Character recognition method

Image analysis – Pattern recognition – Limited to specially coded – human-readable characters

Reexamination Certificate

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Details

C382S164000, C382S171000, C382S176000

Reexamination Certificate

active

10912234

ABSTRACT:
The present invention is a character recognition apparatus, which comprises a background discriminating section, a non-character line discriminating section, a first non-character line removed image creating section that creates a first non-character line removed image, which is an original image from which the non-character line is removed, a first character area discriminating section, an enlarged image creating section, a second non-character line removed image creating section, an interference judgment section that judges whether or not the character and the non-character line interfere with each other in the original image, a character image restoring section that restores the character image, a second character area discriminating section, and a character recognizing section that digitizes the character area recognized by the second character area discriminating section and recognizes the character, thereby characters written on a color form are recognized at a high accuracy.

REFERENCES:
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patent: 5459797 (1995-10-01), Sato
patent: 6501864 (2002-12-01), Eguchi et al.
patent: 2002/0172422 (2002-11-01), Nishiwaki
patent: 0618545 (1994-10-01), None
patent: HEI 2-204879 (1990-08-01), None
patent: 2000-57260 (2000-02-01), None
patent: 2000-322510 (2000-11-01), None
patent: 2001-92912 (2001-04-01), None
patent: 2001-297303 (2001-10-01), None
patent: 2003-196591 (2003-07-01), None
patent: 2003-196592 (2003-07-01), None
European Patent Office Search Report dated Aug. 3, 2006 for corresponding European Patent Application No. 04019715.4.

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