| 发明名称 |
METHOD FOR MARKING A COMPRESSED DIGITAL VIDEO SIGNAL |
| 摘要 |
<p>A method for marking a compressed digital video signal by embedding a digital signature in the compressed video signal, the signal representing a series of at least two video images, each image being divided into a plurality of regions, the signal including movement vectors representing the movement of the regions between the first and the second image, characterised in that it consists in modifying at least one of the coefficients X or Y of at least one of the movement vectors.</p> |
| 申请公布号 |
EP0997042(A1) |
申请公布日期 |
2000.05.03 |
| 申请号 |
EP19980931874 |
申请日期 |
1998.07.15 |
| 申请人 |
ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE |
发明人 |
KUTTER, MARTIN;JORDAN, FREDERIC;EBRAHIMI, TOURADJ |
| 分类号 |
H04N19/467;H04N19/51;(IPC1-7):H04N7/26;H04N7/52 |
主分类号 |
H04N19/467 |
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