Neuram: neural network with ram

Details Neuram: neural network with ram Neuram: neural network with ram

1989-11-03

1991-11-05

MacDonald, Allen R.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365 49, G06F 1518

Patent

active

050635212

ABSTRACT:
A random access memory (RAM) circuit is provided wherein an input signal matrix forming an identifiable original pattern is learned and stored such that a distorted facsimile thereof may be applied to generate an output signal matrix forming a replication of the original pattern having improved recognizable features over the distorted facsimile. The input signal matrix is logically divided into a plurality of predetermined subsets comprising a unique element of the input signal matrix and the elements in the neighborhood thereof. Each predetermined subset is quantized into a first digital address and applied at the address inputs of a memory circuit for retrieving data stored in the addressed memory location, while one signal of the predetermined subset is digitized and weighted and combined with the data retrieved from the addressed memory location for storage in the same addressed memory location. Next, a plurality of second digital addresses is generated including predetermined combinations of the first digital address perturbed at least one bit and sequentially applied at the address inputs of the memory circuit whereby the steps of digitizing and weighting one signal of the predetermined subset of the input signal matrix, combining the digitized and weighted signal with the data retrieved from the addressed memory location, and storing the combination back into the addressed memory location are repeated for the second digital addresses.

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Fairhurst et al., "A Classification System for Alpha-Numeric Characters Based on Learning Network Techniques", Digital Processes, 2 (1976), pp. 321-329.

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