kalman

图像加密，使用量logistic混沌映射对图像进行了加密和解密，可以直接运行(Image encryption, usage logistic chaotic map for image encryption and decryption, you can directly run)

The code summerize how to calculate the jitter (RMS) with the incoming signals, such as optical communications and clock and date recovery circuit

说明：  球面天文学（岁差、章动）和天体力学（行星星历表）的原始计算公式、算法和程序。matlab编译通过。主要包括：公历/儒略历转换为儒略日，儒略日转换为公历/儒略历，球坐标转换为直角坐标，直角坐标转换为球坐标等38个matlab源代码。压缩文件中有说明。(Spherical Astronomy (precession, nutation) and celestial mechanics (line stars ephemeris) of the original formula, algorithms and procedures. matlab compiler through. Mainly include: Gregorian/Julian calendar converted to Julian day, Julian date is converted to the Gregorian calendar/Julian calendar, the ball coordinates converted to rectangular coordinates, rectangular coordinates is converted to spherical coordinates, such as 38 matlab source code. Compressed file is described.)

说明：  FDTD，计算二维光子晶体，能量变化，速度非常快(FDTD, calculated two-dimensional photonic crystal, the energy changes very fast)

地震数据读取程序，matlab编写，可以实现seg2格式的读取(to read Seismic data of seg2 format ，Matlab。)

在遗传算法的基础上，提出了改进，即混合遗传算法。(Based on the genetic algorithm, proposed the improvement, i.e., hybrid genetic algorithm.)

Region filling and object removal by exempler based image inpainting

采用加权网络中节点强度和权重都是幂率分布的模型，分析了该信号的时域、频域、倒谱，循环谱等,粒子图像分割及匹配均为自行编制的子例程。( Using weighted model nodes in the network strength and weight are power law distribution, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Particle image segmentation and matching subroutines themselves are prepared.)

说明：  利用理论推导的方法，该matlab程序得出涡旋光束经相位全息光栅接收后一阶衍射光束的解析表达式。(By using the method of theoretical derivation, the analytical expression of the first-order diffraction beam of vortex beam received by phase holographic grating is obtained by MATLAB program.)

本程序计算局部窗口的累积直方图，可用于驱动水平集和纹理分割( in this test program, we calculate the cumulative histogram in a local window centered at each pixel,this local cumulative histogram can be used to drive the level set for image and texture segmentation. Author: Associate Prof. Yuanquan Wang, Affiliation: Tianjin Key Lab of Intelligent Computing and Novel Software Technology, School of Computer Science, Tianjin University of Technology, Tianjin 300191, China 01/20/2008 Reference: 1. Tony Chan, Selim Esedoglu, and Kangyu Ni, Histogram Based Segmentation Using Wasserstein Distances, SSVM 2007, LNCS 4485, pp. 697–708, 2007. 2. Kangyu Ni, Xavier Bresson, Tony Chan, Selim Esedog, Local Histogram based Segmentation using the Wasserstein Distance, at: www.math.lsa.umich.edu/~esedoglu/Papers_Preprints/chan_esedoglu_ni.pdf or at :ftp://ftp.math.ucla.edu/pub/camreport/cam08-47.pdf )