用于图像认证的半脆弱性数字水印研究

【摘要】 重点分析了半脆弱数字水印按空间域和变换域分类的各种算法,比较了它们的优缺点,总结了半脆弱水印有可能受到的攻击行为。最后提出了半脆弱数字水印技术研究需要解决的问题和发展方向。更多还原

【Abstract】 The emphasis is on the analysis of semi-fragile watermarking classified by the spatial and the transform domain,also their advantages and disadvantages are analyzed.In addition,common attacks applied to semi-fragile watermarking are summaried.Finally,some problems on semi-fragile watermarking techniques which remain to be solved are presented and the direction of the development is pointed out.[更多还原