索引超出矩阵维度 %strcat函数 拼接两个字符串形成路径

加断点看一下files结构体数组的维度，从报错山来看，files的维度应该小于761，所以files(761)的时候会报错。

1

clear 
close all
clc


% -----------------------  frame size variables -----------------------
%framedata = imread('./pic/b00001.bmp');            % read in 1st frame as background frame
framedata = imread('E:\data\dataset\dynamicBackground\fall\input\in000001.jpg z');
fr_gray = rgb2gray(framedata);                     % convert background to greyscale
fr_gray = double(fr_gray);
fr_size = size(fr_gray);             
width = fr_size(2);
height = fr_size(1);
fg = zeros(height, width);
bg_bw = zeros(height, width);              % background mask

% --------------------- initialize variables -------------------------------------
ClassNum = 4;                           % class number
Tpthresh = 0.64;                         % threshhold of milarity of the histogram  
Tbthresh = 0.4;                         % threshhold of background chek
Radcomp  = 6;                           % radius for LBP computing
Neighbours = 8;                         % Samples for LBP computing
HistRad  = 5;                           % radius for local histogram compute
Alpha = 0.001;                           % learning rate
Mapping = getmapping(Neighbours/2,'ri2');  % getting a mapping for LBP codes in a neighbourhood of SAMPLES sampling points.
bins = (max(max(Mapping))+1);              % number of histogram bins

BackgroundModel = zeros(height,width,ClassNum,2*bins);          % creating background model
BackgroundModelPara = ones(height,width,ClassNum)/ClassNum;     % creating parameter matrix %初始化权值
LBPCodeImage = zeros(height,width);
LBPCodeImageMag = zeros(height, width);
LocalLBPHistImage = zeros(height, width, 2*bins);
LocalLBPHistImageMag = zeros(height, width, bins);

%------------------------ inilization ------------------------------------
[LBPCodeImage, LBPCodeImageMag] = lbpcompute(fr_gray, Radcomp, Neighbours);            % computing the lbp code image
LocalLBPHistImage = LocalLBPHist(LBPCodeImage, LBPCodeImageMag, HistRad, Mapping);     % computing the local histogram

for i=1:height                                              % initilization the background with first frame
    for j=1:width
        for k=1:ClassNum
            BackgroundModel(i, j, k, :) = LocalLBPHistImage(i,j,:);
        end
    end
end

%--------------------- process frames -----------------------------------
LBPCodeImageTemp = zeros(height,width);
LBPCodeImageTempMag = zeros(height,width);
LocalLBPTemp = zeros(height,width,2*bins);
LocalLBPTempMag = zeros(height,width, bins);



SamplePath1 =  'E:\data\dataset\dataset\dynamicBackground\fall\input\';  %存储图像的路径
fileExt = '*.jpg';  %待读取图像的后缀名
files = dir(fullfile(SamplePath1,fileExt)); %fullfiE: 利用文件各部分信息创建 合成完整文件名，主要用于路径的拼接。
%dir函数  读取一个文件夹下的所有的文件，并存储到一个结构体中。在结构体中存储了该文件夹下所有的文件的名字以及文件的创建日期
len1 = size(files,1);
%遍历路径下每一幅图像




%for numberframe = 2:632
for p = 761: 761%len1
    fileName = strcat(SamplePath1,files(p).name);  %strcat函数 拼接两个字符串形成路径

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