Arnold置乱算法代码,能根据Arnold映射实验二维图像的像素坐标置乱加密-Arnold scrambling algorithm code, according to Arnold experimental two-dimensional image map coordinates of the pixel scrambling encryption

基于菲涅尔域的双随机相位编码图像加密方案，利用角谱传播法实现-Based on double random phase encoding Fresnel domain image encryption scheme to achieve the use of angular spectrum propagation method