| Year |
Citation |
Score |
| 2023 |
Mukaddim RA, Liu Y, Graham M, Eickhoff JC, Weichmann AM, Tattersall MC, Korcarz CE, Stein JH, Varghese T, Eliceiri KW, Mitchell C. In Vivo Adaptive Bayesian Regularized Lagrangian Carotid Strain Imaging for Murine Carotid Arteries and Its Associations With Histological Findings. Ultrasound in Medicine & Biology. PMID 37400303 DOI: 10.1016/j.ultrasmedbio.2023.05.017 |
0.811 |
|
| 2022 |
Mukaddim RA, Weichmann AM, Taylor R, Hacker TA, Pier T, Hardin J, Graham M, Casper EM, Mitchell CC, Varghese T. In Vivo Longitudinal Monitoring of Cardiac Remodeling in Murine Ischemia Models With Adaptive Bayesian Regularized Cardiac Strain Imaging: Validation Against Histology. Ultrasound in Medicine & Biology. PMID 36184393 DOI: 10.1016/j.ultrasmedbio.2022.07.012 |
0.818 |
|
| 2021 |
Mukaddim RA, Meshram NH, Weichmann AM, Mitchell CC, Varghese T. Spatiotemporal Bayesian Regularization for Cardiac Strain Imaging: Simulation and Results. Ieee Open Journal of Ultrasonics, Ferroelectrics, and Frequency Control. 1: 21-36. PMID 35174360 DOI: 10.1109/OJUFFC.2021.3130021 |
0.828 |
|
| 2021 |
Al Mukaddim R, Weichmann AM, Taylor R, Hacker TA, Pier T, Graham M, Mitchell CC, Varghese T. Bayesian Regularized Strain Imaging for Assessment of Murine Cardiac Function In vivo. Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference. 2021: 2883-2886. PMID 34891849 DOI: 10.1109/EMBC46164.2021.9630712 |
0.33 |
|
| 2021 |
Pohlman RM, Hinshaw JL, Ziemlewicz TJ, Lubner MG, Wells SA, Lee FT, Alexander ML, Wergin KL, Varghese T. Differential Imaging of Liver Tumors before and after Microwave Ablation with Electrode Displacement Elastography. Ultrasound in Medicine & Biology. PMID 34011451 DOI: 10.1016/j.ultrasmedbio.2021.03.027 |
0.815 |
|
| 2021 |
Mukaddim RA, Ahmed R, Varghese T. Sub-aperture Processing Based Adaptive Beamforming for Photoacoustic Imaging. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. PMID 33606629 DOI: 10.1109/TUFFC.2021.3060371 |
0.808 |
|
| 2020 |
Meshram NH, Jackson D, Mitchell CC, Wilbrand SM, Dempsey RJ, Hermann BP, Varghese T. Study of the Relationship Between Ultrasound Strain Indices and Cognitive Decline for Vulnerable Carotid Plaque. Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference. 2020: 2088-2091. PMID 33018417 DOI: 10.1109/EMBC44109.2020.9175911 |
0.747 |
|
| 2020 |
Mukaddim RA, Varghese T. Improving Ultrasound Lateral Strain Estimation Accuracy using Log Compression of Regularized Correlation Function. Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference. 2020: 2031-2034. PMID 33018403 DOI: 10.1109/EMBC44109.2020.9176531 |
0.827 |
|
| 2020 |
Pohlman RM, Varghese T. Adaptation of Dictionary Learning for Electrode Displacement Elastography Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual International Conference. 2020: 2023-2026. PMID 33018401 DOI: 10.1109/EMBC44109.2020.9175319 |
0.81 |
|
| 2020 |
Meshram NH, Mitchell CC, Wilbrand S, Dempsey RJ, Varghese T. Deep Learning for Carotid Plaque Segmentation using a Dilated U-Net Architecture. Ultrasonic Imaging. 42: 221-230. PMID 32885739 DOI: 10.1177/0161734620951216 |
0.751 |
|
| 2020 |
Mukaddim RA, Varghese T. Spatiotemporal Coherence Weighting for In Vivo Cardiac Photoacoustic Image Beamformation. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. PMID 32795968 DOI: 10.1109/Tuffc.2020.3016900 |
0.805 |
|
| 2020 |
Mitchell CC, Wilbrand SM, Cook TD, Meshram NH, Steffel CN, Nye R, Varghese T, Hermann BP, Dempsey RJ. Carotid Plaque Strain Indices Were Correlated With Cognitive Performance in a Cohort With Advanced Atherosclerosis, and Traditional Doppler Measures Showed no Association. Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine. PMID 32395885 DOI: 10.1002/Jum.15311 |
0.749 |
|
| 2020 |
Mukaddim RA, Meshram NH, Varghese T. Locally optimized correlation-guided Bayesian adaptive regularization for ultrasound strain imaging. Physics in Medicine and Biology. PMID 32028272 DOI: 10.1088/1361-6560/Ab735F |
0.843 |
|
| 2019 |
Pohlman RM, Varghese T. Physiological Motion Reduction Using Lagrangian Tracking for Electrode Displacement Elastography. Ultrasound in Medicine & Biology. PMID 31806499 DOI: 10.1016/J.Ultrasmedbio.2019.11.001 |
0.836 |
|
| 2019 |
Mukaddim RA, Meshram NH, Mitchell CC, Varghese T. Hierarchical Motion Estimation with Bayesian Regularization in Cardiac Elastography: Simulation and in-vivo Validation. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. PMID 31329553 DOI: 10.1109/Tuffc.2019.2928546 |
0.818 |
|
| 2019 |
Meshram NH, Mitchell CC, Wilbrand SM, Dempsey RJ, Varghese T. carotid strain imaging using principal strains in longitudinal view. Biomedical Physics & Engineering Express. 5. PMID 31240113 DOI: 10.1088/2057-1976/Ab15C9 |
0.792 |
|
| 2019 |
Varghese T, Meshram NH, Mitchell CC, Wilbrand SM, Hermann BP, Dempsey RJ. Lagrangian carotid strain imaging indices normalized to blood pressure for vulnerable plaque. Journal of Clinical Ultrasound : Jcu. PMID 31168787 DOI: 10.1002/Jcu.22739 |
0.785 |
|
| 2019 |
Pohlman RM, Turney MR, Wu PH, Brace CL, Ziemlewicz TJ, Varghese T. 2D US-CT Image Registration for Monitoring Percutaneous Hepatic Intervention. Medical Physics. PMID 31009079 DOI: 10.1002/Mp.13554 |
0.807 |
|
| 2019 |
Meshram NH, Jackson D, Varghese T, Mitchell CC, Wilbrand SM, Dempsey RJ, Hermann BP. A Cross-Sectional Investigation of Cognition and Ultrasound-Based Vascular Strain Indices. Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists. PMID 30805597 DOI: 10.1093/Arclin/Acz006 |
0.769 |
|
| 2019 |
Mitchell C, Wilbrand SM, Cook TD, Meshram NH, Steffel CN, Nye R, Varghese T, Hermann BP, Dempsey RJ. Abstract WMP47: Traditional Doppler Measures Do Not predict Cognition in a Cohort With Advanced Atherosclerosis Stroke. 50. DOI: 10.1161/Str.50.Suppl_1.Wmp47 |
0.725 |
|
| 2018 |
Dempsey RJ, Jackson DC, Wilbrand SM, Mitchell CC, Berman SE, Johnson SC, Meshram NH, Varghese T, Hermann BP. In Reply: The Preservation of Cognition 1 Year After Carotid Endarterectomy in Patients With Prior Cognitive Decline. Neurosurgery. 83: E181. PMID 31222269 DOI: 10.1093/neuros/nyy325 |
0.7 |
|
| 2018 |
Ingle AN, Varghese T. A kernel smoothing algorithm for ablation visualization in ultrasound elastography. Ultrasonics. PMID 30723026 DOI: 10.1016/J.Ultras.2018.12.006 |
0.787 |
|
| 2018 |
Pohlman RM, Varghese T, Jiang J, Ziemlewicz TJ, Alexander ML, Wergin KL, Hinshaw JL, Lubner MG, Wells SA, Lee FT. Comparison of Displacement Tracking Algorithms for in Vivo Electrode Displacement Elastography. Ultrasound in Medicine & Biology. PMID 30318122 DOI: 10.1016/J.Ultrasmedbio.2018.09.001 |
