1 October 1991 Optical implementations of the alternating projection neural network
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Abstract
The results of two electro-optical implementations of the alternating projection neural network (APNN) are presented. Both configurations use optical matrix-vector multipliers with electronic feedback, but different spatial light modulators are employed. The first implementation is passive, employing a photographic transparency that intensity-modulates the incident incoherent light. In the second implementation, two spatial light modulators actively modulate the light, permitting real-time updating of the interconnection matrix elements. To the authors' knowledge, the implementations described are the first of the APNN.
Alan T. Smith, Alan T. Smith, John F. Walkup, John F. Walkup, } "Optical implementations of the alternating projection neural network," Optical Engineering 30(10), (1 October 1991). https://doi.org/10.1117/12.55972 . Submission:
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