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 …

Relationship between transmission/reception conditions of high-frequency plane wave compounding and evaluation accuracy of extended amplitude envelope …

T Higa, JA Ketterling, J Mamou, C Hoerig… - Japanese Journal of …, 2024 - iopscience.iop.org
The double–Nakagami (DN) model provides a method for analyzing the amplitude envelope
statistics of quantitative ultrasound (QUS). In this study, the relationship between the sound …

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 …

Combined sign coherent factor and delay multiply and sum beamformer for plane wave imaging

T Su, S Zhang, D Li, D Yao - Acoustical Physics, 2018 - Springer
Plane wave imaging is a relatively new technique in ultrasound imaging. However, in
traditional methods, the coherent information of different emissions and different elements …

Effects of estimators on ultrasound Nakagami imaging in visualizing the change in the backscattered statistics from a Rayleigh distribution to a pre-Rayleigh …

PH Tsui, YL Wan, DI Tai, YC Shu - Ultrasound in medicine & biology, 2015 - Elsevier
Ultrasound Nakagami imaging has recently attracted interest as an imaging technique for
analyzing envelope statistics. Because the presence of structures has a strong effect on …

Estimation of characteristics of echo envelope using RF echo signal from the liver

TYT Yamaguchi, HHH Hachiya… - Japanese Journal of …, 2001 - iopscience.iop.org
To realize quantitative diagnosis of liver cirrhosis, we have been analyzing the probability
density function (PDF) of echo amplitude using B-mode images. However, the B-mode …

Imaging local scatterer concentrations by the Nakagami statistical model

PH Tsui, CC Chang - Ultrasound in medicine & biology, 2007 - Elsevier
The ultrasonic B-mode image is an important clinical tool used to examine the internal
structures of the biological tissue. Due to the fact that the conventional B-scans cannot fully …

Eigenspace generalized sidelobe canceller combined with SNR dependent coherence factor for plane wave imaging

AJ Zimbico, DW Granado, FK Schneider… - Biomedical engineering …, 2018 - Springer
Background The eigenspace generalized sidelobe canceller (EGSC) beamformer combined
with a signal-to-noise ratio (SNR) dependent coherence factor (CF) is suggested for …

Three-dimensional visualization of ultrasound backscatter statistics by window-modulated compounding Nakagami imaging

Z Zhou, S Wu, MY Lin, J Fang, HL Liu… - Ultrasonic …, 2018 - journals.sagepub.com
In this study, the window-modulated compounding (WMC) technique was integrated into
three-dimensional (3D) ultrasound Nakagami imaging for improving the spatial visualization …

Accuracy of backscatter coefficient estimation in aberrating media using different phase aberration correction strategies-A simulation study

E González, N Sheth, B Castañeda… - 2014 IEEE …, 2014 - ieeexplore.ieee.org
Phase aberration is the distortion of the diffraction pattern when a wave propagates in a
medium with an inhomogeneous sound speed. In this study, the accuracy of the estimation …