NDLI: Tissue shear viscosity measurements using a spectral ratio method

Content Provider	IEEE Xplore Digital Library
Author	Chia-Lun Yeh Yae-Lin Sheu Po-Ling Kuo Pai-Chi Li
Copyright Year	2012
Description	Author affiliation: Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan (Chia-Lun Yeh; Yae-Lin Sheu; Po-Ling Kuo; Pai-Chi Li)
Abstract	Mechanical properties such as elasticity and viscosity are highly related to tissue pathology state. Images that provide the geometry information of an object as well as its shear elasticity and viscosity are important in clinical applications. In the supersonic shear imaging (SSI) technique, image reconstruction in an inhomogeneous medium could be performed by varying the reconstruction kernel size, which in this article was regarded as the modified supersonic shear imaging (mSSI) method. In this study, we proposed a spectral ratio (SR) method for the reconstruction of shear elasticity and viscosity images. The reconstruction performance of an embedded object was evaluated for three different sizes of kernels, which were 0.308, 1.84 and 3.08 mm with comparison with the results obtained by the SSI method. The mean elasticity and viscosity error in the best reconstruction case using the SR method was 3.2% and 28.45%, respectively, while the mean elasticity and viscosity error in the best case using modify spectroscopy method is 19.56% and 26.36%, respectively. Both SR and mSSI method could provide boundary information of the embedded object. The SR method could achieve a spatial resolution of 0.308 mm in both elasticity and viscosity reconstruction.
Starting Page	2555
Ending Page	2558
File Size	909110
Page Count	4
File Format	PDF
ISBN	9781467345613
ISSN	19485719
e-ISBN	9781467345620
DOI	10.1109/ULTSYM.2012.0640
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-07
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image resolution Visualization Image reconstruction Kernel Magnetic resonance imaging Ultrasonic imaging Ultrasonic variables measurement modified supersonic shear imaging method shear elasticity shear viscosity spectral ratio method
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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