一个Lorenz混沌系统代码，可供学习研究混沌系统的参考，对图像做加密解密处理。-A Lorenz chaotic system code available for study and research of chaotic systems reference on the image to do encryption and decryption processing.

Arnold变换及其逆变换的MATLAB源码，图像处理中常用的代码。-The MATLAB source code of Arnold transform and its inversion for image processing.