Robust block selection for watermarking video streams

被引：0
|
作者：
Polyak, Tamas [1 ]
Feher, Gabor [1 ]
机构：
[1] Budapest Univ Technol & Econ, Dept Telecommun & Media Informat, H-1117 Budapest, Hungary
来源：
WORLD CONGRESS ON ENGINEERING 2008, VOLS I-II | 2008年
关键词：
edge detection; spread spectrum; video stream; wavelet transform; watermarking;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper a robust video watermarking method is presented, which embeds data in the wavelet domain using edge detection. The algorithm uses the luminance values around the edges where changes are less noticeable for the human visual system. Watermark is embedded in an additive way using spread spectrum noise. The complexity of the method is low. The algorithms used for wavelet transformation and edge detection are fast and simple. Results show that the watermark signal is imperceptible, and the method is robust against low bitrate lossy compressions, like H.264 and XviD.
引用
收藏
页码：722 / 726
页数：5
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