Character recognition system

Details Character recognition system Character recognition system

1991-03-13

1993-03-02

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 61, 358462, G06K 934

Patent

active

051916126

ABSTRACT:
A character recognition device includes a ruled line extracting unit supplied with image information to be recognized and operated for extracting ruled line coordinates from the image information, a character recognizing unit for recognizing characters from the region excluding frame lines extracted by the ruled line extracting unit, and a recognition result outputting unit for outputting character codes together with ruled line codes from the results obtained by the ruled line extracting unit and the character recognizing unit.

REFERENCES:
patent: 4292622 (1981-09-01), Henrichon, Jr.
patent: 4377803 (1983-03-01), Lotspiech et al.
patent: 4589144 (1986-05-01), Namba
patent: 4949392 (1990-08-01), Barski et al.
patent: 5048107 (1991-09-01), Tachikawa
patent: 5075895 (1991-12-01), Bessho

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