随着数字化多媒体信息的广泛应用，数字媒体的信息安全、版权认证问题日益突出。近年来，为有力打击盗版和保护数字产品的版权，数字水印技术在多媒体认证上的应用得到很大的推广。本代码用MATLAB进行水印的生成与提取。-With the extensive application of digital multimedia information, digital media, information security, copyright authentication issues have becom

Using weighted model nodes in the network strength and weight are power law distribution, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, Based on wavelet transform digital watermarking algorithm matlab code.