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Proceedings Paper

Shift Invariance In Optical Associative Memories
Author(s): D. Psaltis; J. Hong; S. Venkatesh
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Paper Abstract

Shift invariance in associative memories is discussed. Two optical systems which exhibit shift invariance are described in detail along with computer simulations showing their effectiveness. It is shown, however, that shift invariance cannot be achieved with systems that employ only linear interconnections to store the associations without an accompanying decrease in the storage capacity equal to the number of shifted versions that are recognizable.

Paper Details

Date Published: 9 June 1986
PDF: 7 pages
Proc. SPIE 0625, Optical Computing, (9 June 1986); doi: 10.1117/12.963498
Show Author Affiliations
D. Psaltis, California Institute of Technology (United States)
J. Hong, California Institute of Technology (United States)
S. Venkatesh, California Institute of Technology (United States)

Published in SPIE Proceedings Vol. 0625:
Optical Computing
John A. Neff, Editor(s)

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