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- When the chaos sequence, which is used to diffuse the pixels of the image, is generated, the iteration times are hidden to avoid cryptanalysis based on symbolic dynamic. 而在像素的扩散过程中,通过复合离散混沌系统隐藏了混沌序列产生时所经历的迭代次数。
- pseudo-random properties of chaos sequence 混沌码伪随机性
- Since the probability density function of chaotic sequence for Kent map is the uniform function on interval (0,1), the hybrid chaos optimization-BFGS algorithm is established on basis of Kent map. 之后,考虑到Kent映射混沌轨道点密度为均匀分布,建立了基于Kent映射的混沌-BFGS混合优化算法。
- This paper presents an algorithm of image digital watermarking in DCT domain based on chaotic sequence. 提出一种基于混沌序列的DCT域数字水印算法.
- Chaotic sequence is complex and recalcitrant to analysis and unpredictableness,and it can offer good complexity and comparable randomness. 混沌序列结构复杂，难以分析和预测，能提供很好的复杂性、类随机性。
- Firstly, we design a binary image watermarking signal and encrypted it by a chaotic sequence cipher before it is embedded. 将含有版权信息的二值图像作为水印，利用混沌密码对其进行加密，水印方案具有双重的安全性。
- First，the image watermarking signal was designed and encrypted by a chaotic sequence cipher，made it have the certain security. 该算法首先利用混沌序列对水印图像进行预处理加密，使水印嵌入方案具有一定的安全性。
- Analysis of binary system chaos sequence of planar tent map 平面帐篷映射二进制混沌序列分析
- Simulation results show that the extended chaotic sequence generated by using our method is pseudorandom and its correlation performance and balance performance are good. 实验结果表明，应用本文给出的方法生成的广义混沌序列具有较好的随机性、自相关性和平衡性。
- In this method, CDS-SSC, which combines Chaos Sequences(CS) of high rand quality with DS-SS excelling in resisting interferences, is used to realize the transmission of hydrologic data. 文中所述方法利用混沌直接扩频通信的通信方式来实现水文数据的传输，即将随机性能较强的混沌序列作为扩频码与抗干扰性较强的直接扩频通信相结合，应用于水文自动测报系统中去。
- The wintry weather has caused chaos on the roads. 因风雪交加,道路上混乱不堪。
- In video disk, a consecutive sequence of frames. 在视频光盘上，一种连续的帧序列。
- She made a sequence of dance movements. 她做了一个连续的舞蹈动作。
- In this paper, We make use of the good performance of the chaotic sequence as a method of confusing and the HVS visual masking, and present a algorithm of image watermark based on the technology of multistep information hiding. 本文利用混沌序列作为置乱序列的良好性能和人类视觉系统(HVS)的视觉掩盖特性提出了一种基于多级信息隐匿技术的图像数字水印算法。
- Put the mixed historical facts in sequence. 将混淆的历史事件按顺序排列。
- The synaptic ma-trix and initial conditions of chaotic neural networks are regarded as symmetric key.Every block of plain text is en-crypted by chaotic sequence generated by neural networks. 利用混沌神经元的联结矩阵和初始条件作为密钥,使神经网络产生的难以预测的混沌序列来实现非线性数字序列加密运算。
- Harmony and order as distinct from chaos. 合一与浑沌区别的协调与有序
- Based on the strong learning ability and nonlinear function approximation capacity of Multi-Layer Perceptrons (MLPs), a generating chaotic sequence model is proposed in this paper. 应用具有全局最优的进化规划算法建立产生混沌序列的优化神经网络模型。
- We will deal with events in historical sequence. 我们将按照历史上的先后顺序研究这些事件。
- Farmers met with a sequence of bad harvests. 农民们遇到了接二连三的坏收成。
