NDLI: Novel imaging method of continuous shear wave by ultrasound color flow imaging

Content Provider	IEEE Xplore Digital Library
Author	Yamakoshi, Y. Yamamoto, A. Yuminaka, Y.
Copyright Year	2015
Description	Author affiliation: Grad. Sch. of Sci. & Technol., Gunma Univ., Kiryu, Japan (Yamakoshi, Y.; Yuminaka, Y.) \|\| Dept. of Orthopaedic Surg., Gunma Univ., Maebashi, Japan (Yamamoto, A.)
Abstract	Shear wave elastography which uses continuous shear wave excited by mechanical actuator is an effective method for the evaluation of shear visco-elastic properties of the medium. However, the accuracy of the measurement is often affected by large refraction and reflection of the shear wave. In order to improve the accuracy of elastography, real-time visualization of shear wave which propagates in tissue becomes a powerful tool, because shear wave excitation is controlled so as to produce a plane wave in ROI and the velocity is measured by taking into account of shear wave propagation. In this paper, a novel imaging method of continuous shear wave by ultrasound color flow imaging (CFI) is proposed. Shear wave wavefront is directly reconstructed as a binary pattern consisting of zero and the maximum flow velocity on CFI without adding any function to the CFI. Although two conditions are needed to obtain the image, they are not severe restrictions in most applications. Based on the imaging method, a shear wave velocity estimation by taking into account of the shear wave wavefront quality is proposed. This method is applied to the measurement of shear wave velocity of skeletal muscles.
Starting Page	1
Ending Page	4
File Size	1308267
Page Count	4
File Format	PDF
e-ISBN	9781479981823
DOI	10.1109/ULTSYM.2015.0381
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-21
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Propagation Imaging Velocity measurement Image color analysis Acoustics Image reconstruction Ultrasonic imaging Shear wave velocity measurement Elastography Shear wave Color flow imaging Real-time imaging
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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