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
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