| 一种基于Bandelet变换的数字图像水印算法 |
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| 引用本文： | 朱秀阁,牛宏娟,李登峰.一种基于Bandelet变换的数字图像水印算法[J].福州大学学报(自然科学版),2011,39(5):686-692. |
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| 作者姓名： | 朱秀阁 牛宏娟 李登峰 |
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| 作者单位： | 河南大学计算中心;河南大学数学与信息科学学院;福州大学数学与计算机科学学院; |
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| 基金项目： | 国家自然科学基金资助项目(61071189) |
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| 摘 要： | 提出一种基于第二代Bandelet变换的数字水印算法.该算法分别将原始图像和水印图像进行Bandelet变换,通过先对原始图像的Bandelet系数做预处理,按照水印嵌入加法准则,将水印信息的Bandelet系数嵌入到原始图像的重要系数上,达到对系数的改变以实现水印的嵌入.实验结果表明:该算法与基于小波变换的算法相比,经剪切、中值滤波、加噪和JPEG压缩等攻击后仍具有良好的鲁棒性.
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| 关 键 词： | Bandelet变换 数字水印 图像 算法 |
A digital image watermarking algorithm based on Bandelet transform |
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| ZHU Xiu-ge,NIU Hong-juan,LI Deng-feng.A digital image watermarking algorithm based on Bandelet transform[J].Journal of Fuzhou University(Natural Science Edition),2011,39(5):686-692. |
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| Authors: | ZHU Xiu-ge NIU Hong-juan LI Deng-feng |
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| Institution: | ZHU Xiu-ge1,NIU Hong-juan2,LI Deng-feng2,3(1.Computer Center,Henan University,Kaifeng,Henan 475001,China,2.School of Mathematics and Information Sciences,3.College of Mathematics and Computer Sciences,Fuzhou University,Fuzhou,Fujian 350108,China) |
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| Abstract: | A digital watermarking algorithm based on second generation Bandelet transform is presented.The method imposes Bandelet transform on original image and watermarking image.The embedding of watermarking is realized by pre-processing Bandelet coefficients of original image and embedding that of watermarking information on them via embedding addition rule.Experimental results show that the algorithm is better than wavelet-based,which are reflected in resisting various attacks robustly,for example,cutting,median... |
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| Keywords: | Bandelet transform digital watermarking image algorithm |
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