0.838 |
|
| 2018 |
Pohlman RM, Varghese T. Dictionary Representations for Electrode Displacement Elastography. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. PMID 30296219 DOI: 10.1109/Tuffc.2018.2874181 |
0.821 |
|
| 2018 |
Mukaddim RA, Rodgers A, Hacker TA, Heinmiller A, Varghese T. Real-Time in Vivo Photoacoustic Imaging in the Assessment of Myocardial Dynamics in Murine Model of Myocardial Ischemia. Ultrasound in Medicine & Biology. PMID 30064849 DOI: 10.1016/J.Ultrasmedbio.2018.05.021 |
0.79 |
|
| 2018 |
Meshram NH, Varghese T. GPU Accelerated Multilevel Lagrangian Carotid Strain Imaging. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. PMID 29993716 DOI: 10.1109/Tuffc.2018.2841346 |
0.793 |
|
| 2017 |
Mitchell CC, Wilbrand SM, Kundu B, Steffel CN, Varghese T, Meshram NH, Li G, Cook TD, Salamat MS, Dempsey RJ. Transcranial Doppler and Microemboli Detection: Relationships to Symptomatic Status and Histopathology Findings. Ultrasound in Medicine & Biology. PMID 28645797 DOI: 10.1016/J.Ultrasmedbio.2017.04.025 |
0.742 |
|
| 2017 |
Yang W, Varghese T, Ziemlewicz T, Alexander M, Lubner M, Hinshaw JL, Wells S, Lee FT. Delineation of Post-procedure Ablation Regions with Electrode Displacement Elastography with a Comparison to Acoustic Radiation Force Impulse Imaging. Ultrasound in Medicine & Biology. PMID 28595851 DOI: 10.1016/J.Ultrasmedbio.2017.04.021 |
0.591 |
|
| 2017 |
Meshram N, Varghese T, Mitchell C, Jackson D, Wilbrand S, Hermann B, Dempsey R. Quantification of carotid artery plaque stability with multiple region of interest based ultrasound strain indices and relationship with cognition. Physics in Medicine and Biology. PMID 28594333 DOI: 10.1088/1361-6560/Aa781F |
0.789 |
|
| 2017 |
Dempsey RJ, Jackson DC, Wilbrand SM, Mitchell CC, Berman SE, Johnson SC, Meshram NH, Varghese T, Hermann BP. The Preservation of Cognition 1 Yr After Carotid Endarterectomy in Patients With Prior Cognitive Decline. Neurosurgery. PMID 28575478 DOI: 10.1093/Neuros/Nyx173 |
0.717 |
|
| 2017 |
Samimi K, White JK, Brace CL, Varghese T. Monitoring Microwave Ablation of Ex Vivo Bovine Liver Using Ultrasonic Attenuation Imaging. Ultrasound in Medicine & Biology. PMID 28454843 DOI: 10.1016/J.Ultrasmedbio.2017.03.010 |
0.788 |
|
| 2017 |
Samimi K, Varghese T. Lower Bound on Estimation Variance of the Ultrasonic Attenuation Coefficient Using the Spectral-Difference Reference-phantom Method. Ultrasonic Imaging. 39: 151-171. PMID 28425388 DOI: 10.1177/0161734616674329 |
0.769 |
|
| 2017 |
Dempsey RJ, Varghese T, Jackson DC, Wang X, Meshram NH, Mitchell CC, Hermann BP, Johnson SC, Berman SE, Wilbrand SM. Carotid atherosclerotic plaque instability and cognition determined by ultrasound-measured plaque strain in asymptomatic patients with significant stenosis. Journal of Neurosurgery. 1-9. PMID 28298048 DOI: 10.3171/2016.10.Jns161299 |
0.767 |
|
| 2016 |
Ingle A, Varghese T, Sethares W. Efficient 3D Reconstruction in Ultrasound Elastography via a Sparse Iteration based on Markov Random Fields. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. PMID 27913340 DOI: 10.1109/Tuffc.2016.2633429 |
0.783 |
|
| 2016 |
Mitchell CC, Stein JH, Cook TD, Salamat S, Wang X, Varghese T, Jackson DC, Sandoval Garcia C, Wilbrand SM, Dempsey RJ. Histopathologic Validation of Grayscale Carotid Plaque Characteristics Related to Plaque Vulnerability. Ultrasound in Medicine & Biology. PMID 27720278 DOI: 10.1016/J.Ultrasmedbio.2016.08.011 |
0.349 |
|
| 2016 |
Yang W, Ziemlewicz TJ, Varghese T, Alexander ML, Rubert N, Ingle AN, Lubner MG, Hinshaw JL, Wells SA, Lee FT, Zagzebski JA. Post-procedure Evaluation of Microwave Ablations of Hepatocellular Carcinomas Using Electrode Displacement Elastography. Ultrasound in Medicine & Biology. PMID 27592561 DOI: 10.1016/J.Ultrasmedbio.2016.07.015 |
0.81 |
|
| 2016 |
Peng B, Wang Y, Wang W, Varghese T, Jiang J. Elastic Modulus Imaging Using Sector Ultrasound Data for Abdominal Applications: An Evaluation of Strategies and Feasibility. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. PMID 27411219 DOI: 10.1109/Tuffc.2016.2589270 |
0.458 |
|
| 2016 |
Yang W, Ingle A, Varghese T. Comparison of three dimensional strain volume reconstructions using SOUPR and wobbler based acquisitions: A phantom study. Medical Physics. 43: 1615. PMID 27036561 DOI: 10.1118/1.4942814 |
0.832 |
|
| 2016 |
Samimi K, Varghese T. Optimum Diffraction-Corrected Frequency-Shift Estimator of the Ultrasonic Attenuation Coefficient. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. PMID 26960224 DOI: 10.1109/Tuffc.2016.2538719 |
0.761 |
|
| 2016 |
Wang X, Jackson DC, Mitchell CC, Varghese T, Wilbrand SM, Rocque BG, Hermann BP, Dempsey RJ. Classification of Symptomatic and Asymptomatic Patients with and without Cognitive Decline Using Non-invasive Carotid Plaque Strain Indices as Biomarkers. Ultrasound in Medicine & Biology. PMID 26778288 DOI: 10.1016/J.Ultrasmedbio.2015.11.025 |
0.443 |
|
| 2015 |
Ma C, Wang X, Varghese T. Segmental Analysis of Cardiac Short-Axis Views Using Lagrangian Radial and Circumferential Strain. Ultrasonic Imaging. PMID 26578642 DOI: 10.1177/0161734615613322 |
0.625 |
|
| 2015 |
Ingle AN, Ma C, Varghese T. Ultrasonic tracking of shear waves using a particle filter. Medical Physics. 42: 6711. PMID 26520761 DOI: 10.1118/1.4934372 |
0.775 |
|
| 2015 |
Berman SE, Wang X, Mitchell CC, Kundu B, Jackson DC, Wilbrand SM, Varghese T, Hermann BP, Rowley HA, Johnson SC, Dempsey RJ. The relationship between carotid artery plaque stability and white matter ischemic injury. Neuroimage. Clinical. 9: 216-22. PMID 26448914 DOI: 10.1016/J.Nicl.2015.08.011 |
0.44 |
|
| 2015 |
Omari EA, Varghese T, Kliewer MA, Harter J, Hartenbach EM. Dynamic and quasi-static mechanical testing for characterization of the viscoelastic properties of human uterine tissue. Journal of Biomechanics. 48: 1730-6. PMID 26072212 DOI: 10.1016/J.Jbiomech.2015.05.013 |
0.792 |
|
| 2015 |
Wang X, Mitchell CC, Varghese T, Jackson DC, Rocque BG, Hermann BP, Dempsey RJ. Improved Correlation of Strain Indices with Cognitive Dysfunction with Inclusion of Adventitial Layer with Carotid Plaque. Ultrasonic Imaging. PMID 26025578 DOI: 10.1177/0161734615589252 |
0.482 |
|
| 2015 |
Samimi K, Varghese T. Performance evaluation of the spectral centroid downshift method for attenuation estimation. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 62: 871-80. PMID 25965681 DOI: 10.1109/Tuffc.2014.006945 |
