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7下载:
计算两组信号互信息熵值的算法,采用matlab编程,可直接调用函数-Two sets of signals calculated values of mutual information method, using matlab programming, call the function directly
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互信息法求混沌序列的最优时延
文件说明:
1、Mutual_Information_main.m 主文件,直接运行此程序即可
2、LorenzData.dll 产生Lorenz离散序列
3、Mutual_Information.dll 互信息函数
4、buffer.dll 缓存文件-Mutual information method for optimal time-delay chaotic sequence document describes: 1,
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matlab 互信息理论主要函数的工具包,包括互信息,熵的计算公式等程序-the main function of mutual information theory matlab toolkit, including the mutual information, entropy calculation
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平均互信息函数,计算两个时间序列的互信息量,修改-The average mutual information function to calculate the mutual information of two time series, modified
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平均互信息是信源概率的上凸函数,是信道概率的下凸函数,该软件展示他们平面图与三维可视图.直观.-The average mutual information source probability convex function, convex function of the probability of channel, the software shows they plan and 3D view. Intuitive.
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A function to estimate the mutual information (MI) between pairs of features and target classes. A histogram approach is used in this implementation. This function can be used in feature selection.
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A blind source separation algorithm is proposed
that is based on minimizing Renyi’s mutual information by means
of nonparametric probability density function (PDF) estimation.
The two-stqge process consists of spatial whitening
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平均互信息函数法:平均互信息函数法的基本思想是:选取互信息函数第一次达到局部极小值时的时间作为最佳延迟时间。-AMI Average mutual information function
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NOTE1: When user do not have any information about tau, she should let
tau equal to zero(0). In this case the code will use autocorrelation up
to orders 10 to select proper embedding lag(tau). The proper lag is the
lag before of first dec
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Function for registering image 1 and image 2 using Mutual Information
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双变量尾函数互信息的计算求解。通过双变量尾函数例化序列,计算互信息。-Tail function mutual information calculation.
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某信道,
输入为M元逻辑符号x:s0、s1、……sM-1
输出y为实数值
信道中发生如下事件:
a=f(x)到实数的一一映射,当x=si时,a=iA,A为一给定的正实数
y=a+n,n为一服从N(0,s2)分布的独立随机变量(与x独立,且每次信道实现时的n均独立)
写出信道转移概率
若输入信道的各符号等概出现,求该信道的互信息量I(X Y)
画出不同信噪比下的互信息量变化的曲线,以M为参数,画一簇曲线(其中加上一条AWGN信道容量曲线作对比)
调整函数a
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快速扩展随机生成树算法,包括脚本文件和函数文件形式,计算互信息非常有用的一组程序。- Rapid expansion of random spanning tree algorithm, Including scr ipt files and function files in the form, Mutual information is useful to calculate a set of procedures.
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包括脚本文件和函数文件形式,计算互信息非常有用的一组程序,多姿态,多角度,有不同光照。- Including scr ipt files and function files in the form, Mutual information is useful to calculate a set of procedures, Much posture, multi-angle, have different light.
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该函数用来计算任意函数的一阶偏导数(数值方法),可以动态调节运行环境的参数,计算互信息非常有用的一组程序。- This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Can dynamically adjust the parameters of the operating environment, Mutual inf
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计算互信息非常有用的一组程序,该函数用来计算任意函数的一阶偏导数(数值方法),一种流形学习算法(很好用)。- Mutual information is useful to calculate a set of procedures, This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), A fluid manifol
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包括广义互相关函数GCC时延估计,小波包分析提取振动信号中的特征频率,计算互信息非常有用的一组程序。- Including the generalized cross-correlation function GCC time delay estimation, Wavelet packet analysis to extract vibration signal characteristic frequency, Mutual information is useful to calculat
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自写曲率计算函数 ,解耦,恢复原信号,计算互信息非常有用的一组程序。- Since writing the curvature calculation function, Decoupling, restore the original signal, Mutual information is useful to calculate a set of procedures.
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计算互信息非常有用的一组程序,窗函数法设计一个数字带通FIR滤波器,关于神经网络控制。- Mutual information is useful to calculate a set of procedures, A window function design FIR digital band-pass filter, On neural network control.
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matlab版本的标准互信息函数,用于聚类指标的计算,可直接使用(normalized mutual information function for clusering performance evaluation (MATLAB version))
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