| 发明名称 |
METHOD AND SYSTEM FOR PROTECTING AND AUTHENTICATING A DIGITAL IMAGE |
| 摘要 |
<p>A method of protecting a digital image, the method comprising extracting feature values from the digital image based on a selected authentication bit-rate; embedding data corresponding to the feature values as a watermark in a into the digital image; and creating an image signature based on the data corresponding to the feature values.</p> |
| 申请公布号 |
EP1678677(A1) |
申请公布日期 |
2006.07.12 |
| 申请号 |
EP20040775633 |
申请日期 |
2004.09.24 |
| 申请人 |
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH |
发明人 |
SUN, QIBIN;ZHANG, ZHIZHOU;HE, DAJUN |
| 分类号 |
G06T1/00;(IPC1-7):G06T1/00 |
主分类号 |
G06T1/00 |
| 代理机构 |
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