Position- and rotation-invariant holographic associative memory

Urkaly T. Isaev

doi:10.1117/12.140416

2 March 1993 Position- and rotation-invariant holographic associative memory

Urkaly T. Isaev

Proceedings Volume 1732, Holographics International '92; (1993) https://doi.org/10.1117/12.140416
Event: Holographics International '92, 1992, London, United Kingdom

Abstract

Holographic associative memory that is able to retrieve complete objects from their partial or rotated and changed in position inputs is presented. Angularly or spatially multiplexed Fourier-transform holograms of an object and of its synthetic discriminant function respectively, recorded with angularly multiplexed reference beams onto thermoplastic tape or disk are used as the memory elements.

Citation Download Citation

Urkaly T. Isaev "Position- and rotation-invariant holographic associative memory", Proc. SPIE 1732, Holographics International '92, (2 March 1993); https://doi.org/10.1117/12.140416

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KEYWORDS

Holograms

Holography

Content addressable memory

Multiplexing

Image processing

Optical correlators

Optical filters

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