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- 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。
- 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 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。
- 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。
- 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。
- The algorithm in the proposed program can mask the image data and permute pixels location by chaotic sequences. 算法程序首次采用了图像数据的混沌掩盖加密和图像象素位置的置乱加密相结合的方法,对图像进行了两次复合的混沌加密。
- The algorithm in the proposed program can mask the image data and permute pixel's location by chaotic sequences. 算法程序首次采用了图像数据的混沌掩盖加密和图像象素位置的置乱加密相结合的方法，对图像进行了两次复合的混沌加密。
- Chaotic sequence generator based on digital filter 基于数字滤波器的混沌序列发生器
- mixed-optical bistable chaotic sequence 混合光学双稳混沌序列
- In this paper, three kinds of FH sequences, m sequences, RS sequences and chaotic sequences, have been simulated and compared in their properties. 本文对FH通信系统中的三种跳频序列:m序列;RS序列及混沌序列分别进行了仿真;并且从纵向和 横向上定量地比较了它们的性能.
- Matching matrixes were structured with wavelet zerotree structure, and used to load multiple binary watermarks scrambled by chaotic sequences. 该算法利用小波零树结构构造匹配矩阵，然后用其加载已由混沌空域置乱的多重二值图像水印。
- In the paper,to decrease the computational time,an optimization algorithm is proposed by combining chaotic sequences with Bayesian optimization algorithm (BOA). 为了减少贝叶斯优化算法的计算量,该文提出了一种混沌贝叶斯优化算法。
- With this algorithm, the multi-signature watermarks are mixed with the chaotic sequences and spread over the different wavelet domains of RGB color spaces of the image. 算法先将不同强度的签名水印扩频到彩色图像不同色块的小波域,然后进行逆小波变换生成水印图像。
- The chaotic sequences generated by spatiotemporal chaotic system model based on two dimensional coupled map lattice (CML) have good pseudorandom property. 基于二维耦合映象格子(CML)的时空混沌系统模型产生的混沌序列具有良好的伪随机特性。
- 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。
- 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。
