Estimation of skin elasticity by measuring surface wave velocity under impulse stimulus using compact optical sensors

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Tissue elastography characterizes tissue mechanical properties, which can provide important information for diagnosis. While popular methods track shear wave propagation inside tissue, this paper proposes a method to estimate elasticity by measuring group velocity of the surface Raleigh wave. This method features noncontact, noninvasive and low-cost and have a great potential for clinic applications. By measuring the impulse response of a tissue simulating phantom at multiple points along the direction of surface wave propagation, the group velocity is estimated to be 12.61 m/s, therefore Young's modulus is 526 kPa. This result is consistent with the results obtained by Continuous Wave (CW) excitation.

Original languageEnglish (US)
Title of host publication2009 IEEE International Ultrasonics Symposium and Short Courses, IUS 2009
DOIs
StatePublished - Dec 1 2009
Event2009 IEEE International Ultrasonics Symposium, IUS 2009 - Rome, Italy
Duration: Sep 20 2009Sep 23 2009

Publication series

NameProceedings - IEEE Ultrasonics Symposium
ISSN (Print)1051-0117

Other

Other2009 IEEE International Ultrasonics Symposium, IUS 2009
CountryItaly
CityRome
Period9/20/099/23/09

Keywords

  • Compact sensor
  • Surface wave
  • Tissue elasticity

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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    Qiang, B., Zhang, X., & Greenleaf, J. (2009). Estimation of skin elasticity by measuring surface wave velocity under impulse stimulus using compact optical sensors. In 2009 IEEE International Ultrasonics Symposium and Short Courses, IUS 2009 [5441574] (Proceedings - IEEE Ultrasonics Symposium). https://doi.org/10.1109/ULTSYM.2009.5441574