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zhi-jun liu
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刘志军
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Abstract: This paper proposed a novel blind color watermarking algorithm based on self-adaptation of wavelet contrast and HVS speciality. It mainly includes the self-adaptation calculation of the factor of embedding intensity on the basis of wavelet contrast and HVS speciality; color watermarking embedding and blind extracting algorithm (using Arnold transform, interweaving and BCH coding technology). Experiments of attack and non-attack were carried out in the Matlab 6.5. The experimental results show that the algorithm has stronger invisibility and robustness on non-attack. It has better robustness on the common watermarking attack such as noise adding, middlefilter, croping, JPEG compression and so on; it has higher value on the multimedia copyright protection.
Key words: WaveLet Contrast, HVS speciality, Wavelet Transform, Color Watermarking
摘要: 提出了一种新颖的基于小波域对比度与HVS特性自适应盲检彩色水印算法。主要包括根据小波对比度和HVS特性对嵌入强度因子的自适应计算;彩色水印的嵌入与盲提取算法(采用了Arnold变换置乱,交织和BCH编码技术)。利用Matlab 6.5平台进行了算法的攻击与无攻击实验。实验结果表明:该算法在无攻击的情况下具有较强的透明性和鲁棒性;而在添加噪声、中值滤波、剪切、JPEG压缩攻击等的情况下具有较好的鲁棒性,在保护多媒体数据版权方面具有较高的实用价值。
关键词: 小波对比度, 视觉特性, 小波变换, 彩色水印
zhi-jun liu. Blind color watermarking algorithm based on self-adaptation of wavelet domain[J]. Journal of Computer Applications.
刘志军. 基于小波域的自适应盲检彩色水印算法[J]. 计算机应用.
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http://www.joca.cn/EN/Y2008/V28/I7/1792