基于混沌加密的离散小波变换域数字图像水印算法的研究的期刊论文-DWT Based on Chaotic Encryption Algorithm for Digital Image Watermarking domain of research journal articles

对图像进行二维小波变换，变换后的二维图像将分为四个子带。-The image two-dimensional wavelet transform, the transformed two-dimensional image will be divided into four sub-band.