| 摘要 |
It is an object of the invention to correctly recognize a delimiter of character trains included in image information. Namely, an object of the invention is to correctly recognize and extract not only an image divided every column by lateral rules but also an image which is not divided every column by lateral rules on a column unit basis. For this purpose, according to the invention, attributes regarding whether a table image extracted from the image information is a table without lateral rule or not are discriminated in accordance with characteristics of line images which are extracted from the image information. In accordance with the attributes, whether line delimiter information is added every line image extracted or not is determined, so that the character trains included in the table image which is not divided every unit column by the lateral rules can be divided every column and recognized.
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