0.76 |
|
| 2015 |
Ingle A, Bucklew J, Sethares W, Varghese T. Slope Estimation in Noisy Piecewise Linear Functions. Signal Processing. 108: 576-588. PMID 25419020 DOI: 10.1016/J.Sigpro.2014.10.003 |
0.772 |
|
| 2014 |
Ingle AN, Sethares WA, Varghese T, Bucklew JA. Piecewise Linear Slope Estimation. Conference Record / Asilomar Conference On Signals, Systems & Computers. Asilomar Conference On Signals, Systems & Computers. 2014: 420-422. PMID 26229417 DOI: 10.1109/ACSSC.2014.7094476 |
0.76 |
|
| 2014 |
Rubert N, Varghese T. Alterations in Ultrasound Scattering Following Thermal Ablation in ex vivo Bovine Liver. Ieee International Ultrasonics Symposium : [Proceedings]. Ieee International Ultrasonics Symposium. 2014: 1904-1907. PMID 26185596 DOI: 10.1109/ULTSYM.2014.0473 |
0.714 |
|
| 2014 |
Wang X, Jackson DC, Mitchell CC, Varghese T, Hermann BP, Kliewer MA, Dempsey RJ. Estimation of ultrasound strain indices in carotid plaque and correlation to cognitive dysfunction. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2014: 5627-30. PMID 25571271 DOI: 10.1109/EMBC.2014.6944903 |
0.431 |
|
| 2014 |
Ingle A, Varghese T, Sethares W, Bucklew J. Stochastic piecewise linear function fitting with application to ultrasound shear wave imaging. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2014: 2861-4. PMID 25570588 DOI: 10.1109/EMBC.2014.6944220 |
0.773 |
|
| 2014 |
Ingle A, Varghese T. Three dimensional shear wave elastographic reconstruction of ablations. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2014: 2857-60. PMID 25570587 DOI: 10.1109/EMBC.2014.6944219 |
0.761 |
|
| 2014 |
Ingle A, Varghese T. C-plane Reconstructions from Sheaf Acquisition for Ultrasound Electrode Vibration Elastography. Proceedings / Ieee ... Ultrasonics Symposium. Ieee Ultrasonics Symposium. 2014: 1826-1829. PMID 25530690 DOI: 10.1109/ULTSYM.2014.0453 |
0.773 |
|
| 2014 |
Ingle A, Varghese T. Three-dimensional sheaf of ultrasound planes reconstruction (SOUPR) of ablated volumes. Ieee Transactions On Medical Imaging. 33: 1677-88. PMID 24808405 DOI: 10.1109/Tmi.2014.2321285 |
0.798 |
|
| 2014 |
Rubert N, Varghese T. Scatterer number density considerations in reference phantom-based attenuation estimation. Ultrasound in Medicine & Biology. 40: 1680-96. PMID 24726800 DOI: 10.1016/J.Ultrasmedbio.2014.01.022 |
0.763 |
|
| 2014 |
Ma C, Varghese T. Analysis of 2-d ultrasound cardiac strain imaging using joint probability density functions. Ultrasound in Medicine & Biology. 40: 1118-32. PMID 24613642 DOI: 10.1016/J.Ultrasmedbio.2013.12.028 |
0.587 |
|
| 2014 |
Omari EA, Varghese T. Signal to noise ratio comparisons for ultrasound attenuation slope estimation algorithms. Medical Physics. 41: 032902. PMID 24593741 DOI: 10.1118/1.4865781 |
0.804 |
|
| 2014 |
Rubert N, Varghese T. Mean scatterer spacing estimation in normal and thermally coagulated ex vivo bovine liver. Ultrasonic Imaging. 36: 79-97. PMID 24554290 DOI: 10.1177/0161734613511232 |
0.734 |
|
| 2014 |
Wang X, Jackson DC, Varghese T, Mitchell CC, Hermann BP, Kliewer MA, Dempsey RJ. Correlation of cognitive function with ultrasound strain indices in carotid plaque. Ultrasound in Medicine & Biology. 40: 78-89. PMID 24120415 DOI: 10.1016/J.Ultrasmedbio.2013.08.001 |
0.496 |
|
| 2014 |
Rubert N, Varghese T. The effect of low scatterer number density on ultrasound attenuation estimation Ieee International Ultrasonics Symposium, Ius. 2418-2421. DOI: 10.1109/ULTSYM.2014.0603 |
0.717 |
|
| 2013 |
Ma C, Varghese T. WE-E-134-09: Evaluation of the Performance of Cardiac Displacement and Strain Imaging Using Radiofrequency and Envelope Signals. Medical Physics. 40: 496. PMID 28519160 DOI: 10.1118/1.4815612 |
0.584 |
|
| 2013 |
Wang X, Mitchell C, Jackson D, Varghese T, Hermann B, Kliewer M, Dempsey R. WE-E-134-10: Correlation of Cognitive Function with Ultrasound Strain Indices. Medical Physics. 40: 496. PMID 28519147 DOI: 10.1118/1.4815613 |
0.34 |
|
| 2013 |
Ma C, Varghese T. WE-E-134-11: Ultrasound Cardiac Strain Imaging of Left Ventricle Using Lagrangian Tracking. Medical Physics. 40: 497. PMID 28519134 DOI: 10.1118/1.4815614 |
0.596 |
|
| 2013 |
Rubert N, Varghese T. Coherence of Ultrasound Radiofrequency Echoes from the Liver Estimated Using Multi-Taper Calculation. Proceedings / Ieee International Symposium On Biomedical Imaging: From Nano to Macro. Ieee International Symposium On Biomedical Imaging. 2013: 724-727. PMID 25404995 DOI: 10.1109/ISBI.2013.6556577 |
0.711 |
|
| 2013 |
Ingle A, Varghese T. A COMPARISON OF MODEL BASED AND DIRECT OPTIMIZATION BASED FILTERING ALGORITHMS FOR SHEARWAVE VELOCITY RECONSTRUCTION FOR ELECTRODE VIBRATION ELASTOGRAPHY. Proceedings / Ieee International Symposium On Biomedical Imaging: From Nano to Macro. Ieee International Symposium On Biomedical Imaging. 2013: 760-763. PMID 25285187 DOI: 10.1109/ISBI.2013.6556586 |
0.761 |
|
| 2013 |
Rubert N, Varghese T. Mean scatterer spacing estimation using multi-taper coherence. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 60: 1061-73. PMID 25004470 DOI: 10.1109/Tuffc.2013.2670 |
0.735 |
|
| 2013 |
Omari EA, Varghese T, Madsen EL, Frank G. Evaluation of the impact of backscatter intensity variations on ultrasound attenuation estimation. Medical Physics. 40: 082904. PMID 23927359 DOI: 10.1118/1.4816305 |
0.816 |
|
| 2013 |
McCormick MM, Varghese T. An approach to unbiased subsample interpolation for motion tracking. Ultrasonic Imaging. 35: 76-87. PMID 23493609 DOI: 10.1177/0161734613476176 |
0.757 |
|
| 2013 |
Cao R, Huang Z, Varghese T, Nabi G. Tissue mimicking materials for the detection of prostate cancer using shear wave elastography: a validation study. Medical Physics. 40: 022903. PMID 23387774 DOI: 10.1118/1.4773315 |
0.326 |
|
| 2013 |
Xu H, Varghese T. Normal and shear strain imaging using 2D deformation tracking on beam steered linear array datasets. Medical Physics. 40: 012902. PMID 23298118 DOI: 10.1118/1.4770272 |
0.519 |
|
| 2013 |
Ma C, Varghese T. Comparison of cardiac displacement and strain imaging using ultrasound radiofrequency and envelope signals. Ultrasonics. 53: 782-92. PMID 23259981 DOI: 10.1016/J.Ultras.2012.11.005 |
0.6 |
|
| 2013 |
Wang X, Salamat S, Varghese T, Dempsey R. WE‐E‐134‐08: Characterization of Carotid Plaque with Histology and Quantitative Ultrasound Medical Physics. 40: 496-496. DOI: 10.1118/1.4815611 |
0.388 |
|
| 2013 |
Rubert N, Varghese T. SU-E-I-101: Multi Taper Coherence Measurements for Characterizing Scatterer Number Density Medical Physics. 40: 149-149. DOI: 10.1118/1.4814212 |
