Character recognition device which divides a single character re

Details Character recognition device which divides a single character re Character recognition device which divides a single character re

1992-04-20

1993-12-14

Razavi, Michael T.

Image analysis

Histogram processing

For setting a threshold

382 34, G06K 962, G06K 968

Patent

active

052710688

ABSTRACT:
A character recongintion device has a subdivider, a features calculator and a character code recognition device. Image data for a single character area is extracted from scanned character image data and input to the subdivider. This subdivider divides the image data for the single character area into subregions. The features calculator calculates quantified features in each subregion based on a degree of resemblance between a template and image data in the subregions. When the features of each subregion are calculated for all subregions constituting the single character area, a character code corresponding to the scanned character image data is recognized by the character code recognition device based on the quantified features of each of all subregions.

REFERENCES:
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patent: 4153897 (1979-05-01), Yasuda et al.
patent: 4490850 (1989-12-01), Nally et al.
patent: 4503557 (1985-03-01), Maeda
patent: 4628533 (1986-12-01), Hongo et al.
patent: 4903313 (1990-02-01), Tachikawa
patent: 5065440 (1991-11-01), Yoshida et al.

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