Year |
Citation |
Score |
2016 |
Pitre JJ, Koziol LB, Kruger GH, Vollmer A, Ophir J, Ammann JJ, Weitzel WF, Bull JL. Design and Testing of a Single-Element Ultrasound Viscoelastography System for Point-of-Care Edema Quantification. Ultrasound in Medicine & Biology. PMID 27222246 DOI: 10.1016/J.Ultrasmedbio.2016.04.013 |
0.47 |
|
2013 |
Thittai AK, Yamal JM, Ophir J. Small breast lesion classification performance using the normalized axial-shear strain area feature. Ultrasound in Medicine & Biology. 39: 543-8. PMID 23312961 DOI: 10.1016/J.Ultrasmedbio.2012.10.011 |
0.331 |
|
2012 |
Thittai AK, Galaz B, Ophir J. On the advantages of imaging the axial-shear strain component of the total shear strain in breast tumors. Ultrasound in Medicine & Biology. 38: 2031-7. PMID 22975036 DOI: 10.1016/J.Ultrasmedbio.2012.06.011 |
0.458 |
|
2012 |
Berg EP, Kallel F, Hussain F, Miller RK, Ophir J, Kehtarnavaz N. The use of elastography to measure quality characteristics of pork semimembranosus muscle. Meat Science. 53: 31-5. PMID 22062930 DOI: 10.1016/S0309-1740(99)00033-9 |
0.433 |
|
2012 |
Ophir J, Miller RK, Ponnekanti H, Cespedes I, Whittaker AD. Elastography of beef muscle. Meat Science. 36: 239-50. PMID 22061462 DOI: 10.1016/0309-1740(94)90043-4 |
0.304 |
|
2012 |
Alam SK, Ophir J, Cespedes I, Varghese T. A deconvolution filter for improvement of time-delay estimation in elastography. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 45: 1565-72. PMID 18250004 DOI: 10.1109/58.738296 |
0.604 |
|
2012 |
Alam SK, Ophir J, Konofagou EE. An adaptive strain estimator for elastography. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 45: 461-72. PMID 18244197 DOI: 10.1109/58.660156 |
0.634 |
|
2012 |
Cespedes I, Ophir J, Alam SK. The combined effect of signal decorrelation and random noise on the variance of time delay estimation. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 44: 220-5. PMID 18244121 DOI: 10.1109/58.585223 |
0.387 |
|
2011 |
Thittai AK, Galaz B, Ophir J. Visualization of HIFU-induced lesion boundaries by axial-shear strain elastography: a feasibility study. Ultrasound in Medicine & Biology. 37: 426-33. PMID 21276656 DOI: 10.1016/J.Ultrasmedbio.2010.11.009 |
0.346 |
|
2011 |
Thittai AK, Yamal JM, Mobbs LM, Kraemer-Chant CM, Chekuri S, Garra BS, Ophir J. Axial-shear strain elastography for breast lesion classification: further results from in vivo data. Ultrasound in Medicine & Biology. 37: 189-97. PMID 21208733 DOI: 10.1016/J.Ultrasmedbio.2010.11.001 |
0.349 |
|
2011 |
Ophir J, Srinivasan S, Righetti R, Thittai A. Elastography: A decade of progress (2000-2010) Current Medical Imaging Reviews. 7: 292-312. DOI: 10.2174/157340511798038693 |
0.699 |
|
2010 |
Thittai AK, Galaz B, Ophir J. Importance of axial compression verification to correct interpretation of axial-shear strain elastograms in breast lesions. Ultrasonic Imaging. 32: 190-8. PMID 20718247 DOI: 10.1177/016173461003200306 |
0.444 |
|
2010 |
Thittai AK, Galaz B, Ophir J. Axial-shear strain distributions in an elliptical inclusion model: experimental validation and in vivo examples with implications to breast tumor classification. Ultrasound in Medicine & Biology. 36: 814-20. PMID 20420971 DOI: 10.1016/J.Ultrasmedbio.2010.02.004 |
0.436 |
|
2008 |
Thitaikumar A, Mobbs LM, Kraemer-Chant CM, Garra BS, Ophir J. Breast tumor classification using axial shear strain elastography: a feasibility study. Physics in Medicine and Biology. 53: 4809-23. PMID 18701768 DOI: 10.1088/0031-9155/53/17/022 |
0.392 |
|
2008 |
Patil AV, Krouskop TA, Ophir J, Srinivasan S. On the Differences Between Two-Dimensional and Three-Dimensional Simulations for Assessing Elastographic Image Quality: A Simulation Study Ultrasound in Medicine and Biology. 34: 1129-1138. PMID 18343016 DOI: 10.1016/J.Ultrasmedbio.2007.12.007 |
