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 backscattered data to find the
properties of scatterers that correlate with the tissue microstructure. Statistics of the envelope …

Breast tumor classification using intratumoral quantitative ultrasound descriptors

S Muhtadi - Computational and Mathematical Methods in …, 2022 - Wiley Online Library
Breast cancer is a global epidemic, responsible for one of the highest mortality rates among
women. Ultrasound imaging is becoming a popular tool for breast cancer screening, and …

Effect of ultrasound frequency on the Nakagami statistics of human liver tissues

PH Tsui, Z Zhou, YH Lin, CM Hung, SJ Chung, YL Wan - PloS one, 2017 - journals.plos.org
The analysis of the backscattered statistics using the Nakagami parameter is an emerging
ultrasound technique for assessing hepatic steatosis and fibrosis. Previous studies indicated …

Ultrasound detection of liver fibrosis in individuals with hepatic steatosis using the homodyned K distribution

YW Tsai, Z Zhou, CSA Gong, DI Tai, A Cristea… - Ultrasound in Medicine …, 2021 - Elsevier
Acoustic structure quantification (ASQ) based on the analysis of ultrasound backscattered
statistics has been reported to detect liver fibrosis without significant hepatic steatosis. This …

Analysis of coherent and diffuse scattering using a reference phantom

IM Rosado-Mendez, LC Drehfal… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
The estimation of many spectral-based quantitative ultrasound parameters assumes that
backscattered echo signals are from a stationary, incoherent scattering process. The …

Monitoring breast cancer response to neoadjuvant chemotherapy with ultrasound signal statistics and integrated backscatter

H Piotrzkowska-Wróblewska, K Dobruch-Sobczak… - PLoS …, 2019 - journals.plos.org
Background Neoadjuvant chemotherapy (NAC) is used in patients with breast cancer to
reduce tumor focus, metastatic risk, and patient mortality. Monitoring NAC effects is …

Quantitative assessment of media concentration using the Homodyned K distribution

A Cristea, N Collier, E Franceschini, J Mamou… - Ultrasonics, 2020 - Elsevier
The Homodyned K distribution has been used successfully as a tool in the ultrasound
characterization of sparse media, where the scatterer clustering parameter α accurately …

Ultrasound echogenicity reveals the response of breast cancer to chemotherapy

K Dobruch-Sobczak, H Piotrzkowska-Wróblewska… - Clinical Imaging, 2019 - Elsevier
Purpose To evaluate the ultrasound (US) response in patients with breast cancer (BC)
during neoadjuvant chemotherapy (NAC). Methods Prospective US analysis was performed …

Homodyned k-distribution: parameter estimation and uncertainty quantification using bayesian neural networks

AKZ Tehrani, IM Rosado-Mendez… - 2023 IEEE 20th …, 2023 - ieeexplore.ieee.org
Quantitative ultrasound (QUS) allows estimating the intrinsic tissue properties. Speckle
statistics are the QUS parameters that describe the first order statistics of ultrasound (US) …

Effects of cell spatial organization and size distribution on ultrasound backscattering

RK Saha, MC Kolios - IEEE transactions on ultrasonics …, 2011 - ieeexplore.ieee.org
In ultrasound tissue characterization dealing with cellular aggregates (such as tumors), it
can be hypothesized that cell microstructure and spatial distribution dominate the …