| 发明名称 |
VIDEO-WATERMARKING METHOD AND APPARATUS, AND PROTECTION METHOD AND APPARATUS OF VIDEO CONTENTS USING VIDEO WATERMARKING |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a video-watermarking method and apparatus, and to provide a protection method and apparatus that use video watermarking. <P>SOLUTION: The video watermarking method includes a step of detecting a scene conversion of a video sequence, a step to decide an insertion strength of a watermark of a seen unit by calculating an image complexity of the scene by one or more frames of the detected scene, and a step to insert the watermark into the video sequence, according to the decided insertion strength. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
| 申请公布号 |
JP2005341525(A) |
申请公布日期 |
2005.12.08 |
| 申请号 |
JP20040332407 |
申请日期 |
2004.11.16 |
| 申请人 |
SAMSUNG ELECTRONICS CO LTD |
发明人 |
SEONG YEONG-KYEONG;CHOI YOON-HEE;CHOI TAE-SUN |
| 分类号 |
G06T1/00;G06K9/00;G06K9/36;H03M7/36;H04N5/913;H04N19/103;H04N19/136;H04N19/139;H04N19/14;H04N19/467;H04N19/50;H04N19/51;H04N19/60;H04N19/625;H04N19/70;H04N19/90;H04N19/91;(IPC1-7):H04N7/30;H04N7/32 |
主分类号 |
G06T1/00 |
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