发明名称 |
INCREASING INTEGRITY OF WATERMARKS USING ROBUST FEATURES |
摘要 |
<p>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.</p> |
申请公布号 |
EP1459254(A1) |
申请公布日期 |
2004.09.22 |
申请号 |
EP20020785854 |
申请日期 |
2002.12.09 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
OOSTVEEN, JOB, C.;KALKER, ANTONIUS, A., C., M. |
分类号 |
H04N7/08;G06T1/00;G11B20/10;H04L9/32;H04N7/081;(IPC1-7):G06T1/00 |
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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