Pattern recognition apparatus and method

Details Pattern recognition apparatus and method Pattern recognition apparatus and method

1982-04-08

1985-03-05

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 36, G06K 964

Patent

active

045035571

ABSTRACT:
The invention is directed to a pattern recognition apparatus and method by which an unknown input pattern is divided into a plurality of sub-area patterns which are matched with a plurality of standard partial characteristic patterns to form an input pattern similarity matrix F. The input pattern similarity matrix is then matched with a plurality of reference similarity matrices .PHI.l of standard reference patterns, whereby the unknown pattern is recognized as the one of the L standard reference patterns which gives the best matching.

REFERENCES:
patent: 3541511 (1970-11-01), Genchi et al.
patent: 3688267 (1972-08-01), Iijima et al.
patent: 3906446 (1975-09-01), Iijima et al.
patent: 4059725 (1977-11-01), Sakoe
patent: 4286115 (1981-08-01), Sakoe
patent: 4319221 (1982-03-01), Sakoe
patent: 4386432 (1983-05-01), Nakamura et al.
Japan Electrocommunication Society, National Convention, pp. 5-343, (1980).
Genchi et al., "Recognition of Handwritten Numerical Characters for Automatic Letter Sorting", 56 Proceedings of the I.E.E.E., 1292, 8/1968.

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