| 一种用于版权保护的数字图像双水印算法 |
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| 引用本文： | 王婷 刘江,王希常.一种用于版权保护的数字图像双水印算法[J].计算机应用,2007,27(1):240-241. |
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| 作者姓名： | 王婷 刘江 王希常 |
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| 作者单位： | 山东师范大学信息科学与工程学院 山东济南250014(王婷，王希常)，山大鲁能信息科技有限公司 山东济南250100(刘江) |
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| 基金项目： | 致谢：感谢 我的导师王希常老师对我的悉心指导,感谢师兄刘江帮我做了大量的资料整理和实验工作. |
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| 摘 要： | 提出了一类抗压缩的鲁棒加半脆弱双水印算法。利用图像的纹理特性将原始图像分块，根据不同的嵌入强度将可见水印图像嵌入原始图像的频域中以显示所有权，然后在每个图像块的高频部分加入自嵌入不可见水印以认证图像。实验表明，此双水印系统能够达到标识、认证图像所有权的目的。
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| 关 键 词： | 可见水印 不可见水印 纹理 DCT变换 校验和 |
| 文章编号： | 1001-9081（2007）01-0240-02 |
| 收稿时间： | 2006-07-11 |
| 修稿时间： | 2006-07-112006-10-16 |
Dual watermarking algorithm for copyright protection of digital images |
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| WANG Ting,LIU Jiang,WANG Xi-chang.Dual watermarking algorithm for copyright protection of digital images[J].journal of Computer Applications,2007,27(1):240-241. |
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| Authors: | WANG Ting LIU Jiang WANG Xi-chang |
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| Affiliation: | 1. Shandong Normal University, Jinan Shandong 250014, China; 2. Shanda Luneng Information Technology Co,, LTD., Jinan Shandong 250100, China |
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| Abstract: | A dual watermarking algorithm that accepted JPEG compression was presented.The original image was first segmented into blocks based on the texture property,and different embedding intensities were used to embed the watermarking into the Discrete Cosine Transform(DCT) domain of the original image to indicate ownership of the image.And then the invisible watermarking was embedded into the high frequence part to verify ownership of the image.The experiment shows that the proposed dual watermarking system can indicate and verify the ownership. |
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| Keywords: | visible watermarking invisible watermarking robust watermarking semi-fragile watermarking DCT(Discrete Cosine Transform) |
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