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Space-invariant optical correlator using a photorefractive medium

✍ Scribed by R.S. Kim; J.T. Ihm; H. Son; H.K. Park


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
548 KB
Volume
21
Category
Article
ISSN
0030-3992

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Optical correlators have been widely used for such applications as automatic target identification, invariant pattern recognition and machine vision. In hybrid optical correlators, Spatial light modulators (SLMs) are used to dynamically update the input and the filter. However, implementation is dif