Apparatus for preprocessing of character recognition

Details Apparatus for preprocessing of character recognition Apparatus for preprocessing of character recognition

1987-05-11

1989-02-28

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 16, 382 33, 382 48, G06K 974

Patent

active

048093440

ABSTRACT:
In an apparatus for preprocessing of character recognition so as to obtain data necessary for character recognition, page segmentation is performed by simultaneously extracting a plurality of features, separation between lines, separation between characters, and separation between the lines and the characters are simultaneously performed, and a calculation time for normalizing the separated individual characters can be reduced, thereby performing proprocessing required for character recognition systematically at high speed.

REFERENCES:
patent: 3829832 (1974-08-01), Kawasaki
patent: 3877801 (1975-04-01), MacGovern
patent: 3905019 (1975-09-01), Aoki et al.
patent: 4465939 (1984-08-01), Tamura
patent: 4559643 (1985-12-01), Brogardh
patent: 4706127 (1987-11-01), Nobuta

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