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Study on Type of High-efficiency and Block Image Scrambling Algorithm Based on Arnold Transform
Pages: 17-19
Year: Issue:  3
Journal: Video Engineering

Keyword:  图像加密置乱分块Arnold变换;
Abstract: 传统的基于Arnold变换的数字图像置乱方法存在置乱过程缺乏随机性、保密性不高、置乱周期过大降低了算法的效率等问题.针对上述问题,提出了一种高效率的分块图像置乱算法.该算法基于分块的思想,先对图像进行分块处理,而后对图像块进行Arnold变换,从而实现了对图像置乱加密的目的.实验结果表明,该算法可以缩短图像置乱的周期,操作简单,执行效率高,安全性强.
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