jadick, E. Abadi, J. B. Solomon, and E. Samei. “Comparing two different noise magnitude estimation methods in CT using virtual imaging trials.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 12031, 2022. https://doi.org/10.1117/12.2612219.
    Full Text Open Access Copy
  - Tanaka, R., W. P. Segars, E. Abadi, S. Minami, and E. Samei. “Optimization of imaging conditions in pediatric dynamic chest radiography: a virtual imaging trial.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 12031, 2022. https://doi.org/10.1117/12.2612720.
    Full Text
  - Tushar, F. I., E. Abadi, S. Sotoudeh-Paima, R. B. Fricks, M. A. Mazurowski, W. P. Segars, E. Samei, and J. Y. Lo. “Virtual vs. reality: External validation of COVID-19 classifiers using XCAT phantoms for chest computed tomography.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 12033, 2022. https://doi.org/10.1117/12.2613010.
    Full Text
  - Tushar, F. I., H. Nujaim, W. Fu, E. Abadi, M. A. Mazurowski, W. P. Segars, E. Samei, and J. Y. Lo. “Quality or quantity: toward a unified approach for multi-organ segmentation in body CT.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 12031, 2022. https://doi.org/10.1117/12.2613101.
    Full Text
  - Abadi, E., G. Jadick, E. A. Hoffman, D. Lynch, W. P. Segars, and E. Samei. “Copd quantifications via ct imaging: Ascertaining the effects of acquisition protocol using virtual imaging trial.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2581965.
    Full Text
  - Gann, A. M., E. Abadi, J. Hoye, T. J. Sauer, W. P. Segars, H. Chalian, and E. Samei. “An analysis of radiomics features in lung lesions in covid-19.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2582296.
    Full Text
  - Ishihara, N., R. Tanaka, W. P. Segars, E. Abadi, and E. Samei. “Estimation of lung volume changes from frontal and lateral views of dynamic chest radiography using a convolutional neural network model: A computational phantom study.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2579948.
    Full Text
  - Rajagopal, J. R., F. Farhadi, A. H. Negussie, E. Abadi, P. Sahbaee, B. Saboury, A. A. Malayeri, W. F. Pritchard, E. C. Jones, and E. Samei. “An experimental evaluation of material separability in photon-counting ct.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2581081.
    Full Text
  - Rajagopal, J. R., F. Farhadi, A. H. Negussie, E. Abadi, P. Sahbaee, B. Saboury, A. A. Malayeri, W. F. Pritchard, E. C. Jones, and E. Samei. “Multivariate snr in spectral computed tomography.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2581079.
    Full Text
  - Sauer, T. J., E. Abadi, W. P. Segars, and E. Samei. “Optimization of CT angiography using physiologically-informed computational plaques, dynamic XCAT phantoms, and physics-based CT simulation.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2582293.
    Full Text
  - Sugiura, T., R. Tanaka, W. P. Segars, E. Abadi, and E. Samei. “Correlation of respiratory changes in lung density on dynamic chest radiographs with changes in the ct value: A computational phantom study.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2579973.
    Full Text
  - Zarei, M., E. Abadi, R. Fricks, W. P. Segars, and E. Samei. “A probabilistic conditional adversarial neural network to reduce imaging variation in radiography.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2582336.
    Full Text
  - Zarei, M., E. Abadi, W. P. Segars, T. Richards, and E. Samei. “Multi-factorial optimization of imaging parameters for quantifying coronary stenosis in cardiac ct.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2582311.
    Full Text
  - Jadick, G., E. Abadi, B. Harrawood, S. Sharma, W. P. Segars, and E. Samei. “A framework to simulate ct images with tube current modulation.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11595, 2021. https://doi.org/10.1117/12.2580983.
    Full Text
  - Abadi, Ehsan, William Segars, Shobit Sharma, Francesco Ria, Hamid Chalian, and Ehsan Samei. “Virtual Imaging Trials for Novel Coronavirus Disease (COVID-19),” 2020.
  - “THE 2020 AAPM ANNUAL MEETING PROGRAM.” In Med Phys, 47:e255-2720, 2020. https://doi.org/10.1002/mp.14316.
    Full Text Open Access Copy Link to Item
  - Abadi, E., J. Rajagopal, T. Sauer, E. Jones, W. P. Segars, and E. Samei. “Optimization of energy thresholds in photon-counting CT via a virtual clinical trial.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11312, 2020. https://doi.org/10.1117/12.2549055.
    Full Text
  - Samei, E., E. Abadi, A. Kapadia, J. Lo, M. Mazurowski, and P. Segars. “Virtual imaging trials: An emerging experimental paradigm in imaging research and practice.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11312, 2020. https://doi.org/10.1117/12.2549818.
