Method of creating dictionary for character recognition

Details Method of creating dictionary for character recognition Method of creating dictionary for character recognition

1987-12-17

1990-07-24

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 10, 382 13, 382 36, G06K 962

Patent

active

049440225

ABSTRACT:
A method of creating a dictionary for character recognition uses a document on which identical characters are aligned in a scanning direction and a mark indicating a size of a character line including the characters is positioned in the vicinity of the aligned characters. An image processing is carried out for dot patterns of the aligned characters, and one dot pattern to be registered in a dictionary is produced. Then, the produced dot pattern is registered in a dictionary together with a corresponding character code data.

REFERENCES:
patent: 4009467 (1977-02-01), Kodera et al.
patent: 4028674 (1977-06-01), Chuang
patent: 4300123 (1981-11-01), McMillin et al.
patent: 4514622 (1985-04-01), Wevelsiep et al.
patent: 4633507 (1986-12-01), Cannistra et al.
patent: 4742556 (1988-05-01), Davis, Jr. et al.

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