Fast strain estimation and frame selection in ultrasound elastography using machine learning

A Zayed, H Rivaz - IEEE transactions on ultrasonics …, 2020 - ieeexplore.ieee.org
… In the inference stage, we use dynamic programming (DP) to compute an initial displacement
estimate of around 1% of the samples and then decompose this sparse displacement into …

Combining physics-based modeling and deep learning for ultrasound elastography

N Mohammadi, MM Doyley… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
… and datadriven methodology for ultrasound elastography on the basis of FEMs by solving
a regularized optimization problem. The proposed approach introduces an explicit integrated …

Strain Elastogram Improvement through Dynamic Programming Refinement using Multi-objective Optimization Technique

M Kalani, A Fallah, S Rashidi… - 2023 30th National and …, 2023 - ieeexplore.ieee.org
… [7] CS Park, SH Kim, NY Jung, JJ Choi, BJ Kang, and HS Jung, "Interobserver variability of
ultrasound elastography and the ultrasound BIRADS lexicon of breast lesions," Breast Cancer…

Ultrasound Elastography using Machine Learning

A Zayed - 2020 - spectrum.library.concordia.ca
… This yields the same result that we could have had if we run dynamic programming (DP).
The advantage of using PCA is that we could compute the same initial displacement image …

Second-Order Ultrasound Elastography With L1-Norm Spatial Regularization

M Ashikuzzaman, H Rivaz - IEEE Transactions on Ultrasonics …, 2022 - ieeexplore.ieee.org
… steps of quasi-static ultrasound elastography, which detects tissue … dynamic programming
(DP) [30], [41] and analytic optimization-based techniques such as dynamic programming

Combining first-and second-order continuity constraints in ultrasound elastography

M Ashikuzzaman, A Sadeghi-Naini… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
… constraint with an optical flow-based approach to devise a direct strain estimation … by dynamic
programming (DP) [45]. We name our technique Second-Order Ultrasound eLastography (…

[HTML][HTML] A displacement estimated method for real time tissue ultrasound elastography

H Li, M Zhang, K Yu, X Qi, J Tong - Mobile Networks and Applications, 2021 - Springer
… , the block matching method and zero phase method are improved and combined. We propose
a novel displacement estimation method for real time tissue ultrasound elastography and …

Bi-directional semi-supervised training of convolutional neural networks for ultrasound elastography displacement estimation

AKZ Tehrani, M Sharifzadeh, E Boctor… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… The main idea of the optimization-based methods is to determine an initial coarse
estimation, usually by dynamic programming (DP) [8], followed by minimizing a regularized cost …

Alternating direction method of multipliers for displacement estimation in ultrasound strain elastography

M Ashikuzzaman, B Peng, J Jiang, H Rivaz - Medical physics, 2024 - Wiley Online Library
elastography. One of the biggest challenges to the wide adoption of deep learning in ultrasound
elastography is … Along this line, Second-order Ultrasound Elastography (SOUL) 9 has …

Exploiting mechanics-based priors for lateral displacement estimation in ultrasound elastography

M Ashikuzzaman, AKZ Tehrani… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
… (RF) frames is a pivotal step of ultrasound elastography, which depicts tissue mechanical
properties to identify pathologies. Due to ultrasound’s poor ability to capture information …