二维离散小波变换，实现一幅图的分解与重构。恢复原图-Two-dimensional discrete wavelet transform, the realization of a diagram of the decomposition and reconstruction. To restore image

基于DCT域音频水印完整源代码，包括水印图像的预处理（二维二值图像Arnold变换、混沌加密、降维），水印的嵌入提取以及检测，信噪比和相似性系数。-Based on the the DCT domain audio watermarking complete source code, including the watermark image preprocessing (two-dimensional binary images Arnold transform chaotic encrypt