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A novel interpolation strategy for estimating subsample speckle motion

Publication ,  Journal Article
Geiman, BJ; Bohs, LN; Anderson, ME; Breit, SM; Trahey, GE
Published in: Phys. Med. Biol. (UK)
2000

Multidimensional, high-resolution ultrasonic imaging of rapidly moving tissue is primarily limited by sparse sampling in the lateral dimension. In order to achieve acceptable spatial resolution and velocity quantization, interpolation of laterally sampled data is necessary. The authors present a novel method for estimating lateral subsample speckle motion and compare it with traditional interpolation methods. This method, called grid slopes, requires no a priori knowledge and can be applied to data with as few as two samples in the lateral dimension. Computer simulations were performed to compare grid slopes with two conventional interpolation schemes, parabolic fit and cubic spline. Results of computer simulations show that parabolic fit and cubic spline performed poorly at translations greater than 0.5 samples, and translations less than 0.5 samples were subject to an estimation bias. Grid slopes accurately estimated translations between 0 and 1 samples without estimation bias at high signal-to-noise ratios. Given that the grid slopes interpolation technique performs well at high signal-to-noise ratios, one pertinent clinical application might be tissue motion tracking

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Published In

Phys. Med. Biol. (UK)

DOI

Publication Date

2000

Volume

45

Issue

6

Start / End Page

1541 / 1552

Related Subject Headings

  • Ultrasonography
  • Nuclear Medicine & Medical Imaging
  • Models, Theoretical
  • Models, Statistical
  • Elasticity
  • Computer Simulation
  • Algorithms
  • 5105 Medical and biological physics
  • 1103 Clinical Sciences
  • 0903 Biomedical Engineering
 

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Geiman, B. J., Bohs, L. N., Anderson, M. E., Breit, S. M., & Trahey, G. E. (2000). A novel interpolation strategy for estimating subsample speckle motion. Phys. Med. Biol. (UK), 45(6), 1541–1552. https://doi.org/10.1088/0031-9155/45/6/310
Geiman, B. J., L. N. Bohs, M. E. Anderson, S. M. Breit, and G. E. Trahey. “A novel interpolation strategy for estimating subsample speckle motion.” Phys. Med. Biol. (UK) 45, no. 6 (2000): 1541–52. https://doi.org/10.1088/0031-9155/45/6/310.
Geiman BJ, Bohs LN, Anderson ME, Breit SM, Trahey GE. A novel interpolation strategy for estimating subsample speckle motion. Phys Med Biol (UK). 2000;45(6):1541–52.
Geiman, B. J., et al. “A novel interpolation strategy for estimating subsample speckle motion.” Phys. Med. Biol. (UK), vol. 45, no. 6, 2000, pp. 1541–52. Manual, doi:10.1088/0031-9155/45/6/310.
Geiman BJ, Bohs LN, Anderson ME, Breit SM, Trahey GE. A novel interpolation strategy for estimating subsample speckle motion. Phys Med Biol (UK). 2000;45(6):1541–1552.

Published In

Phys. Med. Biol. (UK)

DOI

Publication Date

2000

Volume

45

Issue

6

Start / End Page

1541 / 1552

Related Subject Headings

  • Ultrasonography
  • Nuclear Medicine & Medical Imaging
  • Models, Theoretical
  • Models, Statistical
  • Elasticity
  • Computer Simulation
  • Algorithms
  • 5105 Medical and biological physics
  • 1103 Clinical Sciences
  • 0903 Biomedical Engineering