基于混沌的视频信息隐藏算法，利用混沌序列的类随机性对嵌入信息进行置乱，以提高保密性。
The video information hiding algorithm based on chaos USES the analogy randomicity of chaos sequence to disturb the hiding information, which improves the secrecy.
提出一种基于数位置乱的加密体制，该方案中首先采用置乱算法将明文信息的奇数位提取出来组成一个新的信息；
An encryption algorithm based on data-scrambling is presented. Firstly, we extract odd number bits of the important information to form a new information.
数字图像置乱利用一种可逆的变换将原始图象变换成一个杂乱无章的新图像，它通常作为图像信息安全与隐藏的基础性工作。
As the basic means for hiding huge image information, the scrambling of digital image makes the old image to a new disorderly image with a reversible transform.
引入一种新的基于地址错位的随机发生器算法，对所嵌入信息进行置乱。
Firstly a new pseudo-random generator is introduced based on the dislocation of sorting, and the embedded information is scrambled.
使用混沌映射将二进制商标的像素在空间区域中进行随机置乱，然后将置乱的信息分块嵌入在图像的DCT变换系数中。
The chaotic mapping enables the logo pixels rearrange randomly in the specified spatial domain, and the mixed bits of the logo were embedded in the image DCT coefficients.
本论文在信息隐藏方面的主要工作就是围绕这两种应用展开的，内容涉及图像置乱、图像信息隐藏和隐藏分析和攻击技术等方面。
In this dissertation, we study the technologies and application of these two situations, our attentions focused on image scramble, image hiding, hiding analysis and attack.
灰度置乱效果的研究在信息隐藏领域中有重要意义。
Research of grayscale scrambling effect in the field of information hiding has important significance.
首先将水印信息进行PDF417编码，并在密钥控制下进行混沌序列置乱后得到二值水印图像；
Firstly, it can be obtained 2-value watermark image by PDF417 coding to watermark information and chaotic sequence scrambling.
提出了一种新的MD A置乱信息加密方法。
A new method based on disorder information secret-code is proposed in this paper.
以往的基于子采样的信息隐藏算法无法抵抗置乱攻击，本文提出了一个改进算法，实验表明该算法能有效抵抗置乱攻击。
The traditional subsampling based information hiding algorithm can not resist the permutation attack. In this paper, an improved algorithm is proposed to resist the permutation attack.
本文将二维置乱应用于大容量信息隐藏。
This paper implies 2d-shuffling to high capacity information hiding.
本文将二维置乱应用于大容量信息隐藏。
This paper implies 2d-shuffling to high capacity information hiding.
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