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img_correlation

于 2020-11-01 发布 文件大小:165KB
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代码说明:

  像素相关性计算函数,该指标对于衡量一个加密后的图像安全性能(Pixel correlation calculation function, the safety performance indicators for measuring an image after encryption)

文件列表:

img_cov.m,2685,2010-07-09

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    将一幅图像转化为二值图像,然后对二值图像进行行程编码。(Will be an image into a binary image, and then carried out on the binary image encoding trip.)
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    基于混沌序列的二值图像加密算法:提 出了一种以混沌二值序列为基础的图像加密算法 , 改进了灰度差置乱度算法来评价二值图像加密 效果 , 最后对混沌序列对初始条件的敏感性、 相邻像素差置乱度、 图像加密/ 解密速度进行了大量测试。(Based on Chaotic Encryption Algorithm of Binary Image: A chaotic binary sequences with an image encryption scheme based on improved gray scrambling degree difference algorithms to encrypt binary image evaluation results, the last of the original chaotic sequence conditions of the sensitivity of adjacent pixels difference scrambling, Image encryption/decryption speed of a large number of tests.)
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