| 一种基于图像内容的小波域半脆弱水印算法 |
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| 引用本文： | 丁敬忠,杨子华,黄晓宇.一种基于图像内容的小波域半脆弱水印算法[J].通信技术,2008,41(12). |
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| 作者姓名： | 丁敬忠 杨子华 黄晓宇 |
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| 作者单位： | 湖南工程学院,计算机科学系,湖南,湘潭,411104 |
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| 基金项目： | 湖南省教育厅青年项目
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| 摘 要： | 在充分考虑图像视觉屏蔽特性的基础上,提出一种小波域图像半脆弱水印算法.嵌入水印基于小波低频子带系数产生,该方案通过自适应地修改小波变换后水平与垂直细节子带系数以嵌入水印,嵌入水印具有较好的透明性.实验结果证明了算法对非恶意攻击的鲁棒性和对恶意攻击的脆弱性.
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| 关 键 词： | 数字水印 半脆弱水印 小波变换 图像认证 |
A Content-Based Semi-Fragile Image Watermarking in Wavelet Domain |
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| DING Jing-zhong,YANG Zi-hua,HUANG Xiao-yu.A Content-Based Semi-Fragile Image Watermarking in Wavelet Domain[J].Communications Technology,2008,41(12). |
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| Authors: | DING Jing-zhong YANG Zi-hua HUANG Xiao-yu |
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| Affiliation: | DING Jing-zhong,YANG Zi-hua,HUANG Xiao-yu (Computer Science Department,Hunan Institute of Engineering,Xiangtan Hunan,411104,China) |
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| Abstract: | Based on fully considering the visual masking characteristics of the original image,a semi-fragile watermarking algorithm operating in wavelet domain is presented.The scheme adaptively modifies coefficients of horizontal and vertical sub-bands to embed the content based watermark generated from the approximate sub-band; the embedded watermark has high transparency due to the exploiting of visual masking characteristics.The experimental results have proved the robustness to non-malicious attacks and the frag... |
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| Keywords: | Digital Watermarking Semi-Fragile Watermarking Wavelet Transform Image Authentication |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
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