0.718 |
|
| 2012 |
Xu H, Varghese T, Jiang J, Zagzebski JA. In vivo classification of breast masses using features derived from axial-strain and axial-shear images. Ultrasonic Imaging. 34: 222-36. PMID 23160475 DOI: 10.1177/0161734612465520 |
0.672 |
|
| 2012 |
Dewall RJ, Varghese T, Brace CL. Visualizing ex vivo radiofrequency and microwave ablation zones using electrode vibration elastography. Medical Physics. 39: 6692-700. PMID 23127063 DOI: 10.1118/1.4758061 |
0.724 |
|
| 2012 |
McCormick M, Varghese T, Wang X, Mitchell C, Kliewer MA, Dempsey RJ. Methods for robust in vivo strain estimation in the carotid artery Physics in Medicine and Biology. 57: 7329-7353. PMID 23079725 DOI: 10.1088/0031-9155/57/22/7329 |
0.782 |
|
| 2012 |
Ge W, Krueger CG, Weichmann A, Shanmuganayagam D, Varghese T. Displacement and strain estimation for evaluation of arterial wall stiffness using a familial hypercholesterolemia swine model of atherosclerosis. Medical Physics. 39: 4483-92. PMID 22830780 DOI: 10.1118/1.4722746 |
0.393 |
|
| 2012 |
Rocque BG, Jackson D, Varghese T, Hermann B, McCormick M, Kliewer M, Mitchell C, Dempsey RJ. Impaired cognitive function in patients with atherosclerotic carotid stenosis and correlation with ultrasound strain measurements. Journal of the Neurological Sciences. 322: 20-4. PMID 22658531 DOI: 10.1016/J.Jns.2012.05.020 |
0.671 |
|
| 2012 |
Ma C, Varghese T. Lagrangian displacement tracking using a polar grid between endocardial and epicardial contours for cardiac strain imaging. Medical Physics. 39: 1779-92. PMID 22482601 DOI: 10.1118/1.3691905 |
0.585 |
|
| 2012 |
DeWall RJ, Bharat S, Varghese T, Hanson ME, Agni RM, Kliewer MA. Characterizing the compression-dependent viscoelastic properties of human hepatic pathologies using dynamic compression testing. Physics in Medicine and Biology. 57: 2273-86. PMID 22459948 DOI: 10.1088/0031-9155/57/8/2273 |
0.804 |
|
| 2012 |
Omari EA, Varghese T, Kliewer MA. A novel saline infusion sonohysterography-based strain imaging approach for evaluation of uterine abnormalities in vivo: preliminary results. Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine. 31: 609-15. PMID 22441918 DOI: 10.7863/Jum.2012.31.4.609 |
0.831 |
|
| 2012 |
DeWall RJ, Varghese T. Improving thermal ablation delineation with electrode vibration elastography using a bidirectional wave propagation assumption. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 59: 168-73. PMID 22293748 DOI: 10.1109/Tuffc.2012.2169 |
0.743 |
|
| 2012 |
DeWall RJ, Varghese T, Brace CL. Quantifying local stiffness variations in radiofrequency ablations with dynamic indentation. Ieee Transactions On Bio-Medical Engineering. 59: 728-35. PMID 22167553 DOI: 10.1109/Tbme.2011.2178848 |
0.771 |
|
| 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 |
0.638 |
|
| 2012 |
Varghese T, Ophir J. Enhancement of echo-signal correlation in elastography using temporal stretching. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 44: 173-80. PMID 18244115 DOI: 10.1109/58.585213 |
0.335 |
|
| 2012 |
Varghese T, Ophir J. A theoretical framework for performance characterization of elastography: the strain filter. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 44: 164-72. PMID 18244114 DOI: 10.1109/58.585212 |
0.321 |
|
| 2011 |
Xu H, Varghese T, Madsen EL. Analysis of shear strain imaging for classifying breast masses: finite element and phantom results. Medical Physics. 38: 6119-27. PMID 22047376 DOI: 10.1118/1.3651461 |
0.677 |
|
| 2011 |
McCormick MM, Madsen EL, Deaner ME, Varghese T. Absolute backscatter coefficient estimates of tissue-mimicking phantoms in the 5-50 MHz frequency range. The Journal of the Acoustical Society of America. 130: 737-43. PMID 21877789 DOI: 10.1121/1.3605669 |
0.771 |
|
| 2011 |
Omari E, Lee H, Varghese T. Theoretical and phantom based investigation of the impact of sound speed and backscatter variations on attenuation slope estimation. Ultrasonics. 51: 758-67. PMID 21477832 DOI: 10.1016/J.Ultras.2011.03.004 |
0.794 |
|
| 2011 |
McCormick M, Rubert N, Varghese T. Bayesian regularization applied to ultrasound strain imaging. Ieee Transactions On Bio-Medical Engineering. 58: 1612-20. PMID 21245002 DOI: 10.1109/Tbme.2011.2106500 |
0.845 |
|
| 2011 |
Kiss MZ, Varghese T, Kliewer MA. Exvivo ultrasound attenuation coefficient for human cervical and uterine tissue from 5 to 10 MHz. Ultrasonics. 51: 467-71. PMID 21163508 DOI: 10.1016/J.Ultras.2010.11.012 |
0.764 |
|
| 2011 |
DeWall RJ, Varghese T, Madsen EL. Shear wave velocity imaging using transient electrode perturbation: phantom and ex vivo validation. Ieee Transactions On Medical Imaging. 30: 666-78. PMID 21075719 DOI: 10.1109/Tmi.2010.2091412 |
0.804 |
|
| 2011 |
Xu H, Varghese T, Madsen EL. TU-E-220-06: Simulation and Tissue-Mimicking Phantom Validation of Shear Strain Imaging for Mass Differentiation Medical Physics. 38: 3776-3776. DOI: 10.1118/1.3613213 |
0.709 |
|
| 2011 |
DeWall R, Varghese T, Madsen E. TU-A-220-05: Imaging Shear Wave Velocity Using Thermal Ablation Electrode Vibration Medical Physics. 38: 3748-3748. DOI: 10.1118/1.3613106 |
0.833 |
|
| 2011 |
Samimi K, Varghese T. Ultrasonic attenuation imaging using spectral cross-correlation and the reference phantom method Ieee International Ultrasonics Symposium, Ius. 53-55. DOI: 10.1109/ULTSYM.2011.0014 |
0.754 |
|
| 2010 |
DeWall RJ, Varghese T, Kliewer MA, Harter JM, Hartenbach EM. Compression-dependent viscoelastic behavior of human cervix tissue. Ultrasonic Imaging. 32: 214-28. PMID 21213567 DOI: 10.1177/016173461003200402 |
0.723 |
|
| 2010 |
Chen H, Varghese T. Three-dimensional canine heart model for cardiac elastography. Medical Physics. 37: 5876-86. PMID 21158300 DOI: 10.1118/1.3496326 |
0.305 |
|
| 2010 |
Bharat S, Varghese T. Radiofrequency electrode vibration-induced shear wave imaging for tissue modulus estimation: a simulation study. The Journal of the Acoustical Society of America. 128: 1582-5. PMID 20968329 DOI: 10.1121/1.3466880 |
0.698 |
|
| 2010 |
Xu H, Rao M, Varghese T, Sommer A, Baker S, Hall TJ, Sisney GA, Burnside ES. Axial-shear strain imaging for differentiating benign and malignant breast masses. Ultrasound in Medicine & Biology. 36: 1813-24. PMID 20800948 DOI: 10.1016/J.Ultrasmedbio.2010.07.008 |
0.691 |
|
| 2010 |
Daniels MJ, Varghese T. Dynamic frame selection for in vivo ultrasound temperature estimation during radiofrequency ablation. Physics in Medicine and Biology. 55: 4735-53. PMID 20671353 DOI: 10.1088/0031-9155/55/16/008 |
