A novel video watermarking scheme in compressed domain based on fast motion estimation

被引：0
|
作者：
Zhao, Z [1 ]
Yu, NH [1 ]
Li, XL [1 ]
机构：
[1] Univ Sci & Technol China, Informat Proc Ctr, Hefei 23007, Anhui, Peoples R China
来源：
2003 INTERNATIONAL CONFERENCE ON COMMUNICATION TECHNOLOGY, VOL 1 AND 2, PROCEEDINGS | 2003年
关键词：
digital watermark; motion estimation; block matching; pyramid;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we will propose a fast video watermarking technology to hide copyright information by a least modification of the motion vectors in compressed video bitstream. During the process of watermark embedding and detecting, we must estimate the motion vector first. In order to reduce the computational burden, we present a novel fast estimation algorithm, based on the block sum pyramid. Simulation results indicate that our method is effective and practical.
引用
收藏
页码：1878 / 1882
页数：5
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