| 发明名称 |
Robust watermarking for digital objects |
| 摘要 |
Method of embedding a watermark in a digital object. The watermark is used to perform argument modulation of a transform of the object. Watermark data is used in the argument of the transform to effectively shift around values in the transform domain.
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| 申请公布号 |
US6463162(B1) |
申请公布日期 |
2002.10.08 |
| 申请号 |
US19980163716 |
申请日期 |
1998.09.30 |
| 申请人 |
HEWLETT-PACKARD COMPANY |
发明人 |
VORA POORVI L. |
| 分类号 |
H04N7/08;G06T1/00;H04N1/32;H04N1/387;H04N7/081;H04N7/26;(IPC1-7):G06K9/00 |
主分类号 |
H04N7/08 |
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代理人 |
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| 地址 |
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