0.584 |
|
| 2010 |
Rubert N, Bharat S, DeWall RJ, Andreano A, Brace C, Jiang J, Sampson L, Varghese T. Electrode displacement strain imaging of thermally-ablated liver tissue in an in vivo animal model. Medical Physics. 37: 1075-82. PMID 20384243 DOI: 10.1118/1.3301603 |
0.831 |
|
| 2010 |
Jiang J, Brace C, Andreano A, DeWall RJ, Rubert N, Fisher TG, Varghese T, Lee F, Hall TJ. Ultrasound-based relative elastic modulus imaging for visualizing thermal ablation zones in a porcine model. Physics in Medicine and Biology. 55: 2281-306. PMID 20354279 DOI: 10.1088/0031-9155/55/8/011 |
0.835 |
|
| 2010 |
Rubert N, Bharat S, DeWall R, Andreano A, Brace C, Jiang J, Sampson L, Zagzebski J, Lee F, Varghese T. TU-E-201C-05: Electrode Displacement Strain Imaging for Monitoring In-Vivo Ablative Therapies Medical Physics. 37: 3405-3405. DOI: 10.1118/1.3469307 |
0.838 |
|
| 2010 |
Varghese T, Daniels M. TU-E-201C-03: Dynamic Frame Selection for In-Vivo Ultrasound Temperature Estimation during Radiofrequency Ablation Medical Physics. 37: 3404-3405. DOI: 10.1118/1.3469305 |
0.58 |
|
| 2010 |
Xu H, Rao M, Varghese T, Sommer A, Baker S, Hall T, Sisney G, Burnside E. TU-E-201C-02: Breast Mass Differentiation Using Axial Shear Strain Imaging Medical Physics. 37: 3404-3404. DOI: 10.1118/1.3469304 |
0.687 |
|
| 2010 |
Zagzebski J, Rubert N, DeWall R, Varghese T. TU-C-202-02: QA/QC in Diagnostic Ultrasound Imaging Medical Physics. 37: 3388-3389. DOI: 10.1118/1.3469241 |
0.803 |
|
| 2010 |
Omari EA, Varghese T, Kliewer MA. Ultrasound saline infused sonohysterography based in-vivo strain imaging for the evaluation of uterine abnormalities Proceedings - Ieee Ultrasonics Symposium. 1368-1371. DOI: 10.1109/ULTSYM.2010.5935809 |
0.825 |
|
| 2009 |
Varghese T. Quasi-Static Ultrasound Elastography. Ultrasound Clinics. 4: 323-338. PMID 20798841 DOI: 10.1016/J.Cult.2009.10.009 |
0.493 |
|
| 2009 |
Shi H, Varghese T, Mitchell CC, McCormick M, Dempsey RJ, Kliewer MA. In vivo attenuation and equivalent scatterer size parameters for atherosclerotic carotid plaque: preliminary results. Ultrasonics. 49: 779-85. PMID 19640556 DOI: 10.1016/J.Ultras.2009.06.004 |
0.754 |
|
| 2009 |
Chen H, Varghese T. Multilevel hybrid 2D strain imaging algorithm for ultrasound sector/phased arrays. Medical Physics. 36: 2098-106. PMID 19610299 DOI: 10.1118/1.3121426 |
0.525 |
|
| 2009 |
Kiss MZ, Daniels MJ, Varghese T. Investigation of temperature-dependent viscoelastic properties of thermal lesions in ex vivo animal liver tissue. Journal of Biomechanics. 42: 959-66. PMID 19362313 DOI: 10.1016/J.Jbiomech.2009.03.002 |
0.789 |
|
| 2009 |
Rao M, Varghese T. Estimation of the optimal maximum beam angle and angular increment for normal and shear strain estimation. Ieee Transactions On Bio-Medical Engineering. 56: 760-9. PMID 19272930 DOI: 10.1109/Tbme.2008.2005907 |
0.605 |
|
| 2009 |
Jiang J, Varghese T, Brace CL, Madsen EL, Hall TJ, Bharat S, Hobson MA, Zagzebski JA, Lee FT. Young's modulus reconstruction for radio-frequency ablation electrode-induced displacement fields: a feasibility study. Ieee Transactions On Medical Imaging. 28: 1325-34. PMID 19258195 DOI: 10.1109/Tmi.2009.2015355 |
0.822 |
|
| 2009 |
Farron J, Varghese T, Thelen DG. Measurement of tendon strain during muscle twitch contractions using ultrasound elastography. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 56: 27-35. PMID 19213629 DOI: 10.1109/Tuffc.2009.1002 |
0.453 |
|
| 2009 |
Chen H, Varghese T. Principal component analysis of shear strain effects. Ultrasonics. 49: 472-83. PMID 19201435 DOI: 10.1016/J.Ultras.2008.12.003 |
0.523 |
|
| 2009 |
Chen H, Varghese T, Rahko PS, Zagzebski JA. Ultrasound frame rate requirements for cardiac elastography: experimental and in vivo results. Ultrasonics. 49: 98-111. PMID 18657839 DOI: 10.1016/J.Ultras.2008.05.007 |
0.683 |
|
| 2008 |
Rao M, Varghese T, Zagzebski JA. Simulation of ultrasound two-dimensional array transducers using a frequency domain model. Medical Physics. 35: 3162-3169. PMID 28513017 DOI: 10.1118/1.2940158 |
0.646 |
|
| 2008 |
Rao M, Varghese T. Correlation analysis of three-dimensional strain imaging using ultrasound two-dimensional array transducers. The Journal of the Acoustical Society of America. 124: 1858-65. PMID 19045676 DOI: 10.1121/1.2953310 |
0.598 |
|
| 2008 |
Shi H, Mitchell CC, McCormick M, Kliewer MA, Dempsey RJ, Varghese T. Preliminary in vivo atherosclerotic carotid plaque characterization using the accumulated axial strain and relative lateral shift strain indices. Physics in Medicine and Biology. 53: 6377-94. PMID 18941278 DOI: 10.1088/0031-9155/53/22/008 |
0.796 |
|
| 2008 |
Rao M, Varghese T, Zagzebski JA. Simulation of ultrasound two-dimensional array transducers using a frequency domain model. Medical Physics. 35: 3162-9. PMID 18697541 DOI: 10.1118/1.2940158 |
0.674 |
|
| 2008 |
Bharat S, Varghese T, Madsen EL, Zagzebski JA. Radio-frequency ablation electrode displacement elastography: a phantom study. Medical Physics. 35: 2432-42. PMID 18649476 DOI: 10.1118/1.2919763 |
0.829 |
|
| 2008 |
Liu W, Zagzebski JA, Hall TJ, Madsen EL, Varghese T, Kliewer MA, Panda S, Lowery C, Barnes S. Acoustic backscatter and effective scatterer size estimates using a 2D CMUT transducer. Physics in Medicine and Biology. 53: 4169-83. PMID 18635893 DOI: 10.1088/0031-9155/53/15/011 |
0.766 |
|
| 2008 |
Kim H, Varghese T. Hybrid spectral domain method for attenuation slope estimation. Ultrasound in Medicine & Biology. 34: 1808-19. PMID 18621468 DOI: 10.1016/J.Ultrasmedbio.2008.04.011 |
0.583 |
|
| 2008 |
Chen H, Varghese T. Noise analysis and improvement of displacement vector estimation from angular displacements. Medical Physics. 35: 2007-17. PMID 18561677 DOI: 10.1118/1.2905024 |
0.52 |
|
| 2008 |
Kim H, Zagzebski JA, Varghese T. Estimation of ultrasound attenuation from broadband echo-signals using bandpass filtering. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 55: 1153-9. PMID 18519224 DOI: 10.1109/Tuffc.2008.768 |
0.696 |
|
| 2008 |
Hobson MA, Madsen EL, Frank GR, Jiang J, Shi H, Hall TJ, Varghese T. Anthropomorphic phantoms for assessment of strain imaging methods involving saline-infused sonohysterography. Ultrasound in Medicine & Biology. 34: 1622-37. PMID 18514999 DOI: 10.1016/J.Ultrasmedbio.2008.02.013 |
0.827 |
|
| 2008 |
Shi H, Varghese T, Dempsey RJ, Salamat MS, Zagzebski JA. Relationship between ultrasonic attenuation, size and axial strain parameters for ex vivo atherosclerotic carotid plaque. Ultrasound in Medicine & Biology. 34: 1666-77. PMID 18490099 DOI: 10.1016/J.Ultrasmedbio.2008.02.014 |
