Method and apparatus for character recognition

Details Method and apparatus for character recognition Method and apparatus for character recognition

1984-02-23

1986-06-17

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 30, 382 41, G06K 918

Patent

active

045960380

ABSTRACT:
A character recognition method involves the inputting of a character attached to an article as an image signal, forming the input image signal into an image pattern, and matching the image pattern with a standard pattern. The character to be recognized is prepared by superimposing on an ordinary character a plurality of marks in a pattern characterizing that character. A letter recognition apparatus discriminates the character by extracting only the characterizing marks from the image signal through image processing and by matching the information concerning the arrangement of the characteristic marks extracted and standard information relating to standard image patterns which is stored in advance.

REFERENCES:
patent: 2791310 (1957-05-01), Jones
patent: 3823261 (1974-07-01), Bolsey
patent: 4486775 (1984-12-01), Catlow

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