Blind MPEG-2 video watermarking robust against geometric attacks: A set of approaches in DCT domain

被引：58
|
作者：
Wang, Yulin [1 ]
Pearmain, Alan
机构：
[1] Wuhan Univ, Int Sch Software, Wuhan 430072, Peoples R China
[2] Queen Mary Univ London, Dept Elect Engn, London E1 4NS, England
来源：
IEEE TRANSACTIONS ON IMAGE PROCESSING | 2006年 / 15卷 / 06期
关键词：
data hiding; MPEG-2 video processing; water-marking;
D O I：
10.1109/TIP.2006.873476
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A set of robust MPEG-2 video watermarking techniques is proposed, focusing on commonly used typical geometric processing for bit-rate reduction, cropping, removal of any rows, arbitrary-ratio downscaling, and frame dropping. Both the embedding and the extraction of watermarks are done in the compressed domain, so the computational cost is low. Moreover, the watermark extraction is blind, i.e., no original unwatermarked MPEG-2 video is needed for watermark extraction. The presented technique is applicable not only to MPEG-2 video, but also to other DCT-based coding videos. Selected experimental results validate our techniques.
引用
收藏
页码：1536 / 1543
页数：8
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