发明名称 |
Increasing integrity of watermarks using robust features |
摘要 |
This invention relates to a method of embedding a watermark pattern with a payload in a time dependent information signal, comprising the steps of determining a number of robust signatures in the information signal, creating the payload being dependent of at least one of the number of robust signatures and a predefined message, embedding the watermark pattern according to the payload in the information signal. The invention also relates to a corresponding method and arrangement for detecting a watermark pattern in an information signal.
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申请公布号 |
US7478242(B2) |
申请公布日期 |
2009.01.13 |
申请号 |
US20040498965 |
申请日期 |
2004.06.16 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
OOSTVEEN JOB CORNELIS;KALKER ANTONIUS ADRIANUS CORNELIS MARIA |
分类号 |
G06K9/00;H04N7/08;G06T1/00;G09C1/00;G09C5/00;G11B19/12;G11B20/00;H04L9/32;H04N1/32;H04N1/387;H04N7/081;H04N7/26 |
主分类号 |
G06K9/00 |
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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