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 …

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 …

Spatiotemporal Bayesian Regularization for Cardiac Strain Imaging: Simulation and In Vivo Results

R Al Mukaddim, NH Meshram… - IEEE open journal of …, 2021 - ieeexplore.ieee.org
Cardiac strain imaging (CSI) plays a critical role in the detection of myocardial motion
abnormalities. Displacement estimation is an important processing step to ensure the …

2-D locally regularized tissue strain estimation from radio-frequency ultrasound images: Theoretical developments and results on experimental data

E Brusseau, J Kybic, JF Déprez… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
In this paper, a 2-D locally regularized strain estimation method for imaging deformation of
soft biological tissues from radio-frequency (RF) ultrasound (US) data is introduced …

Robust strain-estimation algorithm using combined radiofrequency and envelope cross-correlation with diffusion filtering

MA Hussain, SK Alam, SY Lee… - Ultrasonic …, 2012 - journals.sagepub.com
In ultrasound elastography, the strain in compressed tissue due to external deformation is
estimated and is smaller in harder than softer tissue. With increased stress, the nonaxial …

An H Strategy for Strain Estimation in Ultrasound Elastography Using Biomechanical Modeling Constraint

Z Hu, H Zhang, J Yuan, M Lu, S Chen, H Liu - PloS one, 2013 - journals.plos.org
The purpose of ultrasound elastography is to identify lesions by reconstructing the hardness
characteristics of tissue reconstructed from ultrasound data. Conventional quasi-static …

Systematic performance evaluation of a cross-correlation-based ultrasound strain imaging method

H Li, Y Guo, WN Lee - Ultrasound in medicine & biology, 2016 - Elsevier
Estimation of tissue motion in the lateral direction remains a major challenge in 2-D
ultrasound strain imaging (USI). Although various methodologies have been proposed to …

Estimation of strain elastography from ultrasound radio-frequency data by utilizing analytic gradient of the similarity metric

M Omidyeganeh, Y Xiao, MO Ahmad… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
Most strain imaging techniques follow a pipeline strategy: in the first step, tissue
displacement is estimated from radio-frequency (RF) frames, and in the second step, a …

Combining total variation regularization with window-based time delay estimation in ultrasound elastography

M Mirzaei, A Asif, H Rivaz - IEEE transactions on medical …, 2019 - ieeexplore.ieee.org
A major challenge of free-hand palpation ultrasound elastography (USE) is estimating the
displacement of RF samples between pre-and post-compressed RF data. The problem of …

An autocorrelation-based method for improvement of sub-pixel displacement estimation in ultrasound strain imaging

S Kim, SR Aglyamov, S Park… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
In ultrasound strain and elasticity imaging, an accurate and cost-effective sub-pixel
displacement estimator is required because strain/elasticity imaging quality relies on the …