1 January 1993 Shift- and rotational- invariant associative memory demonstrated by a computer experiment
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Optical Engineering, 32(1), (1993). doi:10.1117/12.60084
Abstract
A method of performing shift- and rotational-invariant associative memory is proposed. The method can be implemented both optically and digitally with computers. The method is detailed and some results of the digital implementation are presented. The experimental results show that the original reference pattern is recovered by partial inputs in any orientation. If the input is not the original reference pattern or a partial version of it, the results produced by this method are unidentifiable.
Hon-Fai Yau, Sha-Wei Wang, OuYang Yueh, Hsiao-Yi Lee, "Shift- and rotational- invariant associative memory demonstrated by a computer experiment," Optical Engineering 32(1), (1 January 1993). http://dx.doi.org/10.1117/12.60084
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KEYWORDS
Content addressable memory

Fourier transforms

Ferroelectric materials

Crystals

Laser crystals

Optical filters

Beam splitters

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