针对现有基于混沌序列的图像加密算法的缺陷，提出一种基于不放回抽样的图像混沌加密算法。
Aiming at defects which are exiting in image encryption algorithm based on chaotic sequences, this paper proposes an image chaotic encryption algorithm based on sampling without replacement.
文章基于混沌理论，从应用的角度出发，设计了一种混沌加密算法，并对该算法的性能进行了分析。
Based on chaos theory and starting from the Angle of application, this paper designs a chaotic encryption algorithm, and makes analysis on the natures of this algorithm.
接着，就混沌理论和混沌加密算法进行研究，对其中的部分算法进行了仿真，通过分析，寻找出现有混沌图像加密算法存在的一些不足。
Then, we study chaos theory and the algorithm, take a part of algorithm for simulation, find out the shortage of images encryption algorithm.
提出了混沌映射与矢量码书相结合的加密算法。
In this paper, an image encryption algorithm based on chaotic mapping and vector quantization is presented.
提出了一种基于四值混沌阵列的数字图像加密算法。
This paper presents a digital image encryption algorithm based on four-value chaotic array.
利用混沌影射的方法设计了一种多随机性的文件加密算法。
A multiple random file encryption algorithm is presented based on the Logistic chaos method.
提出了一种新的基于混沌映射与排序变换的图像加密算法。
Proposed a new algorithm of images scrambling based on the chaotic mapping and sort transformation.
将基于混沌的加密算法应用到数字图像加密中。
Then an encryption algorithm based on chaos has been proposed and a file-encryption system is developed.
提出了一种基于复合离散混沌系统的对称图像加密算法。
In this paper, a symmetric image encryption scheme based on composite discrete chaotic system is presented.
人工神经网络具有实现快速并行运算又有混沌动力学复杂行为时，它将是用来设计一种加密算法的最佳选择。
When neural network with fast parallel computing and complex behavior of chaotic dynamics, it is one of the best choice for designing encryption algorithm.
本文主要论述了基于混沌的数据加密算法的设计及其FPGA实现过程。
The data encryption algorithm based on chaos and its FPGA implement are mainly discussed in this dissertation.
混沌密码算法是一种快速加密算法，在安全性要求较高的领域中，有着非常广阔的应用前景。
As a fast encryption algorithm, the chaotic cryptographic method has quite wide applications in the field of security.
讨论了一种以实数值混沌序列为基础，利用加密模板矩阵和排序变换，给出一种灰度图像的加密算法。
In this paper, a gray image encryption arithmetic based on chaotic sequences is proposed by taking advantage of the encryption template matrix and sort transformation.
提出了一种基于混沌理论和循环移位的图像加密算法。
A kind of image encryption algorithm is presented based on chaos theory and cycle shift.
本文设计了一种基于混沌理论和单表置换加密方法的一维混沌表加密算法。
This paper discusses and curry out an encryption algorithm based on one-dimensional chaotic map, which have good security and practicability.
针对现有流媒体加密算法在安全性、通用性和实用性方面存在的缺陷，提出一种全新的基于混沌参数可变序列的流加密算法。
Aiming at the current faults of algorithm for video encryption which existed in security, compatibility and practicality, it was proposed a chaos based algorithm for video encryption.
考虑到图像数据量大的特点，传统加密算法无法满足系统要求，我们提出了一种基于混沌序列的图像加密算法。
Considering the characteristic of huge image data, traditional encryption algorithm can't satisfy system's demand, so we bring forward a image encryption algorithm based on chaotic sequences.
为了增强水印信号的安全性，采用了基于混沌和位平面的水印加密算法。
In order to enhancing the security of the watermark, we employ an encryption technology based on chaos and bit plan.
研究了一类具有良好隐蔽性的一元三次离散动力系统的混沌序列产生情况，提出了混沌序列的异或和置乱加密算法。
The chaos sequence procedure of a kind of discrete dynamic system with good concealing feature is studied, and two algorithms about chaos sequence are provided.
加密技术是保障数据安全的最主要的手段，结合矢量地图数据的特点，设计了一种基于混沌序列的数据加密算法。
Data encryption is a main means to keep data in safety. Concerning the characteristics of vector map data, the paper presents an encryption algorithm based on chaotic sequence.
在此基础上，利用混沌图像的混沌特性，提出了一种实用的图像加密算法。
And based on those, a practical image encryption algorithm was put forward according to the characteristics of chaotic images.
提出一种基于混沌迭代的加密算法，这种加密算法根据混沌迭代确定的位置将明文填入一个较大的密文空间。
The plain text is filled into a larger cipher text space according to the position determined by the chaotic iteration.
混沌映射所具有的初值敏感性和随机性，使得基于混沌理论的图像加密算法成为一个研究热点。
The initial sensitivity and randomness of the chaotic map make the image encryption algorithm based on chaotic theory become a hot researching field recently.
基于级联空间混沌系统的选择图像加密算法是在将上述算法结合选择图像加密后提出的。
We combine the above algorithm with selective image encryption and propose a selective image encryption based on couple chaotic systems.
基于级联空间混沌系统的选择图像加密算法是在将上述算法结合选择图像加密后提出的。
We combine the above algorithm with selective image encryption and propose a selective image encryption based on couple chaotic systems.
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