
Accession Number : ADP008235
Title : ErrorCorrective Recall of Digital Optical Images in Neural Networks Models by PhotoBurning of Spectral Holes,
Corporate Author : EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZURICH (SWITZERLAND)
Personal Author(s) : Rebane, Karl K. ; Ollikainen, Olavi ; Rebane, Alexander
Report Date : 22 MAY 1992
Pagination or Media Count : 4
Abstract : The neuralnetworklike scheme of data storage and processing of Nbit sequences of information needs a memory of about N(2) elements (interconnections). In digital autoassociative memories the useful data is presented usually as a set of S different words, v(s)(s=l,...,S), each word being a sequence of N bits. Simple mathematical rule, given originally by Hopfield, can serve as an algorithm to calculate the values of the N(2) elements of the memory matrix, T. Recall of the memory gives an output word, v(out), which results from a thresholded inner product between the interrogating input word, v(in), and the memory matrix. The readout procedure can be expressed mathematically, where TRH(...) stands for the thresholding procedure.
Descriptors : *NEURAL NETS, *OPTICAL IMAGES, *MOLECULAR SPECTROSCOPY, ALGORITHMS, INPUT, NETWORKS, OUTPUT, RECALL, DATA STORAGE SYSTEMS, OPTICAL STORAGE, FREQUENCY, PARALLEL PROCESSING, MEMORY DEVICES, ERROR CORRECTION CODES.
Subject Categories : Optics
Cybernetics
Atomic and Molecular Physics and Spectroscopy
Distribution Statement : APPROVED FOR PUBLIC RELEASE