发明申请
- 专利标题： METHOD AND APPARATUS FOR REMOTELY INSERTING WATERMARK INTO ENCRYPTED COMPRESSED VIDEO BITSTREAM
- 专利标题（中）： 用于将水印远程插入加密压缩视频比特的方法和装置
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申请号： US12766813申请日： 2010-04-23
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公开(公告)号： US20110261959A1公开(公告)日： 2011-10-27
- 发明人: Kuriacose Joseph , Raynold M. Kahn , Hanno Basse , Eugene Suharev
- 申请人： Kuriacose Joseph , Raynold M. Kahn , Hanno Basse , Eugene Suharev
- 申请人地址： US CA El Segundo
- 专利权人： The DIRECTV Group, Inc.
- 当前专利权人： The DIRECTV Group, Inc.
- 当前专利权人地址： US CA El Segundo
- 主分类号： H04L9/00
- IPC分类号： H04L9/00
摘要：
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.
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