Quantitative ultrasound imaging of soft biological tissues: a primer for radiologists and medical physicists

G Cloutier, F Destrempes, F Yu, A Tang - Insights into Imaging, 2021 - Springer
Quantitative ultrasound (QUS) aims at quantifying interactions between ultrasound and
biological tissues. QUS techniques extract fundamental physical properties of tissues based …

Parameter estimation of the homodyned K distribution based on an artificial neural network for ultrasound tissue characterization

Z Zhou, A Gao, W Wu, DI Tai, JH Tseng, S Wu, PH Tsui - Ultrasonics, 2021 - Elsevier
The homodyned K (HK) distribution allows a general description of ultrasound backscatter
envelope statistics with specific physical meanings. In this study, we proposed a new …

Homodyned K-distribution parameter estimation in quantitative ultrasound: autoencoder and bayesian neural network approaches

AKZ Tehrani, G Cloutier, A Tang… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Quantitative ultrasound (QUS) analyzes the ultrasound (US) backscattered data to find the
properties of scatterers that correlate with the tissue microstructure. Statistics of the envelope …

Liver fibrosis assessment using radiomics of ultrasound homodyned-K imaging based on the artificial neural network estimator

Z Zhou, Z Zhang, A Gao, DI Tai, S Wu… - Ultrasonic …, 2022 - journals.sagepub.com
The homodyned-K distribution is an important ultrasound backscatter envelope statistics
model of physical meaning, and the parametric imaging of the model parameters has been …

Parallelized ultrasound homodyned-K imaging based on a generalized artificial neural network estimator

X Wu, K Lv, S Wu, DI Tai, PH Tsui, Z Zhou - Ultrasonics, 2023 - Elsevier
The homodyned-K (HK) distribution model is a generalized backscatter envelope statistical
model for ultrasound tissue characterization, whose parameters are of physical meaning. To …

Ultrasound shear wave attenuation imaging for grading liver steatosis in volunteers and patients with non-alcoholic fatty liver disease: A pilot study

L Yazdani, I Rafati, M Gesnik, F Nicolet… - Ultrasound in Medicine …, 2023 - Elsevier
Objective The aims of the work described here were to assess shear wave attenuation
(SWA) in volunteers and patients with non-alcoholic fatty liver disease (NAFLD) and …

The revisited frequency-shift method for shear wave attenuation computation and imaging

L Yazdani, M Bhatt, I Rafati, A Tang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Ultrasound (US) shear wave (SW) elastography has been widely studied and implemented
on clinical systems to assess the elasticity of living organs. Imaging of SW attenuation …

Fat and fibrosis as confounding cofactors in viscoelastic measurements of the liver

SS Poul, KJ Parker - Physics in Medicine & Biology, 2021 - iopscience.iop.org
Elastography provides significant information on staging of fibrosis in patients with liver
disease and may be of some value in assessing steatosis. However, there remain questions …

Statistical modeling of ultrasound signals related to the packing factor of wave scattering phenomena for structural characterization

F Destrempes, G Cloutier - The Journal of the Acoustical Society of …, 2021 - pubs.aip.org
The two-dimensional homodyned K-distribution has been widely used to model the echo
envelope of ultrasound radio frequency (RF) signals in the field of medical ultrasonics. The …

A two-dimensional angular interpolation based on radial basis functions for high frame rate ultrafast imaging

S Afrakhteh, G Iacca, L Demi - The Journal of the Acoustical Society of …, 2023 - pubs.aip.org
To solve the problem of reduced image quality in plane wave imaging (PWI), coherent plane
wave compounding (CPWC) has been introduced, based on a combination of plane wave …