Pattern recognition system and method using neural network

Details Pattern recognition system and method using neural network Pattern recognition system and method using neural network

1992-12-17

1993-10-19

Fleming, Michael R.

G10L 904

Patent

active

052553426

ABSTRACT:
An inner product computing unit computes inner products of an input pattern whose category is unknown, and orthogonalized dictionary sets of a plurality of reference patterns whose categories are known. A nonlinear converting unit nonlinearly converts the inner products in accordance with a positive-negative symmetrical nonlinear function. A neural network unit or a statistical discriminant function computing unit performs predetermined computations of the nonlinearly converted values on the basis of preset coefficients in units of categories using a neural network or a statistical discriminant function. A determining section compares values calculated in units of categories using the preset coefficients with each other to discriminate a category to which the input pattern belongs.

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