NDLI: Pixel based reconstruction (PBR) techniques

Content Provider	IEEE Xplore Digital Library
Author	Peddanarappagari, K.V. Fager, R.S.
Copyright Year	1992
Description	Author affiliation: Virginia Univ., Charlottesville, VA, USA (Peddanarappagari, K.V.; Fager, R.S.)
Abstract	The authors have reinvestigated algebraic reconstruction algorithms for computed tomography, with some new heuristics and some new methodologies, which indicate that they merit serious consideration for practical applications. Methods of implementing these iterative methods more efficiently by reducing the computations, reducing memory requirement, and using accelerating techniques are discussed. It is shown by simulations, using the pixel-based reconstruction (PBR) methods proposed by R.S. Fager et al., that excellent reconstructions of a complex object can be obtained with very few projections. PBR methods are simultaneous in nature, i.e. at each iteration, any pixel value does not depend on any other pixel value in the reconstructed image. Because of this, in principle, each pixel can be assigned to its own computer and advantage can be taken of parallel structured computers. Two methods of improving these algorithms have been investigated: region of interest; and the steepest descent approach.<>
Starting Page	170
Ending Page	179
File Size	682473
Page Count	10
File Format	PDF
ISBN	0818627425
DOI	10.1109/CBMS.1992.244950
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-06-14
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bioreactors Image reconstruction Computed tomography Pixel Concurrent computing Reconstruction algorithms Iterative methods Acceleration Frequency Convolution
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
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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