Fast linear least-squares method for ultrasound attenuation and backscatter estimation

J Birdi, A Muraleedharan, J D'hooge, A Bertrand - Ultrasonics, 2021 - Elsevier
… the attenuation and backscatter coefficients’ estimates to several predefined parameters such
as the window length, … The backscattered signal from each of the scatterers was coherently …

Method of determination of acoustic backscatter and attenuation coefficients independent of depth and instrumentation

EL Madsen - Ultrasonic scattering in biological tissues, 2022 - api.taylorfrancis.com
… Because the gate function and the echo waveform are multiplied together, we can … the
backscatter coefficient is described. Since this dependence can be related to mean scatterer size, …

Regularized estimation of effective scatterer size and acoustic concentration quantitative ultrasound parameters using dynamic programming

N Jafarpisheh, IM Rosado-Mendez… - 2020 42nd annual …, 2020 - ieeexplore.ieee.org
estimate of ESS, AC, and the effective attenuation. We intend to involve scatterer characterization
in backscattering … precisely estimate AC and ESS in addition to effective attenuation. In …

Total attenuation compensation for backscatter coefficient estimation using full angular spatial compounding

A Coila, J Rouyer, O Zenteno, A Luchies, ML Oelze… - Ultrasonics, 2021 - Elsevier
… , the frequency-dependent backscatter coefficient (BSC) is a quantitative ultrasound (QUS) …
enables the estimation of relevant properties such as the scatterer correlation length and …

Analytical globally-regularized estimation of effective scatterer diameter and acoustic concentration in quantitative ultrasound

N Jafarpisheh, IM Rosado-Mendez… - 2021 IEEE 18th …, 2021 - ieeexplore.ieee.org
backscatter coefficient (BSC) from the echo signal power spectra, after removing the effects
of attenuation … ESD and AC that does not depend on search ranges and step sizes, and that …

Quantitative backscatter imaging

JA Zagzebski, LX Yao, EJ Boote… - Ultrasonic scattering in …, 2022 - api.taylorfrancis.com
… where both the attenuation and backscatter coefficients are … effectively for determining the
backscatter coefficient in a … of scatterers has been shown to provide a backscatter coefficient …

Pulse-echo ultrasound attenuation tomography

NK Martiartu, PS Yolgunlu, M Frenz… - Physics in Medicine & …, 2024 - iopscience.iop.org
… medium, meaning that scatterers are spatially uncorrelated and satisfy … For each emission,
we collect the backscattered signals p(x r … the full waveform content of ultrasound recordings to …

Adaptive attenuation correction during H-scan ultrasound imaging using K-means clustering

H Tai, M Khairalseed, K Hoyt - Ultrasonics, 2020 - Elsevier
… Compared to other scatterer size estimation approaches that … theoretical and an acquired
backscattered US signal [20], H-… different sized scatterers, the mapping of scatterer size to H-…

Simulation of ultrasonic scattering from scatterer size distributions using Field II

HM Whitson, IM Rosado-Mendez, JH Hale… - The Journal of the …, 2024 - pubs.aip.org
… for the transmit and receive waveforms, respectively. The … number fraction and backscatter
coefficient of scatterer size i, … were observed in attenuation and backscatter estimates from …

A New Methodology for the Assessment of Very Low Concentrations of Cells in Serous Body Fluids Based on the Count of Ultrasound Echoes Backscattered From …

L Elvira, AI Rodríguez, A Fernández… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
… of scatterer sizes on the cell concentration estimation. The cell … of the transducer and
emitted waveform used was also … As a result, the size of the cells, the unknown attenuation of …