0.73 |
|
| 2008 |
Rao M, Varghese T, Madsen EL. Shear strain imaging using shear deformations. Medical Physics. 35: 412-23. PMID 18383661 DOI: 10.1118/1.2825621 |
0.756 |
|
| 2008 |
Bharat S, Fisher TG, Varghese T, Hall TJ, Jiang J, Madsen EL, Zagzebski JA, Lee FT. Three-dimensional electrode displacement elastography using the Siemens C7F2 fourSight four-dimensional ultrasound transducer. Ultrasound in Medicine & Biology. 34: 1307-16. PMID 18374467 DOI: 10.1016/J.Ultrasmedbio.2008.01.007 |
0.821 |
|
| 2008 |
Daniels MJ, Jiang J, Varghese T. Ultrasound simulation of real-time temperature estimation during radiofrequency ablation using finite element models. Ultrasonics. 48: 40-55. PMID 18082236 DOI: 10.1016/J.Ultras.2007.10.005 |
0.595 |
|
| 2008 |
Kim H, Musack R, Varghese T, Kliewer M, Jiang J, Hall T, Zagzebski J. TU-C-332-08: Comparison of Pulse-Echo Methods for Measuring Ultrasound Attenuation in the Liver Medical Physics. 35: 2895-2895. DOI: 10.1118/1.2962529 |
0.72 |
|
| 2008 |
Rao M, Varghese T, Zagzebski J. TU‐C‐332‐05: Simulation of Ultrasound Two‐Dimensional Array Transducers Using a Frequency Domain Model Medical Physics. 35: 2894-2894. DOI: 10.1118/1.2962509 |
0.695 |
|
| 2008 |
Rao M, Varghese T. SU‐EE‐A4‐06: Estimation of the Optimal Maximum Beam Angle and Angular Increment for Normal and Shear Strain Estimation Medical Physics. 35: 2642-2642. DOI: 10.1118/1.2961397 |
0.617 |
|
| 2008 |
Zhao M, Shea JD, Hagness SC, Van Der Weide DW, Van Veen BD, Varghese T. Numerical study of microwave scattering in breast tissue via coupled dielectric and elastic contrasts Ieee Antennas and Wireless Propagation Letters. 7: 247-250. DOI: 10.1109/Lawp.2008.920752 |
0.315 |
|
| 2007 |
Rao M, Varghese T. Correlation analysis for angular compounding in strain imaging. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 54: 1903-7. PMID 17941397 DOI: 10.1109/Tuffc.2007.475 |
0.634 |
|
| 2007 |
Daniels MJ, Varghese T, Madsen EL, Zagzebski JA. Non-invasive ultrasound-based temperature imaging for monitoring radiofrequency heating-phantom results. Physics in Medicine and Biology. 52: 4827-43. PMID 17671338 DOI: 10.1088/0031-9155/52/16/008 |
0.768 |
|
| 2007 |
Hobson MA, Kiss MZ, Varghese T, Sommer AM, Kliewer MA, Zagzebski JA, Hall TJ, Harter J, Hartenbach EM, Madsen EL. In vitro uterine strain imaging: preliminary results. Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine. 26: 899-908. PMID 17592053 DOI: 10.7863/Jum.2007.26.7.899 |
0.813 |
|
| 2007 |
Shi H, Tu H, Dempsey RJ, Varghese T. Ultrasonic attenuation estimation in small plaque samples using a power difference method. Ultrasonic Imaging. 29: 15-30. PMID 17491296 DOI: 10.1177/016173460702900102 |
0.601 |
|
| 2007 |
Kim H, Varghese T. Attenuation estimation using spectral cross-correlation. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 54: 510-9. PMID 17375820 DOI: 10.1109/Tuffc.2007.274 |
0.606 |
|
| 2007 |
Jiang J, Varghese T, Chen Q, Hall TJ, Zagzebski JA. Finite element analysis of tissue deformation with a radiofrequency ablation electrode for strain imaging. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 54: 281-9. PMID 17328325 DOI: 10.1109/Tuffc.2007.242 |
0.659 |
|
| 2007 |
Shi H, Varghese T. Two-dimensional multi-level strain estimation for discontinuous tissue. Physics in Medicine and Biology. 52: 389-401. PMID 17202622 DOI: 10.1088/0031-9155/52/2/006 |
0.663 |
|
| 2007 |
Rao M, Chen Q, Shi H, Varghese T, Madsen EL, Zagzebski JA, Wilson TA. Normal and shear strain estimation using beam steering on linear-array transducers. Ultrasound in Medicine & Biology. 33: 57-66. PMID 17189047 DOI: 10.1016/J.Ultrasmedbio.2006.07.027 |
0.836 |
|
| 2007 |
Chen H, Shi H, Varghese T. Improvement of elastographic displacement estimation using a two-step cross-correlation method. Ultrasound in Medicine & Biology. 33: 48-56. PMID 17189046 DOI: 10.1016/J.Ultrasmedbio.2006.07.022 |
0.692 |
|
| 2007 |
Liu W, Zagzebski J, Kliewer M, Varghese T, Hall T. WE-D-L100J-06: Ultrasonic Scatterer Size Estimations in Liver Tumor Differentiation Medical Physics. 34: 2597-2597. DOI: 10.1118/1.2761542 |
0.692 |
|
| 2007 |
Hobson M, Shi H, Jiang J, Frank G, Varghese T, Madsen E. SU-FF-I-124: Anthropomorphic Uterus Phantoms for Testing Elastography Systems Medical Physics. 34: 2366-2366. DOI: 10.1118/1.2760500 |
0.837 |
|
| 2006 |
Liu W, Zagzebski JA, Varghese T, Gerig AL, Hall TJ. Spectral and scatterer-size correlation during angular compounding: simulations and experimental studies. Ultrasonic Imaging. 28: 230-44. PMID 17521044 DOI: 10.1177/016173460602800403 |
0.671 |
|
| 2006 |
Bharat S, Varghese T. Contrast-transfer improvement for electrode displacement elastography. Physics in Medicine and Biology. 51: 6403-18. PMID 17148825 DOI: 10.1088/0031-9155/51/24/008 |
0.733 |
|
| 2006 |
Pareek G, Wilkinson ER, Bharat S, Varghese T, Laeseke PF, Lee FT, Warner TF, Zagzebski JA, Nakada SY. Elastographic measurements of in-vivo radiofrequency ablation lesions of the kidney. Journal of Endourology / Endourological Society. 20: 959-64. PMID 17144871 DOI: 10.1089/End.2006.20.959 |
0.729 |
|
| 2006 |
Wilson T, Zagzebski J, Varghese T, Chen Q, Rao M. The Ultrasonix 500RP: a commercial ultrasound research interface. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 53: 1772-82. PMID 17036786 DOI: 10.1109/Tuffc.2006.110 |
0.673 |
|
| 2006 |
Rao M, Chen Q, Shi H, Varghese T. Spatial-angular compounding for elastography using beam steering on linear array transducers. Medical Physics. 33: 618-26. PMID 16878565 DOI: 10.1118/1.2168429 |
0.68 |
|
| 2006 |
Wilson T, Chen Q, Zagzebski JA, Varghese T, VanMiddlesworth L. Initial clinical experience imaging scatterer size and strain in thyroid nodules. Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine. 25: 1021-9. PMID 16870895 DOI: 10.7863/Jum.2006.25.8.1021 |
0.65 |
|
| 2006 |
Kiss MZ, Hobson MA, Varghese T, Harter J, Kliewer MA, Hartenbach EM, Zagzebski JA. Frequency-dependent complex modulus of the uterus: preliminary results. Physics in Medicine and Biology. 51: 3683-95. PMID 16861774 DOI: 10.1088/0031-9155/51/15/006 |
0.799 |
|
| 2006 |
Rao M, Varghese T. Correlation analysis of the beam angle dependence for elastography. The Journal of the Acoustical Society of America. 119: 4093-101. PMID 16838551 DOI: 10.1121/1.2195290 |
0.601 |
|
| 2006 |
