An optical associative memory system suitable for both auto- and hetero-associative recall is demonstrated. This system utilizes Hamming distance as the similarity measure between a binary input and a memory image with the aid of a 2-D optical EXCLUSIVE OR (XOR) gate and a parallel electronics comparator module. Based on the Hamming distance measurement, this optical associative memory performs a nearest neighbor search and the result is displayed in the output plane in real-time. This optical associative memory is fast and noniterative and produces no output spurious states as compared with that of the Hopfield neural network model.


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    Titel :

    Auto-And Hetero-Associative Memory Using A 2-D Optical Logic Gate


    Beteiligte:

    Kongress:

    Optical Pattern Recognition ; 1989 ; Los Angeles,CA,United States


    Erschienen in:

    Erscheinungsdatum :

    1989-06-29





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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