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发明名称
Digital watermark embeddig
摘要
申请公布号
EP1291819(A3)
申请公布日期
2005.09.28
申请号
EP20020256077
申请日期
2002.09.02
申请人
CANON KABUSHIKI KAISHA
发明人
KANEDA, KITAHIRO
分类号
G06T1/00;G09C5/00;H04N1/387;(IPC1-7):G06T1/00
主分类号
G06T1/00
代理机构
代理人
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