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 …

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 …

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 …

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

A Zayed, H Rivaz - IEEE transactions on ultrasonics …, 2020 - ieeexplore.ieee.org
Ultrasound elastography aims to determine the mechanical properties of the tissue by
monitoring tissue deformation due to internal or external forces. Tissue deformations are …

Two‐dimensional ultrasound‐computed tomography image registration for monitoring percutaneous hepatic intervention

RM Pohlman, MR Turney, PH Wu, CL Brace… - Medical …, 2019 - Wiley Online Library
Purpose Deformable registration of ultrasound (US) and contrast enhanced computed
tomography (CECT) images are essential for quantitative comparison of ablation boundaries …

Fast approximate time-delay estimation in ultrasound elastography using principal component analysis

A Zayed, H Rivaz - … 41st Annual International Conference of the …, 2019 - ieeexplore.ieee.org
Time delay estimation (TDE) is a critical and challenging step in all ultrasound elastography
methods. A growing number of TDE techniques require an approximate but robust and fast …

Physiological motion reduction using Lagrangian tracking for electrode displacement elastography

RM Pohlman, T Varghese - Ultrasound in medicine & biology, 2020 - Elsevier
Minimally invasive treatments such as microwave ablation (MWA) have been growing in
popularity for extending liver cancer survival rates in patients, when surgery is not an option …

Differential imaging of liver tumors before and after microwave ablation with electrode displacement elastography

RM Pohlman, JL Hinshaw, TJ Ziemlewicz… - Ultrasound in medicine …, 2021 - Elsevier
Liver cancer is a leading cause of cancer-related deaths; however, primary treatment
options such as surgical resection and liver transplant may not be viable for many patients …

C-elastography: In vitro feasibility phantom study

DP Shahraki, V Kumar, S Ghavami, MW Urban… - Ultrasound in medicine …, 2020 - Elsevier
C-Elastography (CE) is a new ultrasound technique that locally maps the non-linear
elasticity of soft tissue using low-frequency (150–250 Hz) shear waves generated by the …

[PDF][PDF] Accurate and Precise Displacement Estimation for Ultrasound Elastography

M Mirzaei - 2021 - spectrum.library.concordia.ca
Accurate and Precise Displacement Estimation for Ultrasound Elastography Morteza
Mirzaei, Ph. D. Concordia University, 2021 Elastography is a technique for detecting …