| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable to highly accurately determine whether or not a region is a character region. <P>SOLUTION: This method has steps of extracting a determination target region from a document image, calculating the number of closed loops in the extracted determination target region, and determining whether or not the determination target region is a character region on the basis of the calculated numbers of closed loops. <P>COPYRIGHT: (C)2007,JPO&INPIT |
