Abstract
Associative memories and associative processing have many applications in symbolic and parallel computing.1 Optical schemes, in particular those based on holographic principles, are well suited to associative processing because of their high parallelism and storage capacity. Previous workers2 have demonstrated that holographically stored images can be recalled using relatively complicated reference images, but did not utilize nonlinear feedback to reduce the cross-talk which results when multiple images are stored and a partial or distorted input is used in addressing the memory. These earlier approaches were limited in their ability to reconstruct an image from a set of partial input images.
© 1986 Optical Society of America
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