NDLI: High precision quasi 3-D quantitative reconstruction of sound velocity image from the transmitted data around a single rotational axis

Content Provider	IEEE Xplore Digital Library
Author	Yamada, A.
Copyright Year	1996
Description	Author affiliation: Tokyo Univ. of Agric. & Technol., Japan (Yamada, A.)
Abstract	A quasi 3-D technique was presented to reconstruct sound velocity slices of the object, from the data by transmitting and receiving acoustic waves over the cylindrical aperture around a single rotational axis. To comply with the problem, backward propagation Rytov approximation, spatial filter processing in a perpendicular direction, deviation correction of the 1st-order Rytov approximation was introduced. As a result of the test examination by means of the simulation for a sphere object, it was verified that a sound velocity quantitative CT image with by far higher accuracy than the conventional one could be brought to realization under the practical condition of the sound velocity variation (/spl plusmn/10%) and observation distance. The results obtained are promising for actual clinical applications such as the human breast cancer screening test.
Starting Page	1423
Ending Page	1426
File Size	251802
Page Count	4
File Format	PDF
ISBN	0780336151
ISSN	10510117
DOI	10.1109/ULTSYM.1996.584312
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-11-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image reconstruction Apertures Acoustic scattering Spatial filters Attenuation Acoustic waves Acoustic propagation Acoustic testing Computed tomography Agriculture
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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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