// testopencv.cpp : 定义控制台应用程序的入口点。

 //

 #include "stdafx.h"

 #include <opencv2\opencv.hpp>

 #include <fstream>

 #include <vector>

 #include <string>

 using namespace std;

 using namespace cv;

 void getFileName(string & filename,vector<string> &vstr)

 {

     cout<<"begin read file name from "<< filename<<endl;

     string name;

     ifstream in(filename);

     while(!in.eof())

     {

         in>>name;

         vstr.push_back(name);

     }

     cout<<"end read filename , the total image number is "<< vstr.size()<<endl;

 }

 void writeIntegral(vector<string> &vstr,string& filename)

 {

     cout<<"begin calculate the image integral"<<endl;

     ofstream out(filename,ofstream::binary);

     int num = ;

     vector<string>::iterator begin = vstr.begin();

     for( ;begin != vstr.end(); begin++)

     {

         //第二个参数为0读进来的image都是灰度的

         Mat img = imread(*begin,);

         if(img.empty())

         {

             cout<<"read image "<<*begin<<" failed"<<endl;

             continue;

         }

         num++;

         Mat gray_img;

         CvMat sour_image=gray_img;

         CvMat *inte_image = cvCreateMat(gray_img.rows+,gray_img.cols+,CV_32F);

         cvIntegral(&sour_image,inte_image);

         float *f = inte_image->data.fl;

         out.write((char*)(f),inte_image->width*inte_image->height*sizeof(float));

     }

     out.close();

     cout<<"total image:"<<vstr.size()<<" cvIntegral number:"<<num<<endl;

 }

 int _tmain(int argc, _TCHAR* argv[])

 {

     vector<string> v;

     getFileName(string("face.txt"),v);

     writeIntegral(v,string("face.dat"));

     waitKey();

     return ;

 }