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Proceedings Paper

The Simultaneous Iterative Reconstruction Technique As A Least-Squares Method
Author(s): A. V. Lakshminarayanan; A. Lent
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Paper Abstract

Several methods have been formulated for reconstructing the density (image) from a set of its projections. For a review of methods, see Gordon and Herman and Budinger and Gullberg. Some of the algebraic methods are known to optimize certain properties of the reconstructions. For instance, the least-squares solution gives an estimate of the image density such that the discrepancy between the given projection data and the projection data corresponding to the reconstructed picture is a minimum.

Paper Details

Date Published: 23 December 1976
PDF: 9 pages
Proc. SPIE 0096, Application of Optical Instrumentation in Medicine V, (23 December 1976); doi: 10.1117/12.965401
Show Author Affiliations
A. V. Lakshminarayanan, State University of New York at Buffalo (United States)
A. Lent, Mayo Foundation (United States)


Published in SPIE Proceedings Vol. 0096:
Application of Optical Instrumentation in Medicine V
Robert K. Cacak; Paul L. Carson; Gregory Dubuque; Joel E. Gray; William R. Hendee; Raymond P. Rossi; Arthur Haus, Editor(s)

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