Patent ID: 6363171
Filing Date: 2002-03-26
Classification: G06K

Abstract:
A system for recognizing an alphanumeric character image, said system comprising:a first stage including at least a first, second and third digital image signal processing networks having each at least one input terminal and at least one output terminal and said networks being designed to process image information from digital image signals and including at least a first, second and third memory registers having each at least one input terminal and at least one output terminal and the input terminals of the first, second and third memory registers being connected to the output terminal of the first network, the output terminal of the second network and the output terminal of the third network respectively and said memory registers being designed to contain the image information processed by the first, second and third digital image signal processing networks; a second stage; wherein the first network provides information related to a first feature vector of the image, the second network provides information related to a second feature vector of the image, the third network provides information related to a third feature vector of the image; wherein said second stage includes at least one first and one second classifier network having each at least one first and one second input terminal and a plurality of output terminals, the first input terminal of the first classifier network being connected to the output terminal of the first memory register and the second input terminal of said first classifier network being connected to the output terminal of the second memory register and the first input terminal of the second classifier network being connected to the output terminal of the second memory register and the second input terminal of said second classifier network being connected to the output terminal of the third memory register; at least one third classifier network having a plurality of input terminals connected to a plurality of output terminals of the first and second classifier networks and a plurality of output terminals which are output terminals of the system; and wherein said classifier networks carry out consecutive statistical operations on said data from said first, second, and third processing networks until there are obtained statistical values corresponding to a predetermined classification of said image.