发明名称 |
Duplication controlling method, duplication controlling apparatus, recording medium, and duplication controlling program embodied on computer-readable medium |
摘要 |
The present invention is directed to a duplication controlling method for controlling duplication by embedding an electronic watermark indicating duplication-related control information into contents comprising digital information, wherein the electronic watermarks includes change position information indicating a change position of the contents of the control information.
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申请公布号 |
US2002126996(A1) |
申请公布日期 |
2002.09.12 |
申请号 |
US20020091027 |
申请日期 |
2002.03.06 |
申请人 |
PIONEER CORPORATION |
发明人 |
KURODA KAZUO |
分类号 |
G06T1/00;G09C5/00;H04N1/387;H04N5/85;H04N5/91;H04N5/913;H04N5/92;H04N7/08;H04N7/081;(IPC1-7):H04N5/91 |
主分类号 |
G06T1/00 |
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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