Pattern recognition system

Details Pattern recognition system Pattern recognition system

1973-12-28

1976-06-29

Thesz, Joseph M.

Communications: electrical

Digital comparator systems

3401463D, G06K 912

Patent

active

039672417

ABSTRACT:
In a pattern recognition system of the type in which an input pattern is read, and stored in a two-dimensional memory, and after the features of the input pattern are extracted, they are compared with the standard patterns in storage in such a way that the degrees of similarity of the input pattern to the standard patterns are obtained so as to establish one-to-one correspondence between the input pattern and one of the standard patterns in storage that has the maximum degree of similarity, a part of the input pattern is enlarged when the degrees of similarity of the input pattern to two of the standard patterns are in excess of a predetermined level, so that the features of the enlarged part of the input pattern information may be extracted so as to establish one-to-one correspondence between the input pattern and one of said two standard patterns. Additionally, a reject signal is provided when the input pattern has a greater-than-predetermined similarity to three or more standard patterns.

REFERENCES:
patent: 3182290 (1965-05-01), Rabinow
patent: 3263216 (1966-07-01), Andrews
patent: 3533068 (1970-10-01), Shinichi Hanaki et al.
patent: 3764980 (1973-10-01), Dansac et al.
A. Cutaia; Multilevel Character Recognition System IBM Tech. Disclosure Bulletin; vol. 13, No. 12, pp. 3739-3742; May 1971.

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