The acousto-optic correlator is a well developed tool for performing pattern recognition. By cascading several one-dimensional correlators in parallel, it is possible to implement two- dimensional image correlation using only one acousto-optic device. We review the development of acousto-optic correlation and pattern recognition systems, and describe recent developments which have made image correlation practical. Computer simulations of image correlation and modifications to the existing architectures are discussed.
Acousto-optic image correlators
Acousto-Optics and Applications ; 1992 ; Gdansk-Jurata,Poland
Proc. SPIE ; 1844
1992-11-25
Conference paper
Electronic Resource
English
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