发明名称 |
Increasing integrity of watermarks using robust features |
摘要 |
This invention relates to a method and an arrangement for embedding a watermark pattern in an information signal. A method of embedding a watermark pattern in an information signal comprising the steps of determining a robust signature as a set of robust features in said information signal, creating a watermark pattern as a signature dependent function of a predefined basic watermark pattern and embedding said watermark pattern in said 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 |
US2005044370(A1) |
申请公布日期 |
2005.02.24 |
申请号 |
US20040498962 |
申请日期 |
2004.06.16 |
申请人 |
OOSTVEEN JOB CORNELIS;KALKER ANTONIUS ADRIANUS CORNELIS MARIA |
发明人 |
OOSTVEEN JOB CORNELIS;KALKER ANTONIUS ADRIANUS CORNELIS MARIA |
分类号 |
H04N7/08;G06T1/00;G11B20/10;H04L9/32;H04N7/081;(IPC1-7):H04L9/00 |
主分类号 |
H04N7/08 |
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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