Estimating axial and lateral strain using a synthetic aperture elastographic imaging system

S Korukonda, MM Doyley - Ultrasound in medicine & biology, 2011 - Elsevier
Model-based elastography is an emerging technique with clinical applications in imaging
vascular tissues, guiding minimally invasive therapies and diagnosing breast and prostate …

A new elastographic method for estimation and imaging of lateral displacements, lateral strains, corrected axial strains and Poisson's ratios in tissues

E Konofagou, J Ophir - Ultrasound in medicine & biology, 1998 - Elsevier
A major disadvantage of the current practice of elastography is that only the axial component
of the strain is estimated. The lateral and elevational components are basically disregarded …

[HTML][HTML] In vitro comparison of five different elastography systems for clinical applications, using strain and shear wave technology

A Mulabecirovic, M Vesterhus, OH Gilja… - Ultrasound in medicine & …, 2016 - Elsevier
Several different platforms providing ultrasound elastography have emerged in recent years.
In this in vitro study on a single tissue-mimicking phantom (CIRS Model 49), we aimed to …

Theoretical derivation of SNR, CNR and spatial resolution for a local adaptive strain estimator for elastography

S Srinivasan, J Ophir, SK Alam - Ultrasound in medicine & biology, 2004 - Elsevier
Conventional techniques in elastography estimate the axial strain as the gradient of the
displacement (time-delay) estimates obtained using cross-correlation of pre-and temporally …

Freehand real-time elastography: impact of scanning parameters on image quality and in vitro intra-and interobserver validations

RF Havre, E Elde, OH Gilja, S Ödegaard… - Ultrasound in medicine …, 2008 - Elsevier
Real-time elastography is a method for visualization of the elastic properties of soft tissue
and may potentially enable differentiation between malignant and benign pathologic …

Estimation of displacement vectors and strain tensors in elastography using angular insonifications

U Techavipoo, Q Chen, T Varghese… - IEEE transactions on …, 2004 - ieeexplore.ieee.org
In current practice, only one out of three components of the tissue displacement vector and
one of nine components of the strain tensor are accurately estimated and imaged in …

Visualizing the radial and circumferential strain distribution within vessel phantoms using synthetic-aperture ultrasound elastography

S Korukonda, MM Doyley - IEEE transactions on ultrasonics …, 2012 - ieeexplore.ieee.org
Noninvasive elastography (NIVE) produces elastograms that are difficult to interpret
because NIVE visualizes strain in the transducer coordinate system. In this paper, we …

A zero-crossing strain estimator for elastography

S Srinivasan, J Ophir - Ultrasound in medicine & biology, 2003 - Elsevier
A novel zero-crossing tracking strain estimator (ZCT) has been developed for elastography.
This technique is based on tracking the zero-crossings between the pre-and …

Performances and limitations of several ultrasound-based elastography techniques: a phantom study

S Franchi-Abella, C Elie, JM Correas - Ultrasound in Medicine & Biology, 2017 - Elsevier
The objective of this study is to assess strain and shear wave (SW) elastography
performance in terms of accuracy by performing in vitro measurements on a calibrated …

Comparative evaluation of strain-based and model-based modulus elastography

MM Doyley, S Srinivasan, SA Pendergrass… - Ultrasound in medicine …, 2005 - Elsevier
Elastography based on strain imaging currently endures mechanical artefacts and limited
contrast transfer efficiency. Solving the inverse elasticity problem (IEP) should obviate these …