构造小波基的Matlab源代码，来自小波图像压缩教程-Construction Wavelet Matlab source code, from the wavelet image compression tutorial

matlab实现的音频水印和图像水印代码 包括回声和量化方法 扩频水印以及最低位编码 附实验报告-Matlab audio watermarking and image watermarking code Including the echo and quantitative methods Spread spectrum watermarking and lowest coding experiment report