# Demo entry 6441274

**m**

Submitted by **anonymous**
on May 27, 2017 at 03:10

Language: Matlab. Code size: 831 Bytes.

%} %% Definition of the number of components used in GMM. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% clear;clc; nbStates = 5 ; %% 加载关节角度数据集. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Data = importdata('data/gmm_gmr_out/joint.mat'); nbVar = size(Data,1);%返回矩阵的行数，即变量维度 nbCol = max(Data(1,:));%返回每组数据的列数 nbSample = length(find(Data(1,:)==nbCol));%获取训练组数 %% 用k-means聚类初始化GMM参数，用EM算法训练GMM模型， %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% [Priors, Mu, Sigma] = EM_init_kmeans(Data, nbStates); [Priors, Mu, Sigma] = EM(Data, Priors, Mu, Sigma); %% 存储GMM参数 for i=1:nbStates Sigma_temp(:,:,i) = Sigma(2:nbVar,2:nbVar,i); end Mu_temp =Mu; Mu_temp(1,:) = []; saveparam(nbVar, nbStates, Priors, Mu_temp, Sigma_temp);

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