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 …

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

M Ashikuzzaman, A Sadeghi-Naini… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Ultrasound elastography is a prominent noninvasive medical imaging technique that
estimates tissue elastic properties to detect abnormalities in an organ. A common …

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 …

Incorporating gradient similarity for robust time delay estimation in ultrasound elastography

M Ashikuzzaman, TJ Hall… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Energy-based ultrasound elastography techniques minimize a regularized cost function
consisting of data and continuity terms to obtain local displacement estimates based on the …

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) …

MixTURE: L1-Norm-Based Mixed Second-Order Continuity in Strain Tensor Ultrasound Elastography

M Ashikuzzaman, A Sharma… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Energy-based displacement tracking of ultrasound images can be implemented by
optimizing a cost function consisting of a data term, a mechanical congruency term, and first …

Two-dimensional displacement estimation using mixed second-order regularization in total variation-based ultrasound elastography

M Ashikuzzaman, H Rivaz… - Medical Imaging 2024 …, 2024 - spiedigitallibrary.org
A recent technique named Mechanically-inspired L1-norm-based Second-Order Ultrasound
eLastography (L1-MechSOUL) has provided a promising solution to the well-known issue of …

Ultrasound Strain Imaging using ADMM

M Ashikuzzaman, H Rivaz - arXiv preprint arXiv:2201.04363, 2022 - arxiv.org
Ultrasound strain imaging, which delineates mechanical properties to detect tissue
abnormalities, involves estimating the time-delay between two radio-frequency (RF) frames …