发明名称 Image processing apparatus, image processing method, computer program
摘要 An image processing method according to the present invention includes extracting from a document image an area to be determined, calculating the number of closed loops within the extracted area, and making a determination based on the calculated number of closed loops, whether the area is a character area. This invention makes it possible to determine with a high accuracy whether an area to be determined is a character area.
申请公布号 US7848572(B2) 申请公布日期 2010.12.07
申请号 US20060379225 申请日期 2006.04.19
申请人 CANON KABUSHIKI KAISHA 发明人 MISAWA REIJI
分类号 G06K9/34 主分类号 G06K9/34
代理机构 代理人
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