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| 一种基于分块DCT的自适应盲水印算法 | |
| 引用本文： | 于瑞琴,李永忠. 一种基于分块DCT的自适应盲水印算法[J]. 镇江高专学报, 2009, 22(3): 55-57,61 |
| 作者姓名： | 于瑞琴 李永忠 |
| 作者单位： | 1. 镇江高等专科学校,电子与信息系,江苏,镇江,212003 2. 江苏科技大学,电子信息学院,江苏,镇江,212003 |
| 摘 要： | 根据Watson视觉模型推导出的一种可以直接应用于DCT压缩域的自适应归一化掩模作为水印嵌入强度,在对原始二值水印作置乱处理后,利用相邻的4个8×8 DCT块之间的关系把二值水印嵌入到灰度图像中,在提取水印时,不需要原始图像。Matlab仿真实验结果表明,本算法在不可见性和鲁棒性方面具有良好性能。 |
| 关 键 词： | DCT Watson模型 盲水印 |
Adaptive blind watermarking algorithm based on the DCT block |
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| YU Rui-qin,LI Yong-zhong. Adaptive blind watermarking algorithm based on the DCT block[J]. Journal of Zhenjiang College, 2009, 22(3): 55-57,61 | |
| Authors: | YU Rui-qin LI Yong-zhong |
| Affiliation: | 1. Electron ＆ Information Department, Zhenjiang College, Zhenjiang 212003,China 2. School of Electron and Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China) |
| Abstract: | As embedding strength adaptive normalization of the mask deduced according to that Watson visual model,can be derived directly applied to a DCT compressed domain.It uses the four adjacent block 8×8 DCT relationship to embed the two values watermark to gradation images after original binary watermarking scrambling to deal with.It need the original image on extraction watermarking.The matlab experiment already shows that the solution of self-adaptation has very good performance at invisibility and robustness. |
| Keywords: | DCT |
| 本文献已被 维普 万方数据 等数据库收录！ | |