针对JPEG2000格式的图像，利用了Arnold变换对图像的小波系数进行加密，对初步研究JPEG2000图像加密算法的有试用价值-JPEG2000 image format for the use of the Arnold transform the image of the wavelet coefficients encryption, preliminary study of the JPEG2000 image encryption algorithms have tested th

利用Arnold变换的周期性对经Arnold变换加密后的图像进行解密-The cyclical nature of the use of Arnold transform for the Arnold transform encrypted image decryption