0.391 |
|
2007 |
Righetti R, Garra BS, Mobbs LM, Kraemer-Chant CM, Ophir J, Krouskop TA. The feasibility of using poroelastographic techniques for distinguishing between normal and lymphedematous tissues in vivo. Physics in Medicine and Biology. 52: 6525-41. PMID 17951860 DOI: 10.1088/0031-9155/52/21/013 |
0.657 |
|
2007 |
Thitaikumar A, Ophir J. Effect of lesion boundary conditions on axial strain elastograms: a parametric study. Ultrasound in Medicine & Biology. 33: 1463-7. PMID 17561335 DOI: 10.1016/J.Ultrasmedbio.2007.03.011 |
0.472 |
|
2007 |
Righetti R, Righetti M, Ophir J, Krouskop TA. The feasibility of estimating and imaging the mechanical behavior of poroelastic materials using axial strain elastography. Physics in Medicine and Biology. 52: 3241-59. PMID 17505100 DOI: 10.1088/0031-9155/52/11/020 |
0.73 |
|
2007 |
Thitaikumar A, Krouskop TA, Garra BS, Ophir J. Visualization of bonding at an inclusion boundary using axial-shear strain elastography: a feasibility study. Physics in Medicine and Biology. 52: 2615-33. PMID 17440256 DOI: 10.1088/0031-9155/52/9/019 |
0.484 |
|
2007 |
Righetti R, Ophir J, Kumar AT, Krouskop TA. Assessing image quality in effective Poisson's ratio elastography and poroelastography: II. Physics in Medicine and Biology. 52: 1321-33. PMID 17301457 DOI: 10.1088/0031-9155/52/5/008 |
0.692 |
|
2007 |
Righetti R, Srinivasan S, Kumar AT, Ophir J, Krouskop TA. Assessing image quality in effective Poisson's ratio elastography and poroelastography: I. Physics in Medicine and Biology. 52: 1303-20. PMID 17301456 DOI: 10.1088/0031-9155/52/5/007 |
0.734 |
|
2007 |
Thitaikumar A, Krouskop TA, Ophir J. Signal-to-noise ratio, contrast-to-noise ratio and their trade-offs with resolution in axial-shear strain elastography. Physics in Medicine and Biology. 52: 13-28. PMID 17183125 DOI: 10.1088/0031-9155/52/1/002 |
0.539 |
|
2006 |
Thitaikumar A, Righetti R, Krouskop TA, Ophir J. Resolution of axial shear strain elastography. Physics in Medicine and Biology. 51: 5245-57. PMID 17019036 DOI: 10.1088/0031-9155/51/20/011 |
0.737 |
|
2006 |
Chandrasekhar R, Ophir J, Krouskop T, Ophir K. Elastographic image quality vs. tissue motion in vivo. Ultrasound in Medicine & Biology. 32: 847-55. PMID 16785007 DOI: 10.1016/J.Ultrasmedbio.2006.02.1407 |
0.468 |
|
2006 |
Hoyt K, Forsberg F, Ophir J. Analysis of a hybrid spectral strain estimation technique in elastography. Physics in Medicine and Biology. 51: 197-209. PMID 16394333 DOI: 10.1088/0031-9155/51/2/001 |
0.486 |
|
2006 |
Doyley MM, Srinivasan S, Dimidenko E, Soni N, Ophir J. Enhancing the performance of model-based elastography by incorporating additional a priori information in the modulus image reconstruction process. Physics in Medicine and Biology. 51: 95-112. PMID 16357433 DOI: 10.1088/0031-9155/51/1/007 |
0.437 |
|
2006 |
Hoyt K, Forsberg F, Ophir J. Comparison of shift estimation strategies in spectral elastography. Ultrasonics. 44: 99-108. PMID 16243373 DOI: 10.1016/J.Ultras.2005.08.006 |
0.41 |
|
2005 |
Righetti R, Ophir J, Garra BS, Chandrasekhar RM, Krouskop TA. A new method for generating poroelastograms in noisy environments. Ultrasonic Imaging. 27: 201-20. PMID 16761783 DOI: 10.1177/016173460502700401 |
0.702 |
|
2005 |
Kumar AT, Ophir J, Krouskop TA. Noise performance and signal-to-noise ratio of shear strain elastograms. Ultrasonic Imaging. 27: 145-65. PMID 16550705 DOI: 10.1177/016173460502700302 |
0.48 |
|
2005 |
Hoyt K, Forsberg F, Ophir J. Investigation of parametric spectral estimation techniques for elasticity imaging. Ultrasound in Medicine & Biology. 31: 1109-21. PMID 16085101 DOI: 10.1016/J.Ultrasmedbio.2005.04.013 |
0.521 |
|
2005 |
Righetti R, Ophir J, Krouskop TA. A method for generating permeability elastograms and Poisson's ratio time-constant elastograms. Ultrasound in Medicine & Biology. 31: 803-16. PMID 15936496 DOI: 10.1016/J.Ultrasmedbio.2005.02.004 |