Madsen EL, Hobson MA, Frank GR, Shi H, Jiang J, Hall TJ, Varghese T, Doyley MM, Weaver JB. Anthropomorphic breast phantoms for testing elastography systems. Ultrasound in Medicine & Biology. 32: 857-74. PMID 16785008 DOI: 10.1016/J.Ultrasmedbio.2006.02.1428 |
0.784 |
|
| 2006 |
Liu W, Zagzebski JA, Varghese T, Dyer CR, Techavipoo U, Hall TJ. Segmentation of elastographic images using a coarse-to-fine active contour model. Ultrasound in Medicine & Biology. 32: 397-408. PMID 16530098 DOI: 10.1016/J.Ultrasmedbio.2005.11.011 |
0.818 |
|
| 2006 |
Madsen EL, Hobson MA, Shi H, Varghese T, Frank GR. Stability of heterogeneous elastography phantoms made from oil dispersions in aqueous gels. Ultrasound in Medicine & Biology. 32: 261-70. PMID 16464671 DOI: 10.1016/J.Ultrasmedbio.2005.10.009 |
0.793 |
|
| 2006 |
Görig C, Varghese T, Stiles T, van den Broek J, Zagzebski JA, Murphy CJ. Evaluation of acoustic wave propagation velocities in the ocular lens and vitreous tissues of pigs, dogs, and rabbits. American Journal of Veterinary Research. 67: 288-95. PMID 16454635 DOI: 10.2460/Ajvr.67.2.288 |
0.52 |
|
| 2006 |
Bharat S, Zagzebski J, Madsen E, Varghese T. WE-C-330A-07: Radiofrequency Ablation Electrode Displacement Elastography Medical Physics. 33: 2230-2230. DOI: 10.1118/1.2241683 |
0.839 |
|
| 2006 |
Daniels M, Jiang J, Madsen E, Zagzebski J, Varghese T. WE-C-330A-06: FEA and Phantom Tests of Ultrasound Temperature Maps During Thermal Therapy Medical Physics. 33: 2230-2230. DOI: 10.1118/1.2241682 |
0.751 |
|
| 2006 |
Kim H, Zagzebski JA, Varghese T. Attenuation estimations from B-mode image data derived using bandpass filtering Proceedings - Ieee Ultrasonics Symposium. 1: 2076-2079. DOI: 10.1109/ULTSYM.2006.526 |
0.673 |
|
| 2006 |
Kim H, Varghese T. Performance comparison of attenuation estimation techniques Proceedings - Ieee Ultrasonics Symposium. 1: 1722-1725. DOI: 10.1109/ULTSYM.2006.434 |
0.57 |
|
| 2006 |
Rao M, Madsen EL, Varghese T. Shear strain imaging with shear deformation Proceedings - Ieee Ultrasonics Symposium. 1: 1274-1277. DOI: 10.1109/ULTSYM.2006.326 |
0.34 |
|
| 2005 |
Rao M, Varghese T. Spatial angular compounding for elastography without the incompressibility assumption. Ultrasonic Imaging. 27: 256-70. PMID 16761786 DOI: 10.1177/016173460502700404 |
0.59 |
|
| 2005 |
Techavipoo U, Chen Q, Varghese T. Ultrasonic noninvasive temperature estimation using echoshift gradient maps: simulation results. Ultrasonic Imaging. 27: 166-80. PMID 16550706 DOI: 10.1177/016173460502700303 |
0.753 |
|
| 2005 |
Madsen EL, Frank GR, Hobson MA, Shi H, Jiang J, Varghese T, Hall TJ. Spherical lesion phantoms for testing the performance of elastography systems. Physics in Medicine and Biology. 50: 5983-95. PMID 16333168 DOI: 10.1088/0031-9155/50/24/015 |
0.787 |
|
| 2005 |
Madsen EL, Hobson MA, Shi H, Varghese T, Frank GR. Tissue-mimicking agar/gelatin materials for use in heterogeneous elastography phantoms. Physics in Medicine and Biology. 50: 5597-618. PMID 16306655 DOI: 10.1088/0031-9155/50/23/013 |
0.811 |
|
| 2005 |
Shi H, Chen Q, Varghese T. A general solution for catheter position effects for strain estimation in intravascular elastography. Ultrasound in Medicine & Biology. 31: 1509-26. PMID 16286029 DOI: 10.1016/J.Ultrasmedbio.2005.07.004 |
0.655 |
|
| 2005 |
Chen Q, Gerig AL, Techavipoo U, Zagzebski JA, Varghese T. Correlation of RF signals during angular compounding. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 52: 961-70. PMID 16118977 DOI: 10.1109/Tuffc.2005.1504018 |
0.766 |
|
| 2005 |
Techavipoo U, Varghese T. Improvements in elastographic contrast-to-noise ratio using spatial-angular compounding. Ultrasound in Medicine & Biology. 31: 529-36. PMID 15831331 DOI: 10.1016/J.Ultrasmedbio.2005.01.006 |
0.746 |
|
| 2005 |
Bharat S, Techavipoo U, Kiss MZ, Liu W, Varghese T. Monitoring stiffness changes in lesions after radiofrequency ablation at different temperatures and durations of ablation. Ultrasound in Medicine & Biology. 31: 415-22. PMID 15749565 DOI: 10.1016/J.Ultrasmedbio.2004.12.020 |
0.802 |
|
| 2004 |
Varghese T, Daniels MJ. Real-time calibration of temperature estimates during radiofrequency ablation. Ultrasonic Imaging. 26: 185-200. PMID 15754799 DOI: 10.1177/016173460402600305 |
0.591 |
|
| 2004 |
Alam SK, Lizzi FL, Varghese T, Feleppa EJ, Ramachandran S. Adaptive spectral strain estimators for elastography. Ultrasonic Imaging. 26: 131-49. PMID 15754795 DOI: 10.1177/016173460402600301 |
0.468 |
|
| 2004 |
Techavipoo U, Chen Q, Varghese T, Zagzebski JA. Estimation of displacement vectors and strain tensors in elastography using angular insonifications. Ieee Transactions On Medical Imaging. 23: 1479-89. PMID 15575406 DOI: 10.1109/Tmi.2004.835604 |
0.827 |
|
| 2004 |
Kiss MZ, Varghese T, Hall TJ. Viscoelastic characterization of in vitro canine tissue. Physics in Medicine and Biology. 49: 4207-18. PMID 15509061 DOI: 10.1088/0031-9155/49/18/002 |
0.773 |
|
| 2004 |
Gerig A, Chen Q, Zagzebski J, Varghese T. Correlation of ultrasonic scatterer size estimates for the statistical analysis and optimization of angular compounding. The Journal of the Acoustical Society of America. 116: 1832-41. PMID 15478451 DOI: 10.1121/1.1756615 |
0.587 |
|
| 2004 |
Liu W, Techavipoo U, Varghese T, Zagzebski JA, Chen Q, Lee FT. Elastographic versus x-ray CT imaging of radio frequency ablation coagulations: an in vitro study. Medical Physics. 31: 1322-32. PMID 15259635 DOI: 10.1118/1.1738963 |
0.805 |
|
| 2004 |
Gerig AL, Varghese T, Zagzebski JA. Improved parametric imaging of scatterer size estimates using angular compounding. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 51: 708-15. PMID 15244284 DOI: 10.1109/Tuffc.2004.1304269 |
0.628 |
|
| 2004 |
Techavipoo U, Varghese T, Chen Q, Stiles TA, Zagzebski JA, Frank GR. Temperature dependence of ultrasonic propagation speed and attenuation in excised canine liver tissue measured using transmitted and reflected pulses. The Journal of the Acoustical Society of America. 115: 2859-65. PMID 15237809 DOI: 10.1121/1.1738453 |
0.765 |
|
| 2004 |
Techavipoo U, Chen Q, Varghese T, Zagzebski JA, Madsen EL. Noise reduction using spatial-angular compounding for elastography. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 51: 510-20. PMID 15217229 DOI: 10.1109/Tuffc.2004.1320824 |
0.827 |
|
| 2004 |
Techavipoo U, Varghese T, Zagzebski JA, Chen Q, Liu W. Semiautomated thermal lesion segmentation for three-dimensional elastographic imaging. Ultrasound in Medicine & Biology. 30: 655-64. PMID 15183232 DOI: 10.1016/J.Ultrasmedbio.2004.01.002 |
