Scatterer size estimation for ultrasound tissue characterization: A survey

Z Zhou, R Gao, S Wu, Q Ding, G Bin, PH Tsui - Measurement, 2023 - Elsevier
Quantitative ultrasound is a cutting-edge ultrasound technology which can measure
quantified information related to tissue or material microstructures from ultrasound …

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 …

Detection of microwave ablation coagulation areas using ultrasound Nakagami imaging based on Gaussian pyramid decomposition: A feasibility study

S Li, PH Tsui, S Song, W Wu, Z Zhou, S Wu - Ultrasonics, 2022 - Elsevier
In this paper, we explored the feasibility of using ultrasound Nakagami-m parametric
imaging based on Gaussian pyramid decomposition (GPD) to detect microwave ablation …

[HTML][HTML] A Highly Flexible Piezoelectric Ultrasonic Sensor for Wearable Bone Density Testing

Z Song, B Wang, Z Zhang, Y Yu, D Lin - Micromachines, 2023 - mdpi.com
Driven by the loss of bone calcium, the elderly are prone to osteoporosis, and regular
routine checks on bone status are necessary, which mainly rely on bone testing equipment …

[HTML][HTML] Ultrasound Entropy Imaging Based on the Kernel Density Estimation: A New Approach to Hepatic Steatosis Characterization

R Gao, PH Tsui, S Wu, DI Tai, G Bin, Z Zhou - Diagnostics, 2023 - mdpi.com
In this paper, we present the kernel density estimation (KDE)-based parallelized ultrasound
entropy imaging and apply it for hepatic steatosis characterization. A KDE technique was …

[HTML][HTML] Modified multi-Rayleigh model-based statistical analysis of ultrasound envelope for quantification of liver steatosis and fibrosis

Y Ujihara, K Tamura, S Mori, DI Tai, PH Tsui… - Journal of Medical …, 2024 - Springer
Purpose Quantitative diagnosis of the degree of fibrosis progression is currently a focus of
attention for fatty liver in nonalcoholic steatohepatitis (NASH). However, previous studies …

[HTML][HTML] Multimodality quantitative ultrasound envelope statistics imaging based support vector machines for characterizing tissue scatterer distribution patterns …

S Li, PH Tsui, W Wu, Z Zhou, S Wu - Ultrasonics Sonochemistry, 2024 - Elsevier
Ultrasound envelope statistics imaging, including ultrasound Nakagami imaging,
homodyned-K imaging, and information entropy imaging, is an important group of …

[HTML][HTML] Contrast analysis in ultrafast ultrasound blood flow imaging of jugular vein

M Omura, K Yagi, R Nagaoka, H Hasegawa - Journal of Medical …, 2023 - Springer
Purpose The contrasts of flowing blood in in vitro experiments using porcine blood and in
vivo measurements of human jugular veins were analyzed to demonstrate that the …

Improved robustness of multi-component analysis in amplitude envelope statistics using plane waves

Y Ujihara, K Tamura, S Mori, S Hirata… - Japanese Journal of …, 2023 - iopscience.iop.org
We compared the evaluation accuracy of amplitude envelope statistics under the
transmission and reception conditions of compounded plane wave imaging (CPWI) and …

Physics-Inspired Regularized Pulse-Echo Quantitative Ultrasound: Efficient Optimization with ADMM

N Jafarpisheh, L Castaneda-Martinez… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Pulse-echo quantitative ultrasound (PEQUS), which estimates the quantitative properties of
tissue microstructure, entails estimating the average attenuation and the backscatter …