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Published March 1, 1994 | Published
Book Section - Chapter Open

Optical neural networks


The trade-off between the number of neurons that can be implemented with a single correlator and the shift invariance that each neuron has is investigated. A new type of correlator implemented with a planar hologram is described whose shift invariance can be controlled by setting the position of the hologram properly. The shift invariance and the capacity of correlators implemented with volume holograms is also investigated.

Additional Information

© 1994 Society of Photo-Optical Instrumentation Engineers (SPIE). This work is supported by ARPA. Michael Levene is partially supported by an NDSEG graduate fellowship. We also thank Sidney Li for his help.

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August 20, 2023
August 20, 2023