把一幅图像置乱，相当于加密，然后用相同的密钥再反置乱还原回原始图像。-To an image scrambling, which is equivalent encryption, and then use the same key again to restore the anti-scrambling back to the original image.

采用Arnold变换对彩色图像进行加密操作，并能实现解密，恢复原图像-Adopt Arnold transform pairs of color image carry on encryption operation, and can realize decryption, restore the the original image