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1.
公开(公告)号:EP0901282B1
公开(公告)日:2006-06-28
申请号:EP98306484.1
申请日:1998-08-14
申请人: Hitachi, Ltd.
发明人: Kimura, Hiroyuki , Arai, Takao , Takeuchi, Toshifumi , Yoshiura, Hiroshi, 102 Berugureisu-miyazakidai
IPC分类号: H04N5/913
CPC分类号: G06T1/005 , G06T1/0085 , G06T2201/0065 , H04N5/913 , H04N21/23892 , H04N21/8358 , H04N2005/91335
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2.
公开(公告)号:EP0901282A2
公开(公告)日:1999-03-10
申请号:EP98306484.1
申请日:1998-08-14
申请人: HITACHI, LTD.
发明人: Kimura, Hiroyuki , Arai, Takao , Takeuchi, Toshifumi , Yoshiura, Hiroshi, 102 Berugureisu-miyazakidai
IPC分类号: H04N5/913
CPC分类号: G06T1/005 , G06T1/0085 , G06T2201/0065 , H04N5/913 , H04N21/23892 , H04N21/8358 , H04N2005/91335
摘要: At recording of a video signal, with electronic watermark information being embedded therein, on a recording medium, a reference signal which is formed differently from the watermark information is inserted to the video signal. At reproduction of the video signal, the luminance of the watermark information is modified based on the reference signal.
摘要翻译: 在视频信号的记录,具有电子水印信息被嵌入其中,在记录介质上,这是从水印信息不同地形成的参考信号的所有被插入到视频信号上。 在视频信号的再现时,水印信息的亮度被修改基于所述参考信号。
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