Ultrasound-based lipid content quantification using double Nakagami distribution model in rat liver steatosis

K Tamura, J Mamou, K Yoshida… - Japanese journal of …, 2020 - iopscience.iop.org
Quantitative ultrasound (QUS) methods have been widely used for soft tissue
characterization. Spatial resolution (ie ultrasound frequency) is an important factor for QUS …

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 …

Proposal of compound amplitude envelope statistical analysis model considering low scatterer concentration

K Tamura, K Yoshida, H Maruyama… - Japanese Journal of …, 2018 - iopscience.iop.org
Many methods for the analysis of amplitude envelope statistics have been proposed in
recent decades to enable echo signal characterization and realize quantitative diagnosis …

Estimation of polydispersity in aggregating red blood cells by quantitative ultrasound backscatter analysis

R De Monchy, J Rouyer, F Destrempes… - The Journal of the …, 2018 - pubs.aip.org
Quantitative ultrasound techniques based on the backscatter coefficient (BSC) have been
commonly used to characterize red blood cell (RBC) aggregation. Specifically, a scattering …

Ultrasound parametric imaging of hepatic steatosis using the homodyned-K distribution: An animal study

J Fang, Z Zhou, NF Chang, YL Wan, PH Tsui - Ultrasonics, 2018 - Elsevier
Hepatic steatosis is an abnormal state where excess lipid mass is accumulated in
hepatocyte vesicles. Backscattered ultrasound signals received from the liver contain useful …

[HTML][HTML] Dual-frequency excitation in high-frame-rate ultrasonic backscatter coefficient analysis of hemorheological properties

M Omura, K Yagi, R Nagaoka, K Yoshida, T Yamaguchi… - Ultrasonics, 2025 - Elsevier
Hemorheological properties, such as erythrocyte aggregation can be assessed by ultrasonic
backscatter coefficient analysis. In this study, a data-acquisition sequence with dual …

A Phantom-Free Approach for Estimating the Backscatter Coefficient of Aggregated Red Blood Cells applied to COVID-19 Patients

F Destrempes, B Chayer, MHR Cardinal… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
The ultrasound backscatter coefficient is a frequency-dependent quantity intrinsic to
biological tissues that can be recovered from backscattered radiofrequency signals, granted …

Numerical investigations of anisotropic structures of red blood cell aggregates on ultrasonic backscattering

L Chinchilla, C Armstrong, R Mehri… - The Journal of the …, 2021 - pubs.aip.org
Although quantitative ultrasound techniques based on the parameterization of the
backscatter coefficient (BSC) have been successfully applied to blood characterization …

Effects of the container on structure function with impedance map analysis of dense scattering media

AC Luchies, ML Oelze - The Journal of the Acoustical Society of …, 2018 - pubs.aip.org
Quantitative ultrasound (QUS) can be used to estimate acoustic properties of tissue
microstructure. In one approach to QUS, the backscatter coefficient (BSC) is utilized to …

Protocol for robust in vivo measurements of erythrocyte aggregation using ultrasound spectroscopy

J Garcia-Duitama, B Chayer, D Garcia… - Ultrasound in medicine …, 2017 - Elsevier
Erythrocyte aggregation is a non-specific marker of acute and chronic inflammation.
Although it is usual to evaluate this phenomenon from blood samples analyzed in laboratory …