0.667 |
|
2005 |
Doyley MM, Srinivasan S, Pendergrass SA, Wu Z, Ophir J. Comparative evaluation of strain-based and model-based modulus elastography. Ultrasound in Medicine & Biology. 31: 787-802. PMID 15936495 DOI: 10.1016/J.Ultrasmedbio.2005.02.005 |
0.446 |
|
2005 |
Hoyt K, Forsberg F, Merritt CR, Liu JB, Ophir J. In vivo elastographic investigation of ethanol-induced hepatic lesions. Ultrasound in Medicine & Biology. 31: 607-12. PMID 15866410 DOI: 10.1016/J.Ultrasmedbio.2005.01.017 |
0.304 |
|
2005 |
Srinivasan S, Ophir J, Alam SK. Theoretical derivation of SNR, CNR and spatial resolution for a local adaptive strain estimator for elastography. Ultrasound in Medicine & Biology. 30: 1185-97. PMID 15550322 DOI: 10.1016/J.Ultrasmedbio.2004.07.013 |
0.537 |
|
2004 |
Srinivasan S, Righetti R, Ophir J. An experimental characterization of elastographic spatial resolution: analysis of the trade-offs between spatial resolution and contrast-to-noise ratio. Ultrasound in Medicine & Biology. 30: 1269-80. PMID 15582226 DOI: 10.1016/J.Ultrasmedbio.2004.07.003 |
0.701 |
|
2004 |
Langevin HM, Konofagou EE, Badger GJ, Churchill DL, Fox JR, Ophir J, Garra BS. Tissue displacements during acupuncture using ultrasound elastography techniques. Ultrasound in Medicine & Biology. 30: 1173-83. PMID 15550321 DOI: 10.1016/J.Ultrasmedbio.2004.07.010 |
0.552 |
|
2004 |
Srinivasan S, Krouskop T, Ophir J. A quantitative comparison of modulus images obtained using nanoindentation with strain elastograms. Ultrasound in Medicine & Biology. 30: 899-918. PMID 15313323 DOI: 10.1016/J.Ultrasmedbio.2004.05.005 |
0.54 |
|
2004 |
Srinivasan S, Krouskop T, Ophir J. Comparing elastographic strain images with modulus images obtained using nanoindentation: preliminary results using phantoms and tissue samples. Ultrasound in Medicine & Biology. 30: 329-43. PMID 15063515 DOI: 10.1016/J.Ultrasmedbio.2003.10.021 |
0.518 |
|
2004 |
Righetti R, Ophir J, Srinivasan S, Krouskop TA. The feasibility of using elastography for imaging the Poisson's ratio in porous media. Ultrasound in Medicine & Biology. 30: 215-28. PMID 14998674 DOI: 10.1016/J.Ultrasmedbio.2003.10.022 |
0.714 |
|
2004 |
Ophir J. Recent advances in elastography Journal of the Acoustical Society of America. 115: 2410-2410. DOI: 10.1121/1.4781085 |
0.517 |
|
2003 |
Krouskop TA, Younes PS, Srinivasan S, Wheeler T, Ophir J. Differences in the compressive stress-strain response of infiltrating ductal carcinomas with and without lobular features--implications for mammography and elastography. Ultrasonic Imaging. 25: 162-70. PMID 14870801 DOI: 10.1177/016173460302500304 |
0.427 |
|
2003 |
Souchon R, Rouvière O, Gelet A, Detti V, Srinivasan S, Ophir J, Chapelon JY. Visualisation of HIFU lesions using elastography of the human prostate in vivo: preliminary results. Ultrasound in Medicine & Biology. 29: 1007-15. PMID 12878247 DOI: 10.1016/S0301-5629(03)00065-6 |
0.39 |
|
2003 |
Srinivasan S, Righetti R, Ophir J. Trade-offs between the axial resolution and the signal-to-noise ratio in elastography. Ultrasound in Medicine & Biology. 29: 847-66. PMID 12837500 DOI: 10.1016/S0301-5629(03)00037-1 |
0.705 |
|
2003 |
Righetti R, Srinivasan S, Ophir J. Lateral resolution in elastography. Ultrasound in Medicine & Biology. 29: 695-704. PMID 12754069 DOI: 10.1016/S0301-5629(03)00028-0 |
0.694 |
|
2003 |
Madsen EL, Frank GR, Krouskop TA, Varghese T, Kallel F, Ophir J. Tissue-mimicking oil-in-gelatin dispersions for use in heterogeneous elastography phantoms. Ultrasonic Imaging. 25: 17-38. PMID 12747425 DOI: 10.1177/016173460302500102 |
0.492 |
|
2003 |
Srinivasan S, Ophir J, Alam SK. Elastographic imaging using staggered strain estimates. Ultrasonic Imaging. 24: 229-45. PMID 12665239 DOI: 10.1177/016173460202400403 |
