| 摘要 |
PROBLEM TO BE SOLVED: To increase the accuracy (character recognition accuracy) of postprocessing for extraction of a character rectangle. SOLUTION: A pixel block contacting an enclosing border of a character rectangle is acquired (S301, 302). A determination is made as to whether the acquired pixel block has a likelihood of noise (S303, 304). A noise candidate removed character rectangle is generated, such that the pixel block determined to have a likelihood of noise is removed from the character rectangle (S305, 306). Validities of character recognition are calculated for both of the noise candidate removed character rectangle and the character rectangle, and the character rectangle having higher validity is selected (S307, 308). COPYRIGHT: (C)2010,JPO&INPIT
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