#include <opencv2/opencv.hpp>

 #include <iostream>

 #include "math.h"

 using namespace cv;

 using namespace std;

 int main(int argc, char** argv) {

     Mat src = imread("test.jpg",);

     if (src.empty()) {

         printf("could not load image...\n");

         return -;

     }

     imshow("input image", src);

     //计算积分图

     Mat sumii = Mat::zeros(src.rows+,src.cols+,CV_32FC1);//CV_32FC1防止溢出

     Mat sqsumii = Mat::zeros(src.rows + , src.cols + , CV_32FC1);//CV_32FC1防止溢出

     integral(src,sumii,sqsumii);

     normalize(sumii, sumii,,,NORM_MINMAX,CV_8UC1,Mat());

     imshow("integral image", sumii);

     waitKey();

     return ;

 }