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 …

[HTML][HTML] A quality-guided displacement tracking algorithm for ultrasonic elasticity imaging

L Chen, GM Treece, JE Lindop, AH Gee… - Medical image …, 2009 - Elsevier
Displacement estimation is a key step in the evaluation of tissue elasticity by quasistatic
strain imaging. An efficient approach may incorporate a tracking strategy whereby each …

Recent results in nonlinear strain and modulus imaging

TJ Hall, PE Barboneg, AA Oberai… - Current Medical …, 2011 - ingentaconnect.com
We report a summary of recent developments and current status of our team's efforts to
image and quantify in vivo nonlinear strain and tissue mechanical properties. Our work is …

Second-Order Ultrasound Elastography With L1-Norm Spatial Regularization

M Ashikuzzaman, H Rivaz - IEEE Transactions on Ultrasonics …, 2022 - ieeexplore.ieee.org
Time delay estimation (TDE) between two radio-frequency (RF) frames is one of the major
steps of quasi-static ultrasound elastography, which detects tissue pathology by estimating …

Nonrigid registration of ultrasound and MRI using contextual conditioned mutual information

H Rivaz, Z Karimaghaloo, VS Fonov… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
Mutual information (MI) quantifies the information that is shared between two random
variables and has been widely used as a similarity metric for multi-modal and uni-modal …

Ultrasound Elastography: Methods, Clinical Applications, and Limitations: A Review Article

AA Oglat, T Abukhalil - Applied Sciences, 2024 - mdpi.com
Ultrasound is a highly adaptable medical imaging modality that offers several applications
and a wide range of uses, both for diagnostic and therapeutic purposes. The principles of …

Bayesian regularization applied to ultrasound strain imaging

M McCormick, N Rubert… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
Noise artifacts due to signal decorrelation and reverberation are a considerable problem in
ultrasound strain imaging. For block-matching methods, information from neighboring …

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 …

Ablation Monitoring with Elastography: 2D In-vivo and 3D Ex-vivo Studies

H Rivaz, I Fleming, L Assumpcao, G Fichtinger… - … Image Computing and …, 2008 - Springer
The clinical feasibility of 2D elastography methods is hindered by the requirement that the
operator avoid out-of-plane motion of the ultrasound image during palpation, and also by the …

Development of a wireless and near real-time 3D ultrasound strain imaging system

Z Chen, Y Chen, Q Huang - IEEE Transactions on Biomedical …, 2015 - ieeexplore.ieee.org
Ultrasound elastography is an important medical imaging tool for characterization of lesions.
In this paper, we present a wireless and near real-time 3D ultrasound strain imaging system …