| 摘要 |
<P>PROBLEM TO BE SOLVED: To certainly discriminate a laminated ticket by correctly discriminating characteristics of laminates and folds by applying filtering to an image of a medium with a differentiation filter in consideration of a sign of plus or minus. <P>SOLUTION: A medium discrimination device includes: an image acquisition section 21 which acquires an image of a medium 11; and a filtering section 22 which applies filtering by a differentiation filter to the image in consideration of a sign of plus or minus. <P>COPYRIGHT: (C)2010,JPO&INPIT |