0.509 |
|
2003 |
Srinivasan S, Ophir J. A zero-crossing strain estimator for elastography. Ultrasound in Medicine & Biology. 29: 227-38. PMID 12659911 DOI: 10.1016/S0301-5629(02)00697-X |
0.476 |
|
2003 |
Fortin M, Buschmann MD, Bertrand MJ, Foster FS, Ophir J. Dynamic measurement of internal solid displacement in articular cartilage using ultrasound backscatter. Journal of Biomechanics. 36: 443-7. PMID 12594992 DOI: 10.1016/S0021-9290(02)00413-X |
0.39 |
|
2003 |
Srinivasan S, Kallel F, Ophir J. The effects of digitization on the elastographic signal-to-noise ratio. Ultrasound in Medicine & Biology. 28: 1521-34. PMID 12498948 DOI: 10.1016/S0301-5629(02)00652-X |
0.504 |
|
2003 |
Srinivasan S, Kallel F, Souchon R, Ophir J. Analysis of an adaptive strain estimation technique in elastography. Ultrasonic Imaging. 24: 109-18. PMID 12199417 DOI: 10.1177/016173460202400204 |
0.513 |
|
2002 |
Ophir J, Alam SK, Garra BS, Kallel F, Konofagou EE, Krouskop T, Merritt CR, Righetti R, Souchon R, Srinivasan S, Varghese T. Elastography: Imaging the elastic properties of soft tissues with ultrasound. Journal of Medical Ultrasonics (2001). 29: 155. PMID 27277961 DOI: 10.1007/Bf02480847 |
0.768 |
|
2002 |
Souchon R, Soualmi L, Bertrand M, Chapelon JY, Kallel F, Ophir J. Ultrasonic elastography using sector scan imaging and a radial compression. Ultrasonics. 40: 867-71. PMID 12160060 DOI: 10.1016/S0041-624X(02)00228-7 |
0.529 |
|
2002 |
Konofagou EE, D'hooge J, Ophir J. Myocardial elastography--a feasibility study in vivo. Ultrasound in Medicine & Biology. 28: 475-82. PMID 12049961 DOI: 10.1016/S0301-5629(02)00488-X |
0.567 |
|
2002 |
Srinivasan S, Kallel F, Ophir J. Estimating the elastographic signal-to-noise ratio using correlation coefficients. Ultrasound in Medicine & Biology. 28: 359-68. PMID 11978416 DOI: 10.1016/S0301-5629(01)00510-5 |
0.437 |
|
2002 |
Righetti R, Ophir J, Ktonas P. Axial resolution in elastography. Ultrasound in Medicine & Biology. 28: 101-13. PMID 11879957 DOI: 10.1016/S0301-5629(01)00495-1 |
0.696 |
|
2002 |
Alaniz A, Kallel F, Hungerford E, Ophir J. Variational method for estimating the effects of continuously varying lenses in HIFU, sonography, and sonography-based cross-correlation methods. The Journal of the Acoustical Society of America. 111: 468-74. PMID 11831822 DOI: 10.1121/1.1424867 |
0.333 |
|
2001 |
Varghese T, Ophir J, Konofagou E, Kallel F, Righetti R. Tradeoffs in elastographic imaging. Ultrasonic Imaging. 23: 216-48. PMID 12051276 DOI: 10.1177/016173460102300402 |
0.794 |
|
2001 |
Varghese T, Ophir J. Experimental corroboration of the nonstationary strain estimation errors in elastography Ultrasound in Medicine and Biology. 27: 1677-1682. PMID 11839412 DOI: 10.1016/S0301-5629(01)00472-0 |
0.648 |
|
2001 |
Konofagou EE, Harrigan TP, Ophir J, Krouskop TA. Poroelastography: Imaging the poroelastic properties of tissues Ultrasound in Medicine and Biology. 27: 1387-1397. PMID 11731052 DOI: 10.1016/S0301-5629(01)00433-1 |
0.615 |
|
2001 |
Kallel F, Prihoda CD, Ophir J. Contrast-transfer efficiency for continuously varying tissue moduli: simulation and phantom validation. Ultrasound in Medicine & Biology. 27: 1115-25. PMID 11527598 DOI: 10.1016/S0301-5629(01)00411-2 |
0.402 |
|
2001 |
Varghese T, Bilgen M, Ophir J. Phase aberration effects in elastography. Ultrasound in Medicine & Biology. 27: 819-27. PMID 11516542 DOI: 10.1016/S0301-5629(01)00379-9 |
0.571 |
|
2000 |
Konofagou EE, Varghese T, Ophir J. Theoretical bounds on the estimation of transverse displacement, transverse strain and poisson's ratio in elastography Ultrasonic Imaging. 22: 153-177. PMID 11297149 DOI: 10.1177/016173460002200302 |
0.694 |
|
2000 |
