数字水印作为一种将特殊信息嵌入媒体数据的技术,近年来已成为国内外研究的热点并有着广泛的应用前景,通常数字水印被应用于数字图像\音频视频以及其他媒体产品上以进行版权保护和验证多媒体数据的完整性-Digital Watermarking as a special information technology embedded in media data, in recent years has become a hot research and has wide application prospect, usually digital watermarking has been applied to digital images audio video and other media products for copyright protection and verify the integrity of multimedia data