NDLI: Parallel matrix computations and their applications for biomagnetic fields

Content Provider	IEEE Xplore Digital Library
Author	Zerbe, V. Keller, H. Schorcht, G.
Copyright Year	1997
Description	Author affiliation: Fac. of Comput. Sci. & Autom., Tech. Univ. Ilmenau, Germany (Zerbe, V.)
Abstract	In this paper we present the results of a parallel implementation of a heart field simulation algorithm. The application of biomagnetic fields offers a wide range for using parallel algorithms. Pathological changes in the human body, especially in the heart muscle, can be diagnosed and localised by means of biomagnetic field parameters. The benefit of this diagnosis method is to fit an individual reference model of the heart field of a patient. Based on differences between the reference model and the real measured biomagnetic field parameters, the type and the position of defects in the heart can be located. The most time consuming components of the whole algorithm are the matrix computations, especially the matrix inversion. The matrix inversion can be implemented on a parallel distributed memory system. In this paper we discuss the routing, the parallel matrix inversion, and the speed up for different network topologies that depends on the number of processors and different problem sizes.
Starting Page	139
Ending Page	142
File Size	384354
Page Count	4
File Format	PDF
ISBN	0818678763
DOI	10.1109/APDC.1997.574024
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-03-19
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Concurrent computing Heart Pathology Biomagnetics Biological system modeling Computational modeling Humans Computer applications Muscles Parallel algorithms
Content Type	Text
Resource Type	Article

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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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