OpenCV——积分图计算

 #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 ;
 }