US 4,326,259 AGranted

Self organizing general pattern class separator and identifier

AssigneeNestor Associates

InventorsLeon N. Cooper, Charles Elbaum, Douglas L. Reilly

Life of this patent

Estimating the term…

Loading patent…

Abstract

A system is provided for the separation into and the indentification of classes of events wherein each of the events is represented by a signal vector comprising the signals s, s.sub.z . . . , s.sub.j . . . , s.sub.N. The system comprises a plurality of assemblies, each of the assemblies including a matrix of junction elements for respectively receiving as inputs the different respective signals of a vector. The junction elements provide a transfer of information A.sub.ij s,; i.e., the product of the transfer function of the element and the signal input applied thereto. The information transferred by the junction elements is summed in each assembly. In the training mode of operation information summed in each assembly is applied to a scalar multiplier and the resulting information is in turn applied to a threshold stage which is actuated to produce an output if the input applied thereto attains a prescribed value. Concurrently, the summed outputs of the junction elements are fed back to these elements to modify their transfer functions. The outputs of the threshold stages are finally processed for identification of the classes of events.

Claims28

Dependent claims

An information processing system for separating classes of non-linearly as well as linearly separable patterns, each of said patterns being represented by a plurality N of input signals s.sub.1, s.sub.2, . . . s.sub.j . . . s.sub.N, said system comprising, in combination:

(a) a plurality N of input terminals, each terminal (j) adapted to receive one of the N input signals (s.sub.j);
(b) a plurality M of summing means, each summing means (i) having N inputs and an output and being operative to provide a signal (p'.sub.i) at its output representing the sum of the signal representations applied to its inputs;
(c) a plurality N.times.M of junction elements, each junction element (ij) coupling one of said input terminals (j) with one summing means (i) and providing a transfer of information from the respective input terminal j to the respective summing means i in dependence upon the signal (s.sub.j) appearing at the input terminal and upon the element transfer function A.sub.ij ;
(d) a plurality M of threshold means, each threshold means (i) coupled to the output of one of said summing means (i) and adapted to produce an output (p.sub.i) whenever the output signal (p'.sub.i) produced by the respective summing means exceeds a given threshold value (.theta..sub.pi),
whereby the output P represented by the respective output signals p.sub.1, P.sub.2 . . . p.sub.i . . . p.sub.M of said threshold means provide a separation of the patterns represented by said input signals s.sub.1, s.sub.2, . . . s.sub.j . . . s.sub.N into classes.

2 more elements

Dependencies are inferred from the claim text.