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一种基于Radon变换的图像水印算法 被引量:2

An Image Watermark Algorithm Based on Radon Transform
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摘要 介绍一种基于几何不变域的图像水印算法.在对原始图像进行Radon变换后,再对Radon变换域中的值进行二维DFT变换,得到的量具有抗尺度变换攻击和旋转攻击的特性,即得到一种几何不变域.最后,按照一定的方法在此不变域中嵌入的水印.实验结果表明,该算法不仅能够抵抗尺度变换攻击和旋转攻击,而且对高斯噪声攻击也有鲁棒性.
出处 《计算机研究与发展》 EI CSCD 北大核心 2006年第z2期315-318,共4页 Journal of Computer Research and Development
基金 国家自然科学基金项目(60502024) 湖北省自然科学基金项目(2005ABA267) 电子信息产业发展基金项目(信部运[2004]479号) 科技部科技型中小企业创新基金项目(04C26214201284)
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参考文献5

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二级参考文献53

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共引文献13

同被引文献23

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