Lateral strain imaging using self-supervised and physically inspired constraints in unsupervised regularized elastography

AKZ Tehrani, M Ashikuzzaman… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Convolutional Neural Networks (CNN) have shown promising results for displacement
estimation in UltraSound Elastography (USE). Many modifications have been proposed to …

Defcor-net: physics-aware ultrasound deformation correction

Z Jiang, Y Zhou, D Cao, N Navab - Medical Image Analysis, 2023 - Elsevier
The recovery of morphologically accurate anatomical images from deformed ones is
challenging in ultrasound (US) image acquisition, but crucial to accurate and consistent …

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

M Ashikuzzaman, AKZ Tehrani… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Tracking the displacement between the pre-and post-deformed radio-frequency (RF) frames
is a pivotal step of ultrasound elastography, which depicts tissue mechanical properties to …

Convolutional neural network-based speckle tracking for ultrasound strain elastography: an unsupervised learning approach

S Wen, B Peng, X Wei, J Luo… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Accurate and computationally efficient motion estimation is a critical component of real-time
ultrasound strain elastography (USE). With the advent of deep-learning neural network …

Displacement Tracking Techniques in Ultrasound Elastography: From Cross-Correlation to Deep Learning

M Ashikuzzaman, A Héroux, A Tang… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Ultrasound elastography is a non-invasive medical imaging technique that maps
viscoelastic properties to characterize tissues and diseases. Elastography can be divided …

Phase Aberration Correction: A Deep Learning-Based Aberration to Aberration Approach

M Sharifzadeh, S Goudarzi, A Tang, H Benali… - arXiv preprint arXiv …, 2023 - arxiv.org
One of the primary sources of suboptimal image quality in ultrasound imaging is phase
aberration. It is caused by spatial changes in sound speed over a heterogeneous medium …

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
Background Ultrasound strain imaging, which delineates mechanical properties to detect
tissue abnormalities, involves estimating the time delay between two radio‐frequency (RF) …

A data-efficient deep learning strategy for tissue characterization via quantitative ultrasound: Zone training

U Soylu, ML Oelze - IEEE transactions on ultrasonics …, 2023 - ieeexplore.ieee.org
Deep learning (DL) powered biomedical ultrasound imaging is an emerging research field
where researchers adapt the image analysis capabilities of DL algorithms to biomedical …

Physically inspired constraint for unsupervised regularized ultrasound elastography

A KZ Tehrani, H Rivaz - … Conference on Medical Image Computing and …, 2022 - Springer
Displacement estimation is a critical step of virtually all Ultrasound Elastography (USE)
techniques. Two main features make this task unique compared to the general optical flow …

A novel stretching factor estimator based on an adaptive bisection method for ultrasound strain imaging

Z Hosseini, A Khadem, MH Bibalan - Biomedical Signal Processing and …, 2024 - Elsevier
Objective: Displacement estimation (also known as time-delay estimation (TDE)) is a
challenging step in ultrasound elastography. The main issue of existing TDE techniques is …