对于丢帧、帧重组以及共谋攻击有很强的鲁棒性。
The experimental results show that the embedded watermark is robust against the attacks such as frame drop, swap and collusion.
采用基于局部评价标准差、局部评价集中度的方法识别和抑制共谋攻击;
The standard deviation and concentration ratio of local evaluation was used to identify and control collusion attack.
但方案1不能够提供非对称性(防抵赖性),方案2不能够抵抗共谋攻击。
But the scheme 1 does not provide asymmetry (non-repudiation) and the scheme 2 does not resist collusion attack.
指出基于分块的图像认证方法存在的缺陷,以及共谋攻击得以成功的原因;
Pointing out the limitation of the image authentication algorithm based on dividing blocks and give the reason why collage attack can be successful.
一定条件下,多媒体拷贝内容能够有效跟踪非法用户并抗击共谋攻击是其应用的关键技术。
Under stringent constraints, it is crucial that fingerprinted multimedia copies can resistance collusion attacks in streaming applications.
该算法不仅对有损压缩,噪声攻击具有较好的鲁棒性,而且可以抵抗共谋攻击和多水印攻击。
The proposed algorithm has high robustness against noising, loss compression, and even collusion and multiple watermarking attacks.
此外,文中还分析了算法对JPEG压缩、图像增强、加入噪声及共谋攻击等操作的鲁棒性。
In addition, robustness of the scheme against JPEG lossy compression, image enhancement, noise addition and statistical averaging attacks among others are provided.
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。
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.
在数字媒体版权保护领域中,具有盗版追踪能力的数字指纹是解决共谋攻击问题的重要技术手段。
Digital fingerprinting, capable of tracing the distribution of pirated digital content, is an important technical means for solving collusion attacks in area of digital media copyright protection.
Mu等人提出了一个可撤销用户的付费电视方案,但其方案是私钥方案,并且没有提供多服务的功能,同时也不能抵抗共谋攻击。
Proposed a pay-TV scheme with user revocation, but it is a private-key scheme, also it does not provide multiple-service capability and meantime can not resist collusion attack.
目前,对抗共谋密钥攻击的叛徒追踪方案主要有对称追踪方案、非对称追踪方案、门限追踪方案;
At present, there are three kinds of traitor tracing schemes against collusion key attack, which are symmetrical traitor tracing schemes and dissymmetrical traitor tracing schemes;
他们成群攻击拒绝与他们共谋做坏事的人。
他们成群攻击拒绝与他们共谋做坏事的人。
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