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本程序用Matlab语言实现了基于Arnold变换的图像置乱算法-this procedure using Matlab-based Arnold Transform Image Scrambling algorithm. .
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arnold cat 映射实验，观察其迭代次数与置乱效果的关系，这是图像加密的典型算法-arnold cat mapping experiments to observe the number of iterations and the scrambling effect relationship, which is a typical image encryption algorithm
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arnold置乱算法，将二维矩阵置乱，重新提取。-arnold scrambling algorithm, the two-dimensional matrix scrambling to re-extraction.
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选择两张图片，一张水印图，一张嵌入图，将水印图进行Arnold置乱算法将其置乱，嵌入到嵌入图中，形成数字零水印，选用白噪声、高斯低通滤波、压缩、剪切、旋转攻击测试。以此观察图像鲁棒性(Select two pictures, a watermark and an embedded graph. We will scramble the watermark image with Arnold scrambling algorithm and embed it into the embedded m
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