Local speed of sound estimation in tissue using pulse-echo ultrasound: Model-based approach
A model and method to accurately estimate the local speed of sound in tissue from pulse-
echo ultrasound data is presented. The model relates the local speeds of sound along a …
echo ultrasound data is presented. The model relates the local speeds of sound along a …
The direct estimation of sound speed using pulse–echo ultrasound
ME Anderson, GE Trahey - The Journal of the Acoustical Society of …, 1998 - pubs.aip.org
A method for the direct estimation of the longitudinal speed of sound in a medium is
presented. This estimator derives the speed of sound through analysis of pulse–echo data …
presented. This estimator derives the speed of sound through analysis of pulse–echo data …
Bounds on estimating the acoustic attenuation of small tissue regions from reflected ultrasound
R Kuc - Proceedings of the IEEE, 1985 - ieeexplore.ieee.org
The acoustic attenuation coefficient of most soft biological tissues has an approximately
linear-with-frequency attenuation characteristic. The slope of the attenuation coefficient with …
linear-with-frequency attenuation characteristic. The slope of the attenuation coefficient with …
Local sound speed estimation for pulse-echo ultrasound in layered media
R Ali, AV Telichko, H Wang… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Our previous methodology in local sound speed estimation utilized time delays measured by
the cross correlation of delayed full-synthetic aperture channel data to estimate the average …
the cross correlation of delayed full-synthetic aperture channel data to estimate the average …
Noninvasive estimation of local speed of sound by pulse-echo ultrasound in a rat model of nonalcoholic fatty liver
AV Telichko, R Ali, T Brevett, H Wang… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. Speed of sound has previously been demonstrated to correlate with fat
concentration in the liver. However, estimating speed of sound in the liver noninvasively can …
concentration in the liver. However, estimating speed of sound in the liver noninvasively can …
An efficient sound speed estimation method to enhance image resolution in ultrasound imaging
MH Cho, LH Kang, JS Kim, SY Lee - Ultrasonics, 2009 - Elsevier
Most of clinical ultrasound imaging systems use a pre-determined sound speed, mostly
1540m/s, in transmit-and receive-beamforming while actual sound speed varies depending …
1540m/s, in transmit-and receive-beamforming while actual sound speed varies depending …
Ultrasound attenuation estimation in soft tissue using the entropy difference of pulsed echoes between two adjacent envelope segments
HS Jang, TK Song, SB Park - Ultrasonic imaging, 1988 - Elsevier
In this paper, we describe a new method of estimating the ultrasound attenuation coefficient
of soft tissue based on the entropy difference between two adjacent envelope segments of …
of soft tissue based on the entropy difference between two adjacent envelope segments of …
Initial phantom study on estimation of speed of sound in medium using coherence among received echo signals
H Hasegawa, R Nagaoka - Journal of medical ultrasonics, 2019 - Springer
Purpose Ultrasound beamforming is required to obtain clinical ultrasound images. In the
beamforming procedure, the distance between the receiving focal point and each transducer …
beamforming procedure, the distance between the receiving focal point and each transducer …
In vitro estimation of mean sound speed based on minimum average phase variance in medical ultrasound imaging
Effective receive beamforming in medical ultrasound imaging is important for enhancing
spatial and contrast resolution. In current ultrasound receive beamforming, a constant sound …
spatial and contrast resolution. In current ultrasound receive beamforming, a constant sound …
[CITATION][C] Estimation of the speed of ultrasound propagation in biological tissues: A beam-tracking method
J Ophir - IEEE transactions on ultrasonics, ferroelectrics, and …, 1986 - ieeexplore.ieee.org
A pulse-echo heam-tracking method for the estimation of the speed of sound in tissue is
described. We have shown that precision on the order of k0. 5 percent and accuracy on the …
described. We have shown that precision on the order of k0. 5 percent and accuracy on the …
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