Document recognition device

Details Document recognition device Document recognition device

1992-04-01

1993-10-26

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

382 14, 382 39, 382 57, G06K 920

Patent

active

052573281

ABSTRACT:
A document recognition device capable of correcting results obtained by recognizing a character image. The document recognition device includes a character recognizing unit for recognizing a character image, a correction data base in which correction information on mis-recognized characters which were targets to be corrected by an operator has been registered, an automatic correction unit for correcting results recognized by the character recognizing unit by use of the correction data base, an operator's correction unit by which the operator corrects results corrected by the automatic correction unit, and a correction data base updating unit for registering, in the correction data base, correction information obtained from the results recognized by the character recognizing unit and the results corrected by the operator's correction unit.

REFERENCES:
patent: 4860376 (1989-08-01), Tanaka et al.
patent: 4907283 (1990-03-01), Tanaka et al.
patent: 5025484 (1991-06-01), Yamanari et al.
patent: 5040227 (1991-08-01), Lyke et al.
patent: 5052043 (1991-09-01), Gaborski
Image Processing Handbook, published by Skokodo, 20.3 Character Recognition Device (OCR) pp. 482-490.

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