    Full Text
  - Smith, T. B., E. Abadi, T. J. Sauer, W. Fu, J. Solomon, and E. Samei. “In vivo noise texture estimation: Development and validation of an automated methodology.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11312, 2020. https://doi.org/10.1117/12.2549268.
    Full Text
  - Tanaka, R., E. Samei, W. P. Segars, E. Abadi, I. Matsumoto, M. Tamura, N. Ishihara, and T. Yamashiro. “Prediction of pleural invasion of lung cancer with dynamic chest radiography: A simulation study.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 11312, 2020. https://doi.org/10.1117/12.2547464.
    Full Text
  - Rajagopal, J. R., P. Sahbaee, E. Abadi, A. H. Negussie, W. F. Pritchard, B. J. Wood, E. C. Jones, and E. Samei. “Impact of energy threshold on material quantification of contrast agents in photon-counting CT.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10948, 2019. https://doi.org/10.1117/12.2512944.
    Full Text
  - Sauer, T. J., E. Abadi, P. Segars, and E. Samei. “Anatomically- and computationally-informed hepatic contrast perfusion simulations for use in virtual clinical trials.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10948, 2019. https://doi.org/10.1117/12.2513465.
    Full Text
  - Setiawan, H., E. Abadi, W. Fu, T. B. Smith, and E. Samei. “Patient-informed and physiology-based modelling of contrast dynamics in cross-sectional imaging.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10948, 2019. https://doi.org/10.1117/12.2513431.
    Full Text
  - Tanaka, R., E. Samei, P. Segars, E. Abadi, H. Roth, H. Oda, and K. Mori. “Dynamic chest radiography for pulmonary function diagnosis: A validation study using 4D extended cardiac-torso (XCAT) phantom.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10948, 2019. https://doi.org/10.1117/12.2512332.
    Full Text
  - Abadi, Ehsan, Brian Harrawood, Jayasai Rajagopal, Shobhit Sharma, Anuj Kapadia, Martin Sedlmair, Juan Carlos Ramirez-Giraldo, Karl Stierstorfer, W Paul Segars, and Ehsan Samei. “A framework for realistic virtual clinical trials in photon counting computed tomography.” In Medical Imaging 2019: Physics of Medical Imaging, 10948:109484F-109484F, 2019.
  - Abadi, Ehsan, W Paul Segars, Brian Harrawood, Shobhit Sharma, Thomas Sauer, Anuj Kapadia, and Ehsan Samei. “Trade-off between spatial details and motion artifact in multi-detector CT: A virtual clinical trial with 4D textured human models.” In Medical Imaging 2019: Physics of Medical Imaging, 10948:109482R-109482R, 2019.
  - Fu, Wanyi, Shobhit Sharma, Taylor Smith, Rui Hou, Ehsan Abadi, Vignesh Selvakumaran, Ruixiang Tang, et al. “Multi-organ segmentation in clinical-computed tomography for patient-specific image quality and dose metrology.” In Medical Imaging 2019: Physics of Medical Imaging, 10948:1094829–1094829, 2019.
  - Sharma, Shobhit, Ehsan Abadi, Anuj Kapadia, W Paul Segars, and Ehsan Samei. “A comprehensive GPU-based framework for scatter estimation in single source, dual source, and photon-counting CT.” In Medical Imaging 2019: Physics of Medical Imaging, 10948:109482V-109482V, 2019.
  - Lacy, T., aiping Ding, ehsan Abadi, yakun Zhang, F. Ria, E. Samei, and D. P. Frush. “Beyond the DRL: Applying Automated Quality Metrics to Assess Pediatric CT Program Liver Lesion Detection Performance,” 2018.
  - Lacy, tyler, aiping Ding, E. Abadi, yakun Zhang, F. Ria, E. Samei, and D. P. Frush. “A Novel Methodology for Automated Image Quality Assessment of Pediatric CT,” 2018.
  - Abadi, E., P. Segars, B. Harrawood, S. Sharma, A. Kapadia, and F. Samei. “Incorporating Respiratory Motion to High-Resolution Textured Computational Phantoms to Simulate Realistic Free-Breathing CT Images.” In Medical Physics, 45:E638–E638. WILEY, 2018.
    Link to Item
  - Abadi, E., B. Harrawood, A. Kapadia, W. P. Segars, and E. Samei. “Development of a fast, voxel-based, and scanner-specific CT simulator for image-quality-based virtual clinical trials.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10573, 2018. https://doi.org/10.1117/12.2293123.
    Full Text
  - Abadi, E., W. P. Segars, B. Harrawood, A. Kapadia, and E. Samei. “Virtual clinical trial in action: Textured XCAT phantoms and scanner-specific CT simulator to characterize noise across CT reconstruction algorithms.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10573, 2018. https://doi.org/10.1117/12.2294599.
    Full Text
  - Robins, M., J. Solomon, J. Hoye, E. Abadi, D. Marin, and E. Samei. “How reliable are texture measurements?” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10573, 2018. https://doi.org/10.1117/12.2294591.
    Full Text