Varghese T, Konofagou EE, Ophir J, Alam SK, Bilgen M. Direct strain estimation in elastography using spectral cross-correlation. Ultrasound in Medicine & Biology. 26: 1525-37. PMID 11179627 DOI: 10.1016/S0301-5629(00)00316-1 |
0.693 |
|
2000 |
Varghese T, Ophir J, Krouskop TA. Nonlinear stress-strain relationships in tissue and their effect on the contrast-to-noise ratio in elastograms Ultrasound in Medicine and Biology. 26: 839-851. PMID 10942831 DOI: 10.1016/S0301-5629(00)00199-X |
0.624 |
|
2000 |
Konofagou EE, Ophir J. Precision estimation and imaging of normal and shear components of the 3D strain tensor in elastography Physics in Medicine and Biology. 45: 1553-1563. PMID 10870710 DOI: 10.1088/0031-9155/45/6/311 |
0.598 |
|
2000 |
Konofagou EE, Varghese T, Ophir J. Spectral estimators in elastography Ultrasonics. 38: 412-416. PMID 10829698 DOI: 10.1016/S0041-624X(99)00116-X |
0.697 |
|
2000 |
Konofagou EE, Harrigan T, Ophir J. Shear strain estimation and lesion mobility assessment in elastography Ultrasonics. 38: 400-404. PMID 10829696 DOI: 10.1016/S0041-624X(99)00125-0 |
0.668 |
|
2000 |
Ophir J, Garra B, Kallel F, Konofagou E, Krouskop T, Righetti R, Varghese T. Elastographic imaging. Ultrasound in Medicine & Biology. 26: S23-9. PMID 10794867 DOI: 10.1016/S0301-5629(00)00156-3 |
0.724 |
|
2000 |
Kaisar Alam S, Ophir J, Varghese T. Elastographic axial resolution criteria: An experimental study Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 47: 304-309. DOI: 10.1109/58.818775 |
0.539 |
|
1999 |
Kallel F, Price RE, Konofagou E, Ophir J. Elastographic imaging of the normal canine prostate in vitro Ultrasonic Imaging. 21: 201-215. PMID 10604801 DOI: 10.1177/016173469902100304 |
0.514 |
|
1999 |
Konofagou EE, Varghese T, Ophir J, Alam SK. Power spectral strain estimators in elastography Ultrasound in Medicine and Biology. 25: 1115-1129. PMID 10574343 DOI: 10.1016/S0301-5629(99)00061-7 |
0.727 |
|
1999 |
Righetti R, Kallel F, Stafford RJ, Price RE, Krouskop TA, Hazle JD, Ophir J. Elastographic characterization of HIFU-induced lesions in canine livers. Ultrasound in Medicine & Biology. 25: 1099-113. PMID 10574342 DOI: 10.1016/S0301-5629(99)00044-7 |
0.679 |
|
1999 |
Ophir J, Alam SK, Garra B, Kallel F, Konofagou E, Krouskop T, Varghese T. Elastography: ultrasonic estimation and imaging of the elastic properties of tissues. Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine. 213: 203-33. PMID 10420776 DOI: 10.1243/0954411991534933 |
0.616 |
|
1999 |
Kallel F, Stafford RJ, Price RE, Righetti R, Ophir J, Hazle JD. The feasibility of elastographic visualization of HIFU-induced thermal lesions in soft tissues. Image-guided high-intensity focused ultrasound. Ultrasound in Medicine & Biology. 25: 641-7. PMID 10386741 DOI: 10.1016/S0301-5629(98)00184-7 |
0.655 |
|
1999 |
Varghese T, Ophir J. A method for experimental characterization of the noise performance of elastographic systems Ultrasonic Imaging. 21: 17-30. PMID 10230007 DOI: 10.1177/016173469902100102 |
0.639 |
|
1999 |
Kallel F, Ophir J. Limits on the contrast of strain concentrations in elastography. Ultrasound in Medicine & Biology. 24: 1215-9. PMID 9833591 DOI: 10.1016/S0301-5629(98)00106-9 |
0.428 |
|
1999 |
Konofagou E, Ophir J. A new elastographic method for estimation and imaging of lateral displacements, lateral strains, corrected axial strains and Poisson's ratios in tissues. Ultrasound in Medicine & Biology. 24: 1183-99. PMID 9833588 DOI: 10.1016/S0301-5629(98)00109-4 |
0.659 |
|
1998 |
Varghese T, Bilgen M, Ophir J. Multiresolution imaging in elastography. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 45: 65-75. PMID 18244159 DOI: 10.1109/58.646912 |
0.667 |
|
1998 |
Stafford RJ, Kallel F, Price RE, Cromeens DM, Krouskop TA, Hazle JD, Ophir J. Elastographic imaging of thermal lesions in soft tissue: a preliminary study in vitro. Ultrasound in Medicine & Biology. 24: 1449-58. PMID 10385966 DOI: 10.1016/S0301-5629(98)00099-4 |
