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Patent Searching and Data


Title:
CHARACTER RECOGNITION METHOD AND DEVICE THEREFOR
Document Type and Number:
Japanese Patent JP3197464
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To reduce the capacity of a standard pattern store memory and also to shorten the collation time of the standard pattern toy selecting a filter suitable to a recognition pattern out or those prepared filters and carrying out the filtering processing by means of the selected filter.
SOLUTION: A character recognizer is provided with a photoelectric conversion part 11, the 1st and 2nd pattern registers 13 and 17, a filter part 15, a feature extraction part 19, an identification part 21, a character quality evaluation part 23 and a filter selection part 25. The part 15 has plural filters of different characteristics and one of these filters is selected at the part 25. This selected filter applies the filtering processing to an original character pattern. In such a constitution, the character quality evaluation value of the character pattern to be recognized is calculated as prescribed. At the same time, a filter that is suitable to the filtering processing that is applied to the character pattern is selected out of plural prepared filters based on the character quality value. As a result, the types of patterns to be prepared can be decreased.


Inventors:
Nagata, Masaharu
Goto, Hirohisa
Higuchi, Koichi
Application Number:
JP1995000213873
Publication Date:
August 13, 2001
Filing Date:
August 23, 1995
Export Citation:
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Assignee:
OKI ELECTRIC IND CO LTD
International Classes:
G06K9/36; G06K9/03; G06K9/20; G06K9/44; G06K9/52; G06K9/62; G06K9/68; (IPC1-7): G06K9/36; G06K9/03; G06K9/62; G06K9/68
Attorney, Agent or Firm:
大垣 孝