| 基于小波对比度的自适应图像水印算法 |
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| 引用本文： | 魏伟一.基于小波对比度的自适应图像水印算法[J].计算机工程与应用,2010,46(26):89-90. |
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| 作者姓名： | 魏伟一 |
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| 作者单位： | 1.西北师范大学 数学与信息科学学院，兰州 730070 2.兰州理工大学 电气工程与信息工程学院，兰州 730050 |
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| 摘 要： | 提出一种基于小波对比度的小波域自适应水印算法，充分利用小波对比度更适合人类视觉特性的特点自适应地确定小波域上各分块的嵌入的强度和位置。理论分析和实验结果表明，该算法很好地解决了水印鲁棒性和不可见性之间的矛盾，对一般的图像处理和攻击有很好的鲁棒性。
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| 关 键 词： | 数字水印 小波对比度 小波域 |
| 收稿时间： | 2009-2-24 |
| 修稿时间： | 2009-4-1
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Adaptive digital watermarking algorithm based on wavelet contrast |
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| WEI Wei-yi.Adaptive digital watermarking algorithm based on wavelet contrast[J].Computer Engineering and Applications,2010,46(26):89-90. |
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| Authors: | WEI Wei-yi |
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| Affiliation: | 1.College of Mathematics and Information Science，Northwest Normal University，Lanzhou 730070，China 2.College of Electrical Engineering and Information Engineering，Lanzhou University of Technology，Lanzhou 730050，China |
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| Abstract: | A novel adaptive watermarking method block＇s embed position and intensity based on the based on wavelet contrast is proposed, It decides adaptively the every wavelet constrast which can more fit to Human Visual System（HVS）.Theoretical analysis and experiment results show that the algorithm solves the conflict of the watermark robustness and perceptual invisible.And it is robust against normal image processing and attacks. |
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| Keywords: | digital watermarking wavelet contrast wavelet transform |
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