0.319 |
|
1998 |
Varghese T, Ophir J. An analysis of elastographic contrast-to-noise ratio Ultrasound in Medicine and Biology. 24: 915-924. PMID 9740393 DOI: 10.1016/S0301-5629(98)00047-7 |
0.523 |
|
1998 |
Varghese T, Ophir J. Characterization of elastographic noise using the envelope of echo signals Ultrasound in Medicine and Biology. 24: 543-555. PMID 9651964 DOI: 10.1016/S0301-5629(98)00008-8 |
0.631 |
|
1998 |
Kallel F, Ophir J, Magee K, Krouskop T. Elastographic imaging of low-contrast elastic modulus distributions in tissue. Ultrasound in Medicine & Biology. 24: 409-25. PMID 9587996 DOI: 10.1016/S0301-5629(97)00287-1 |
0.489 |
|
1998 |
Kallel F, Ophir J. A least-squares strain estimator for elastography. Ultrasonic Imaging. 19: 195-208. PMID 9447668 DOI: 10.1177/016173469701900303 |
0.514 |
|
1998 |
Alam SK, Ophir J. On the use of envelope and RF signal decorrelation as tissue strain estimators. Ultrasound in Medicine & Biology. 23: 1427-33. PMID 9428142 DOI: 10.1016/S0301-5629(97)00186-5 |
0.526 |
|
1998 |
Konofagou EE, Kallel F, Ophir J. Three-dimensional motion estimation in elastography Proceedings of the Ieee Ultrasonics Symposium. 2: 1745-1748. |
0.522 |
|
1997 |
Kallel F, Varghese T, Ophir J, Bilgen M. The nonstationary strain filter in elastography: Part II. Lateral and elevational decorrelation. Ultrasound in Medicine & Biology. 23: 1357-69. PMID 9428135 DOI: 10.1016/S0301-5629(97)00196-8 |
0.605 |
|
1997 |
Varghese T, Ophir J. The nonstationary strain filter in elastography: Part I. Frequency dependent attenuation Ultrasound in Medicine and Biology. 23: 1343-1356. PMID 9428134 DOI: 10.1016/S0301-5629(97)00197-X |
0.636 |
|
1997 |
Konofagou EE, Ophir J, Kallel F, Varghese T. Elastographic dynamic range expansion using variable applied strains Ultrasonic Imaging. 19: 145-166. PMID 9381631 DOI: 10.1177/016173469701900205 |
0.689 |
|
1997 |
Konofagou E, Dutta P, Ophir J, Céspedes I. Reduction of stress nonuniformities by apodization of compressor displacement in elastography. Ultrasound in Medicine & Biology. 22: 1229-36. PMID 9123647 DOI: 10.1016/S0301-5629(96)00147-0 |
0.597 |
|
1997 |
Alam SK, Ophir J. Reduction of signal decorrelation from mechanical compression of tissues by temporal stretching: applications to elastography. Ultrasound in Medicine & Biology. 23: 95-105. PMID 9080622 DOI: 10.1016/S0301-5629(96)00164-0 |
0.489 |
|
1997 |
Huang Y, Lacey RE, Moore LL, Miller RK, Whittaker AD, Ophir J. Wavelet Textural Features From Ultrasonic Elastograms For Meat Quality Transactions of the Asabe. 40: 1741-1748. DOI: 10.13031/2013.21406 |
0.338 |
|
1997 |
Varghese T, Ophir J. Enhancement of echo-signal correlation in elastography using temporal stretching Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 44: 173-180. DOI: 10.1109/58.585213 |
0.621 |
|
1997 |
Varghese T, Ophir J. A theoretical framework for performance characterization of elastography: The strain filter Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 44: 164-172. DOI: 10.1109/58.585212 |
0.629 |
|
1997 |
Varghese T, Ophir J, Kallel F. PIO 7412 A theoretical framework for elastographic imaging: The strain filter Ultrasound in Medicine & Biology. 23: S136. DOI: 10.1016/S0301-5629(97)80807-1 |
0.573 |
|
1997 |
Konofagou E, Ophir J, Varghese T, Kallel F. PIO 7411 Dynamic range expansion in elastography: Theory and applications Ultrasound in Medicine & Biology. 23: S135. DOI: 10.1016/S0301-5629(97)80801-0 |
0.542 |
|
1997 |
Ophir J, Kallel F, Varghese T, Bertrand M, Céspedes I, Ponnekanti H. Elastography: A systems approach International Journal of Imaging Systems and Technology. 8: 89-103. DOI: 10.1002/(Sici)1098-1098(1997)8:1<89::Aid-Ima11>3.0.Co;2-G |
0.613 |
|
