Publications by authors named "Jonathan Ophir"

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Design and Testing of a Single-Element Ultrasound Viscoelastography System for Point-of-Care Edema Quantification.
John J Pitre, Leo B Koziol, Grant H Kruger, Alan Vollmer, Jonathan Ophir

Ultrasound Med Biol· September 2016

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Small breast lesion classification performance using the normalized axial-shear strain area feature.
Arun K Thittai, Jose-Miguel Yamal, Jonathan Ophir

Ultrasound Med Biol· March 2013

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On the advantages of imaging the axial-shear strain component of the total shear strain in breast tumors.
Arun K Thittai, Belfor Galaz, Jonathan Ophir

Ultrasound Med Biol· November 2012

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Visualization of HIFU-induced lesion boundaries by axial-shear strain elastography: a feasibility study.
Arun K Thittai, Belfor Galaz, Jonathan Ophir

Ultrasound Med Biol· March 2011

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Axial-shear strain elastography for breast lesion classification: further results from in vivo data.
Arun K Thittai, Jose-Miguel Yamal, Louise M Mobbs, Christina M Kraemer-Chant, Srinivasa Chekuri, Jonathan Ophir

Ultrasound Med Biol· February 2011

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Importance of axial compression verification to correct interpretation of axial-shear strain elastograms in breast lesions.
Arun K Thittai, Belfor Galaz, Jonathan Ophir

Ultrason Imaging· July 2010

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Axial-shear strain distributions in an elliptical inclusion model: experimental validation and in vivo examples with implications to breast tumor classification.
Arun K Thittai, Belfor Galaz, Jonathan Ophir

Ultrasound Med Biol· May 2010

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Breast tumor classification using axial shear strain elastography: a feasibility study.
Arun Thitaikumar, Louise M Mobbs, Christina M Kraemer-Chant, Brian S Garra, Jonathan Ophir

Phys Med Biol· September 2008

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On the differences between two-dimensional and three-dimensional simulations for assessing elastographic image quality: a simulation study.
Abhay V Patil, Thomas A Krouskop, Jonathan Ophir, Seshadri Srinivasan

Ultrasound Med Biol· July 2008

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The feasibility of using poroelastographic techniques for distinguishing between normal and lymphedematous tissues in vivo.
Raffaella Righetti, Brian S Garra, Louise M Mobbs, Christina M Kraemer-Chant, Jonathan Ophir

Phys Med Biol· November 2007

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Effect of lesion boundary conditions on axial strain elastograms: a parametric study.
Arun Thitaikumar, Jonathan Ophir

Ultrasound Med Biol· September 2007

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The feasibility of estimating and imaging the mechanical behavior of poroelastic materials using axial strain elastography.
Raffaella Righetti, Mariapaola Righetti, Jonathan Ophir, Thomas A Krouskop

Phys Med Biol· June 2007

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Visualization of bonding at an inclusion boundary using axial-shear strain elastography: a feasibility study.
Arun Thitaikumar, Thomas A Krouskop, Brian S Garra, Jonathan Ophir

Phys Med Biol· May 2007

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Assessing image quality in effective Poisson's ratio elastography and poroelastography: I.
Raffaella Righetti, Seshadri Srinivasan, Arun Thitai Kumar, Jonathan Ophir, Thomas A Krouskop

Phys Med Biol· March 2007

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Assessing image quality in effective Poisson's ratio elastography and poroelastography: II.
Raffaella Righetti, Jonathan Ophir, Arun Thitai Kumar, Thomas A Krouskop

Phys Med Biol· March 2007

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Signal-to-noise ratio, contrast-to-noise ratio and their trade-offs with resolution in axial-shear strain elastography.
Arun Thitaikumar, Thomas A Krouskop, Jonathan Ophir

Phys Med Biol· January 2007

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Resolution of axial shear strain elastography.
Arun Thitaikumar, Raffaella Righetti, Thomas A Krouskop, Jonathan Ophir

Phys Med Biol· October 2006

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Comparison of shift estimation strategies in spectral elastography.
Kenneth Hoyt, Flemming Forsberg, Jonathan Ophir

Ultrasonics· January 2006

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Enhancing the performance of model-based elastography by incorporating additional a priori information in the modulus image reconstruction process.
Marvin M Doyley, Seshadri Srinivasan, Eugene Dimidenko, Nirmal Soni, Jonathan Ophir

Phys Med Biol· January 2006

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Analysis of a hybrid spectral strain estimation technique in elastography.
Kenneth Hoyt, Flemming Forsberg, Jonathan Ophir

Phys Med Biol· January 2006

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A new method for generating poroelastograms in noisy environments.
Raffaella Righetti, Jonathan Ophir, Brian S Garra, Rajah M Chandrasekhar, Thomas A Krouskop

Ultrason Imaging· October 2005

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Investigation of parametric spectral estimation techniques for elasticity imaging.
Kenneth Hoyt, Flemming Forsberg, Jonathan Ophir

Ultrasound Med Biol· August 2005

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Noise performance and signal-to-noise ratio of shear strain elastograms.
Arun Thitai Kumar, Jonathan Ophir, Thomas A Krouskop

Ultrason Imaging· July 2005

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Comparative evaluation of strain-based and model-based modulus elastography.
Marvin M Doyley, Seshadri Srinivasan, Sarah A Pendergrass, Ziji Wu, Jonathan Ophir

Ultrasound Med Biol· June 2005

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A method for generating permeability elastograms and Poisson's ratio time-constant elastograms.
Raffaella Righetti, Jonathan Ophir, Thomas A Krouskop

Ultrasound Med Biol· June 2005

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