0.808 |
|
| 2004 |
Varghese T, Shi H. Elastographic imaging of thermal lesions in liver in-vivo using diaphragmatic stimuli. Ultrasonic Imaging. 26: 18-28. PMID 15134391 DOI: 10.1177/016173460402600102 |
0.617 |
|
| 2004 |
Techavipoo U, Varghese T. Wavelet denoising of displacement estimates in elastography. Ultrasound in Medicine & Biology. 30: 477-91. PMID 15121250 DOI: 10.1016/J.Ultrasmedbio.2003.11.010 |
0.76 |
|
| 2004 |
Varghese T, Techavipoo U, Zagzebski JA, Lee FT. Impact of gas bubbles generated during interstitial ablation on elastographic depiction of in vitro thermal lesions. Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine. 23: 535-44; quiz 545-6. PMID 15098873 DOI: 10.7863/Jum.2004.23.4.535 |
0.795 |
|
| 2004 |
Kiss MZ, Varghese T. Viscoelastic characterization of in-vitro canine liver tissue Proceedings - Ieee Ultrasonics Symposium. 3: 2086-2089. DOI: 10.1109/ULTSYM.2004.1418247 |
0.749 |
|
| 2003 |
Shi H, Varghese T, Chen Q, Gimelli G. Correction for simultaneous catheter eccentricity and tilt in intravascular elastography. Ultrasonic Imaging. 25: 262-83. PMID 15074513 DOI: 10.1177/016173460302500404 |
0.634 |
|
| 2003 |
Tu H, Varghese T, Madsen EL, Chen Q, Zagzebski JA. Ultrasound attenuation imaging using compound acquisition and processing. Ultrasonic Imaging. 25: 245-61. PMID 15074512 DOI: 10.1177/016173460302500403 |
0.746 |
|
| 2003 |
Varghese T, Techavipoo U, Liu W, Zagzebski JA, Chen Q, Frank G, Lee FT. Elastographic measurement of the area and volume of thermal lesions resulting from radiofrequency ablation: pathologic correlation. Ajr. American Journal of Roentgenology. 181: 701-7. PMID 12933463 DOI: 10.2214/Ajr.181.3.1810701 |
0.814 |
|
| 2003 |
Gerig A, Zagzebski J, Varghese T. Statistics of ultrasonic scatterer size estimation with a reference phantom. The Journal of the Acoustical Society of America. 113: 3430-7. PMID 12822813 DOI: 10.1121/1.1568945 |
0.602 |
|
| 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 |
0.695 |
|
| 2003 |
Varghese T, Zagzebski JA, Rahko P, Breburda CS. Ultrasonic imaging of myocardial strain using cardiac elastography. Ultrasonic Imaging. 25: 1-16. PMID 12747424 DOI: 10.1177/016173460302500101 |
0.645 |
|
| 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 |
0.8 |
|
| 2002 |
Techavipoo U, Varghese T, Zagzebski JA, Stiles T, Frank G. Temperature dependence of ultrasonic propagation speed and attenuation in canine tissue. Ultrasonic Imaging. 24: 246-60. PMID 12665240 DOI: 10.1177/016173460202400404 |
0.754 |
|
| 2002 |
Varghese T, Zagzebski JA, Lee FT. Elastographic imaging of thermal lesions in the liver in vivo following radiofrequency ablation: preliminary results. Ultrasound in Medicine & Biology. 28: 1467-73. PMID 12498942 DOI: 10.1016/S0301-5629(02)00656-7 |
0.61 |
|
| 2002 |
Varghese T, Zagzebski JA, Frank G, Madsen EL. Elastographic imaging using a handheld compressor. Ultrasonic Imaging. 24: 25-35. PMID 12102226 DOI: 10.1177/016173460202400103 |
0.753 |
|
| 2002 |
Varghese T, Zagzebski JA, Chen Q, Techavipoo U, Frank G, Johnson C, Wright A, Lee FT. Ultrasound monitoring of temperature change during radiofrequency ablation: preliminary in-vivo results. Ultrasound in Medicine & Biology. 28: 321-9. PMID 11978412 DOI: 10.1016/S0301-5629(01)00519-1 |
0.772 |
|
| 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 |
0.825 |
|
| 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 |
0.675 |
|
| 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 |
0.621 |
|
| 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 |
0.717 |
|
| 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 |
0.715 |
|
| 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 |
0.649 |
|
| 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 |
0.716 |
|
| 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 |
0.784 |
|
| 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 |
0.598 |
|
| 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 |
0.725 |
|
| 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 |
0.662 |
|
| 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 |
0.664 |
|
| 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 |
0.689 |
|
| 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 |
0.591 |
|
| 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 |
0.655 |
|
| 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 |
0.644 |
|
| 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 |
0.662 |
|
| 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 |
0.711 |
|
| 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 |
0.657 |
|
| 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 |
0.649 |
|
| 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 |
0.624 |
|
| 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 |
0.607 |
|
| 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 |
0.659 |
|
| 1997 |
Varghese T, Ophir J, Kallel F. Theoretical framework for elastographic imaging: The strain filter Ultrasound in Medicine and Biology. 23. |
0.337 |
|
| 1997 |
Konofagou EE, Varghese T, Ophir J. Variable compressions with RF and baseband processing for dynamic range expansion of elastograms Journal of Medical Ultrasonics. 24: 3-10. |
0.54 |
|
| 1996 |
Varghese T, Ophir J. Performance optimization in elastography: Multicompression with temporal stretching Ultrasonic Imaging. 18: 193-214. PMID 9123673 DOI: 10.1177/016173469601800303 |
0.632 |
|
| 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 |
0.652 |
|
| 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 |
0.635 |
|
| 1995 |
Varghese T, Donohue KD. Estimating Mean Scatterer Spacing with the Frequency-Smoothed Spectral Autocorrelation Function Ieee Transactions On Ultrasonics, Ferroelectrics and Frequency Control. 42: 451-463. DOI: 10.1109/58.384455 |
0.653 |
|
| 1994 |
Varghese T, Donohue KD. Mean-scatterer spacing estimates with spectral correlation Journal of the Acoustical Society of America. 96: 3504-3515. PMID 7814765 DOI: 10.1121/1.410611 |
0.641 |
|
| 1993 |
Donohue KD, Bressler JM, Varghese T, Bilgutay NM. Spectral correlation in ultrasonic pulse echo signal processing. Ieee Transactions On Ultrasonics, Ferroelectrics, and Frequency Control. 40: 330-7. PMID 18263188 DOI: 10.1109/58.251281 |
0.635 |
|
| 1993 |
Varghese T, Donohue KD. Characterization of tissue microstructure scatterer distribution with spectral correlation Ultrasonic Imaging. 15: 238-254. PMID 8879094 DOI: 10.1177/016173469301500304 |
0.643 |
|
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