1996 |
Varghese T, Ophir J. Performance optimization in elastography: Multicompression with temporal stretching Ultrasonic Imaging. 18: 193-214. PMID 9123673 DOI: 10.1177/016173469601800303 |
0.606 |
|
1996 |
Varghese T, Ophir J. Estimating tissue strain from signal decorrelation using the correlation coefficient Ultrasound in Medicine and Biology. 22: 1249-1254. PMID 9123649 DOI: 10.1016/S0301-5629(96)00166-4 |
0.625 |
|
1996 |
Varghese T, Ophir J, Céspedes I. Noise reduction in elastograms using temporal stretching with multicompression averaging Ultrasound in Medicine and Biology. 22: 1043-1052. PMID 9004428 DOI: 10.1016/S0301-5629(96)00128-7 |
0.6 |
|
1996 |
Kallel F, Bertrand M, Ophir J. Fundamental limitations on the contrast-transfer efficiency in elastography: an analytic study. Ultrasound in Medicine & Biology. 22: 463-70. PMID 8795173 DOI: 10.1016/0301-5629(95)02079-9 |
0.473 |
|
1996 |
Ophir J, Cespedes I, Garra B, Ponnekanti H, Huang Y, Maklad N. Elastography: Ultrasonic imaging of tissue strain and elastic modulus in vivo European Journal of Ultrasound. 3: 49-70. DOI: 10.1016/0929-8266(95)00134-4 |
0.468 |
|
1995 |
Céspedes I, Huang Y, Ophir J, Spratt S. Methods for estimation of subsample time delays of digitized echo signals. Ultrasonic Imaging. 17: 142-71. PMID 7571208 DOI: 10.1177/016173469501700204 |
0.378 |
|
1995 |
Ponnekanti H, Ophir J, Huang Y, Céspedes I. Fundamental mechanical limitations on the visualization of elasticity contrast in elastography. Ultrasound in Medicine & Biology. 21: 533-43. PMID 7571146 DOI: 10.1016/0301-5629(94)00136-2 |
0.443 |
|
1995 |
Cespedes I, Insana M, Ophir J. Theoretical bounds on strain estimation in elastography Ieee Transactions On Ultrasonics, Ferroelectrics and Frequency Control. 42: 969-972. DOI: 10.1109/58.464850 |
0.481 |
|
1994 |
Ponnekanti H, Ophir J, Cespedes I. Ultrasonic imaging of the stress distribution in elastic media due to an external compressor. Ultrasound in Medicine & Biology. 20: 27-33. PMID 8197624 DOI: 10.1016/0301-5629(94)90014-0 |
0.436 |
|
1994 |
Belaïd N, Cespedes I, Thijssen JM, Ophir J. Lesion detection in simulated elastographic and echographic images: a psychophysical study. Ultrasound in Medicine & Biology. 20: 877-91. PMID 7886848 DOI: 10.1016/0301-5629(94)90048-5 |
0.353 |
|
1993 |
Céspedes I, Ophir J. Reduction of image noise in elastography. Ultrasonic Imaging. 15: 89-102. PMID 8346613 DOI: 10.1177/016173469301500202 |
0.495 |
|
1993 |
Céspedes I, Ophir J, Ponnekanti H, Maklad N. Elastography: elasticity imaging using ultrasound with application to muscle and breast in vivo. Ultrasonic Imaging. 15: 73-88. PMID 8346612 DOI: 10.1177/016173469301500201 |
0.343 |
|
1993 |
Ophir J, Cespedes I, Ponnekanti H, Maklad N. Elastography: Technical considerations and preliminary clinical results Journal of the Acoustical Society of America. 93: 2330-2330. DOI: 10.1121/1.406354 |
0.497 |
|
1992 |
Ophir J, Moriya T, Yazdi Y. A single transducer transaxial compression technique for the estimation of sound speed in biological tissues. Ultrasonic Imaging. 13: 269-79. PMID 1957424 DOI: 10.1177/016173469101300304 |
0.417 |
|
1992 |
Céspedes I, Ophir J, Huang Y. On the feasibility of pulse-echo speed of sound estimation in small regions: simulation studies. Ultrasound in Medicine & Biology. 18: 283-91. PMID 1595134 DOI: 10.1016/0301-5629(92)90097-T |
0.326 |
|
1992 |
Céspedes I, Ophir J. Correction of diffraction errors in attenuation estimation with Dynamic Beam Translation. Ultrasound in Medicine & Biology. 18: 213-8. PMID 1580017 DOI: 10.1016/0301-5629(92)90132-T |
0.31 |
|
1991 |
Céspedes I, Ophir J. Diffraction correction methods for pulse-echo acoustic attenuation estimation. Ultrasound in Medicine & Biology. 16: 707-17. PMID 2281559 DOI: 10.1016/0301-5629(90)90104-K |
