Video digital watermark research based on MPEG4

被引：0
|
作者：
Wen, Yang [1 ,4 ]
Wu, HuiLin [2 ]
Yin, Dehui [3 ]
He, Jie [1 ]
Li, Bingfa [1 ]
Yin, Hao [1 ,2 ]
机构：
[1] Sichuan Univ, Sch Comp Sci, Chengdu 610064, Peoples R China
[2] Sichuan Univ, Sch Elect Informat, Chengdu 610064, Peoples R China
[3] Luzhou Med Coll, Dept Biomed, Luzhou, Peoples R China
[4] Alibaba Corp, Hangzhou, Zhejiang, Peoples R China
来源：
PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON IMAGE AND GRAPHICS | 2007年
关键词：
watermark; DCT transform; MPEG4; video; scrambling;
D O I：
10.1109/ICIG.2007.161
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper, based on DCT transform and image scrambling, presents the digital watermark embedding scheme. Embedding and extracting watermark in compressed video field are carried out in this way. In this paper, DCT transform is used as MPEG4 use DCT transform to compress. Before watermark is embedded, scrambling image is adopted to transform watermark information Also, the embedding position of the watermark bit is modified by one chaos sequence, and this method promotes the robustness and the security of the watermark. Experiments make it clear that the scheme adopted in this paper satisfy the requirements for imperceptibility, robustness and security.
引用
收藏
页码：313 / +
页数：2
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