发明名称 |
Image reading or processing with ability to prevent copying of certain originals |
摘要 |
There is disclosed an apparatus for image reading or processing, that can precisely identify a particular pattern, such as of banknotes or securities faithful copying of which is to be prohibited. The apparatus is provided with a detecting unit for detecting positional information of an original image, and a discriminating unit for extracting the pattern data of a certain part of the original image and discriminating whether the original image is the predetermined image, based on the similarity between the pattern data and the predetermined pattern.
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申请公布号 |
US5426710(A) |
申请公布日期 |
1995.06.20 |
申请号 |
US19920957528 |
申请日期 |
1992.10.06 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SUZUKI, YOSHIYUKI;FUNADA, MASAHIRO;OUTA, KENICHI;KAWASE, MICHIO |
分类号 |
G03G15/00;G03G21/04;G06T1/00;G07D7/12;G07D7/16;G07D7/20;H04N1/00;(IPC1-7):G06K9/00;G03G21/00 |
主分类号 |
G03G15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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