0.342 |
|
1991 |
Robinson DE, Ophir J, Wilson LS, Chen CF. Pulse-echo ultrasound speed measurements: progress and prospects. Ultrasound in Medicine & Biology. 17: 633-46. PMID 1962366 DOI: 10.1016/0301-5629(91)90034-T |
0.371 |
|
1991 |
Ophir J, Céspedes I, Ponnekanti H, Yazdi Y, Li X. Elastography: a quantitative method for imaging the elasticity of biological tissues. Ultrasonic Imaging. 13: 111-34. PMID 1858217 DOI: 10.1177/016173469101300201 |
0.52 |
|
1990 |
Ophir J. A transaxial compression technique (TACT) for localized pulse-echo estimation of sound speed in biological tissues Ultrasonic Imaging. 12: 35-46. DOI: 10.1016/0161-7346(90)90219-N |
0.405 |
|
1989 |
Ophir J, Yazdi Y, Lin TS, Shattuck DP. Optimization of speed-of-sound estimation from noisy ultrasonic signals Ieee Transactions On Ultrasonics Ferroelectrics and Frequency Control. 36: 16-24. PMID 18284945 DOI: 10.1109/58.16964 |
0.397 |
|
1989 |
Ophir J, Mehta D. Elimination of diffraction error in acoustic attenuation estimation via axial beam translation. Ultrasonic Imaging. 10: 139-52. PMID 3057713 DOI: 10.1177/016173468801000205 |
0.348 |
|
1989 |
Ophir J, Johnson W, Yazdi Y, Shattuck D, Mehta D. Correlation artifacts in speed of sound estimation in scattering media. Ultrasound in Medicine & Biology. 15: 341-53. PMID 2763385 DOI: 10.1016/0301-5629(89)90046-X |
0.389 |
|
1989 |
Shattuck DP, Ophir J, Johnson GW, Yazdi Y, Mehta D. Correction of refraction and other angle errors in beam tracking speed of sound estimations using multiple tracking transducers. Ultrasound in Medicine & Biology. 15: 673-81. PMID 2683293 DOI: 10.1016/0301-5629(89)90175-0 |
0.317 |
|
1989 |
Ophir J. Pulse echo method and apparatus for sound velocity estimation in vivo Journal of the Acoustical Society of America. 86: 1212-1212. DOI: 10.1121/1.398031 |
0.302 |
|
1989 |
Ophir J. Method for enhancing the accuracy of in vivo sound velocity estimation Journal of the Acoustical Society of America. 85: 2699-2699. DOI: 10.1121/1.397275 |
0.361 |
|
1986 |
Ophir J, Ghouse MA, Ferrari LA. Attenuation estimation with the zero-crossing technique: phantom studies. Ultrasonic Imaging. 7: 122-32. PMID 3909600 DOI: 10.1177/016173468500700202 |
0.359 |
|
1985 |
Narayana PA, Ophir J. The measurement of attenuation in nonlinearly attenuating media by the zero crossing method. Ultrasound in Medicine & Biology. 10: 715-8. PMID 6536127 DOI: 10.1016/0301-5629(84)90231-X |
0.314 |
|
1985 |
Ophir J. Parametric vs nonparametric measurements in tissues with nonlinear frequency dependent attenuation. Ultrasound in Medicine & Biology. 10: 709-13. PMID 6399167 DOI: 10.1016/0301-5629(84)90230-8 |
0.36 |
|
1985 |
Ophir J, McWhirt RE, Maklad NF, Jaeger PM. A narrowband pulse-echo technique for in vivo ultrasonic attenuation estimation. Ieee Transactions On Bio-Medical Engineering. 32: 205-12. PMID 3888819 DOI: 10.1109/Tbme.1985.325530 |
0.334 |
|
1984 |
Narayana PA, Ophir J. On the validity of the linear approximation in the parametric measurement of attenuation in tissues. Ultrasound in Medicine & Biology. 9: 357-61. PMID 6649153 DOI: 10.1016/0301-5629(83)90088-1 |
0.341 |
|
1984 |
Ophir J, Shawker TH, Maklad NF, Miller JG, Flax SW, Narayana PA, Jones JP. Attenuation estimation in reflection: progress and prospects. Ultrasonic Imaging. 6: 349-95. PMID 6399169 DOI: 10.1177/016173468400600401 |
0.326 |
|
1983 |
Ophir J, Brinch JM. Moiré undersampling artifacts in digital ultrasound images. Ultrasonic Imaging. 4: 311-20. PMID 6891129 DOI: 10.1177/016173468200400402 |
0.329 |
|
1982 |
Ophir J, Jaeger P. A ternary solution for independent acoustic impedance and speed of sound matching to biological tissues. Ultrasonic Imaging. 4: 163-70. PMID 7201696 DOI: 10.1177/016173468200400205 |
0.326 |
|
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