A Blind Watermarking Algorithm Based on Block DCT for Dual Color Images

被引：0
|
作者：
Zheng Chaomei [1 ]
Li Yuan [1 ]
机构：
[1] Nanchang Univ, Nanchang 330031, Peoples R China
来源：
2011 INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND NETWORK TECHNOLOGY (ICCSNT), VOLS 1-4 | 2012年
关键词：
spread spectrum technology; image compression; color space; block DCT; bit error correction;
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：
Firstly, this paper introduces some related concepts, principles, technology, and image pre-processing knowledge about digital watermarking. Secondly, on the basis of JPEG image compression coding and the HVS, the paper analyzes and compares some current image watermarking algorithms based on block nCT, and presents a novel dual-color image watermarking algorithm based on spread-spectrum technology and block nCT. Lastly, VC++ and Matlab7.0 are used to implement the proposed image watermarking algorithm. Simulation results show that the proposed algorithm in this paper has good performances in transparency and robustness.
引用
收藏
页码：1690 / 1694
页数：5
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