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用于图像认证的半脆弱性数字水印研究 被引量:2

用于图像认证的半脆弱性数字水印研究
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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。 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.[
出处 《电视技术》 北大核心 2003年第11期88-91,共4页 Video Engineering
基金 国家自然科学基金资助课题(69975015)
关键词 图像认证 脆弱性数字水印 半脆弱性数字水印 空间域 变换域 image authentication fragile watermarking Semi-fragile watermarking
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