Estimation of viscoelastic parameters in Prony series from shear wave propagation

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When acquiring accurate ultrasonic images, we must precisely estimate the mechanical properties of the soft tissue. This study investigates and estimates the viscoelastic properties of the tissue by analyzing shear waves generated through an acoustic radiation force. The shear waves are sourced from a localized pushing force acting for a certain duration, and the generated waves travel horizontally. The wave velocities depend on the mechanical properties of the tissue such as the shear modulus and viscoelastic properties; therefore, we can inversely calculate the properties of the tissue through parametric studies. Published by AIP Publishing.
Publisher
AMER INST PHYSICS
Issue Date
2016-06
Language
English
Article Type
Article
Keywords

ACOUSTIC RADIATION FORCE; IMPULSE DIFFRACTION FIELD; REMOTE PALPATION; SOFT-TISSUES; ELASTOGRAPHY

Citation

JOURNAL OF APPLIED PHYSICS, v.119, no.23

ISSN
0021-8979
DOI
10.1063/1.4953674
URI
http://hdl.handle.net/10203/212411
Appears in Collection
CE-Journal Papers(저널논문)
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