Method of extracting a feature of a character

Details Method of extracting a feature of a character Method of extracting a feature of a character

1989-07-11

1991-05-21

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

382 9, 382 21, G06K 948

Patent

active

050182161

ABSTRACT:
A method of extracting a feature of a character includes the steps of dividing a contour image of a character into a plurality of segments by a pair of dividing lines provided for the contour image, dividing each of the segments into a plurality of sub-segments, combining the sub-segments together to thereby form a plurality of combined segments in accordance with a predetermined rule indicative of a combination of the sub-segments, and extracting a feature of each of the combined segments.

REFERENCES:
patent: 3970991 (1976-07-01), Kawada et al.
patent: 4163214 (1979-07-01), Komori et al.
patent: 4700402 (1987-10-01), Okai et al.
patent: 4757551 (1988-07-01), Kobayashi et al.
patent: 4903312 (1990-02-01), Sato
patent: 4903313 (1990-02-01), Tachikawa

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