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基于帧重构的视频隐写检测 被引量:2

Video steganalysis algorithm based on frame restructure
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摘要 基于已知图像条件下的最大后验概率进行高质量视频重构,利用共谋攻击的思想去除视频中的隐藏信息,计算帧差对可疑视频进行检测;最后与线性共谋攻击检测算法进行对比,实验结果表明该隐写检测算法性能得到了进一步提高。 This paper used the collusion theory to delete the secret message of the suspicious frame, then used MAP to restructure the frame and extract the difference of two frame. At last put the difference into KNN to judge the video embedded message whether or not. The experimental result shows this method has better performance then collusion method.
出处 《计算机应用研究》 CSCD 北大核心 2009年第8期3022-3023,3027,共3页 Application Research of Computers
基金 国家"863"计划资助项目(4241312)
关键词 重构 共谋攻击 隐写检测 模式识别 restructure collusion steganalysis pattern recognisc
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