发明名称 |
REMOTELY INSERTING WATERMARK INTO ENCRYPTED COMPRESSED VIDEO BITSTREAM |
摘要 |
<p>A method and apparatus for remote watermarking of a media program is disclosed. The method inserts a pattern of substituted second versions of media program portions that are invisible to the viewer, into reproduced copies of the media program. The method permits the watermarking of encrypted media programs.</p> |
申请公布号 |
CA2797067(C) |
申请公布日期 |
2016.01.19 |
申请号 |
CA20112797067 |
申请日期 |
2011.04.07 |
申请人 |
THE DIRECTV GROUP, INC. |
发明人 |
JOSEPH, KURIACOSE;KAHN, RAYNOLD M.;BASSE, HANNO;SUHAREV, EUGENE |
分类号 |
G06T1/00 |
主分类号 |
G06T1/00 |
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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