Ps22Pdf 关键词 : 置乱变换 ; 图像加密 ; 混沌序列 [gap=775]Key words: Scrambling Transformation; Digital Image Encryption; Chaotic Sequences
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At present, the scrambling transform of digital image has become one of important means of the secure transmission and cryptical storage.
数字图像置乱变换,目前已成为数字图像安全传输和保密存储的重要手段之一。
参考来源 - 图像置乱中纹理的产生和演化·2,447,543篇论文数据，部分数据来源于NoteExpress
而且对于不同的图像，该评价方法能在一定程度上反映了所用的置乱变换在各个加密阶段的效果。
For different images, when some transformation is used, this appraisal method can reflect to some extent the scrambling effects in each encryption stage.
该算法利用线性同余模型产生伪随机序列以对图像进行空间置乱，采用异或操作实现图像的灰度变换。
It achieves space chaos of an image with a pseudo-random sequence generated by linear congruential method, and achieves gray chaos by XOR operation.
利用小波分解的能量分布规律，提出了基于小波变换的图像隐藏算法，并利用素数置乱对隐藏算法作进一步的改进。
By using the energy distribution of the wavelet decomposition, image hiding algorithm based on wavelet transformation is presented, and then improved with prime number scrambling algorithm.
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