  - Sauer, T. J., E. Abadi, J. Solomon, J. M. Hoye, and E. Samei. “Realistic lesion simulation: Application of hyperelastic deformation to lesion-local environment in lung CT.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10573, 2018. https://doi.org/10.1117/12.2294962.
    Full Text
  - Fenoli, J., S. Sharma, E. Abadi, P. Segars, E. Samei, and A. Kapadia. “Organ Dose Heterogeneity in Chest and Abdominopelvic CT Scans for a Population of Adult and Pediatric Phantoms: A Virtual Clinical Trial Study.” In Medical Physics, 45:E153–E153, 2018.
  - Fu, Wanyi, William P. Segars, Ehsan Abadi, Shobhit Sharma, Anuj J. Kapadia, and Ehsan Samei. “From patient-informed to patient-specific organ dose estimation in clinical computed tomography.” In Medical Imaging 2018: Physics of Medical Imaging, 10573:1057315–1057315, 2018.
  - Sharma, S., E. Abadi, P. Segars, A. Kapadia, and E. Samei. “A Real-Time Monte-Carlo Simulation Technique for Dose and Scatter Estimation in Virtual Clinical Trials for CT Imaging.” In Medical Physics, 45:E689–E689, 2018.
  - Sharma, Shobhit, Anuj Kapadia, Ehsan Abadi, Wanyi Fu, W Paul Segars, and Ehsan Samei. “A rapid GPU-based Monte-Carlo simulation tool for individualized dose estimations in CT.” In Medical Imaging 2018: Physics of Medical Imaging, 10573:105733V-105733V, 2018.
  - Ding, A., T. Smith, E. Abadi, F. Ria, J. Wilson, and E. Samei. “Robustness and Accuracy of An Automated Solution for Measuring Image Noise, Spatial Resolution, Contrast, and Dose in Clinical CT Images: Efforts Towards Patient-Specific Quantifications of CT Image Quality and Radiation Dose.” In Medical Physics, 6:3023–24. American Association of Physicists in Medicine, 2017.
  - Hoye, J., Y. Zhang, W. fu, E. Abadi, F. Ria, A. Kapadia, P. Segars, and E. Samei. “Organ Dose Estimation for CT Localizer Images.” In Medical Physics, 6:3301–3301. American Association of Physicists in Medicine, 2017.
  - Smith, T., E. Abadi, A. Ding, F. Ria, and E. samei. “Image Quality Monitoring: Variability in Contrast Enhancement Across a Clinical Population.” In Medical Physics, 6:3167–68. American Association of Physicists in Medicine, 2017.
  - Ding, A., T. Smith, E. Abadi, F. Ria, J. Wilson, and E. Samei. “Robustness and Accuracy of An Automated Solution for Measuring Image Noise, Spatial Resolution, Contrast, and Dose in Clinical CT Images: Efforts Towards Patient-Specific Quantifications of CT Image Quality and Radiation Dose.” In Medical Physics, 44:3023–24. WILEY, 2017.
    Link to Item
  - Hoye, J., Y. Zhang, W. Fu, E. Abadi, F. Ria, A. Kapadia, P. Segars, and E. Samei. “Organ Dose Estimation for CT Localizer Images.” In Medical Physics, 44:3301–3301. WILEY, 2017.
    Link to Item
  - Smith, T., E. Abadi, A. Ding, F. Ria, and E. Samei. “Image Quality Monitoring: Variability in Contrast Enhancement Across a Clinical Population.” In Medical Physics, 44:3167–68. WILEY, 2017.
    Link to Item
  - Abadi, E., G. M. Sturgeon, G. Agasthya, B. Harrawood, C. Hoeschen, A. Kapadia, W. P. Segars, and E. Samei. “Airways, vasculature, and interstitial tissue: Anatomically informed computational modeling of human lungs for virtual clinical trials.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 10132, 2017. https://doi.org/10.1117/12.2254739.
    Full Text
  - Abadi, E., H. Soltanian-Zadeh, L. Scarpace, and T. Mikkelsen. “Prediction of glioblastoma multiforme response to bevacizumab treatment using diffusion and perfusion imaging.” In 2015 22nd Iranian Conference on Biomedical Engineering, Icbme 2015, 314–18, 2016. https://doi.org/10.1109/ICBME.2015.7404162.
    Full Text
  - Sahbaee, P., E. Abadi, J. Sanders, M. Becchetti, Y. Zhang, G. Agasthya, P. Segars, and E. Samei. “A technique for multi-dimensional optimization of radiation dose, contrast dose, and image quality in CT imaging.” In Progress in Biomedical Optics and Imaging Proceedings of Spie, Vol. 9783, 2016. https://doi.org/10.1117/12.2216516.
    Full Text
  - Mehrvar, A., A. A. Hedayati-Asl, M. Faranoush, E. Abadi, N. Mehrvar, and M. Tashvighi. “THERAPEUTIC MANAGEMENT OF CHILDHOOD AML AT MPCTRC: A SINGLE CENTER STUDY.” In Haematologica, 99:570–71. FERRATA STORTI FOUNDATION, 2014.
    Link to Item
Teaching & Mentoring
Recent Courses

Some information on this profile has been compiled automatically from Duke databases and external sources. (Our About page explains how this works.) If you see a problem with the information, please write to Scholars@Duke and let us know. We will reply promptly.

Education, Training, & Certifications

Previous Appointments & Affiliations

Subject Headings

Selected Grants

External Relationships

Selected Publications

Academic Articles

Conference Papers

Recent Courses