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抵抗线性共谋攻击的空域自适应视频水印方案

刘丽 彭代渊 李晓举

刘丽, 彭代渊, 李晓举. 抵抗线性共谋攻击的空域自适应视频水印方案[J]. 西南交通大学学报, 2007, 20(4): 456-460.
引用本文: 刘丽, 彭代渊, 李晓举. 抵抗线性共谋攻击的空域自适应视频水印方案[J]. 西南交通大学学报, 2007, 20(4): 456-460.
LIU Li, PENG Daiyuan, LI Xiaoju. Adaptive Video Watermarking Scheme for Effective Resistance to Linear Collusion in Spatial Domain[J]. Journal of Southwest Jiaotong University, 2007, 20(4): 456-460.
Citation: LIU Li, PENG Daiyuan, LI Xiaoju. Adaptive Video Watermarking Scheme for Effective Resistance to Linear Collusion in Spatial Domain[J]. Journal of Southwest Jiaotong University, 2007, 20(4): 456-460.

抵抗线性共谋攻击的空域自适应视频水印方案

基金项目: 

国家自然科学基金资助项目(60572142)

河南省科技攻关项目(0624220058)

详细信息
    作者简介:

    刘丽(1978- ),女,讲师,博士研究生,研究方向为数字水印,E-mail:lliulli@163.com

Adaptive Video Watermarking Scheme for Effective Resistance to Linear Collusion in Spatial Domain

  • 摘要: 针对视频水印中存在的线性共谋攻击问题,建立了线性共谋攻击的数学模型,并根据建立的数学模型提出了抵抗线性共谋攻击的视频水印设计规则.基于该规则,提出了一种有效抵抗线性共谋攻击的视频水印方案.该方案从视频帧中自适应地选取一些互不重叠的8×8的块(子帧)作为嵌入区域,嵌入强度自适应于相应子帧的方差.实验表明,该算法在经过线性共谋、帧去除、帧插入、帧重组以及MPEG-2压缩等各种攻击后,水印提取的正确率仍可达到100%.

     

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出版历程
  • 收稿日期:  2006-08-08
  • 刊出日期:  2007-08-25

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