Variance and covariance of accumulated displacement estimates

M Bayer, TJ Hall - Ultrasonic imaging, 2013 - journals.sagepub.com
Tracking large deformations in tissue using ultrasound can enable the reconstruction of
nonlinear elastic parameters, but poses a challenge to displacement estimation algorithms …

Robust strain-estimation algorithm using combined radiofrequency and envelope cross-correlation with diffusion filtering

MA Hussain, SK Alam, SY Lee… - Ultrasonic …, 2012 - journals.sagepub.com
In ultrasound elastography, the strain in compressed tissue due to external deformation is
estimated and is smaller in harder than softer tissue. With increased stress, the nonaxial …

Locally optimized correlation-guided Bayesian adaptive regularization for ultrasound strain imaging

R Al Mukaddim, NH Meshram… - Physics in Medicine & …, 2020 - iopscience.iop.org
Ultrasound strain imaging utilizes radio-frequency (RF) ultrasound echo signals to estimate
the relative elasticity of tissue under deformation. Due to the diagnostic value inherent in …

A stochastic filtering approach to recover strain images from quasi-static ultrasound elastography

M Lu, D Wu, W Lin, W Li, H Zhang… - Biomedical engineering …, 2014 - Springer
Background Model-based reconstruction algorithms have shown potentials over
conventional strain-based methods in quasi-static elastographic image by using realistic …

Ultrasound elastography using multiple images

H Rivaz, EM Boctor, MA Choti, GD Hager - Medical image analysis, 2014 - Elsevier
Displacement estimation is an essential step for ultrasound elastography and numerous
techniques have been proposed to improve its quality using two frames of ultrasound RF …

Analytical phase-tracking-based strain estimation for ultrasound elasticity

L Yuan, PC Pedersen - IEEE transactions on ultrasonics …, 2015 - ieeexplore.ieee.org
A new strain estimator for quasi-static elastography is presented, based on tracking of the
analytical signal phase as a function of the external force. Two implementations are …

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 …

SHEAR-net: An end-to-end deep learning approach for single push ultrasound shear wave elasticity imaging

T Ahmed, MK Hasan - arXiv preprint arXiv:1902.04845, 2019 - arxiv.org
Ultrasound Shear Wave Elastography (USWE) with conventional B-mode imaging
demonstrates better performance in lesion segmentation and classification problems. In this …

Robust dynamic programming method for ultrasound elastography

I Fleming, H Rivaz, E Boctor… - Medical Imaging 2012 …, 2012 - spiedigitallibrary.org
Ultrasound elastography is an imaging technology which can detect differences in tissue
stiffness based on tissue deformation. For successful clinical use in cancer diagnosis and …

A robust method to estimate the time constant of elastographic parameters

MT Islam, A Chaudhry, R Righetti - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Novel viscoelastic and poroelastic elastography techniques rely on the accurate estimation
of the temporal behavior of the axial or lateral strains and related parameters. From the …