代碼如下：

#include <opencv2/core/core.hpp> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??
#include <opencv2/highgui/highgui.hpp>
#include <math.h>
#include <string.h>
#include <opencv/cv.h>
#include <stdio.h>
#include "opencv2/photo/photo.hpp"


using namespace cv;


char highpicName[20];
char normalpicName[20];
char lowpicName[20];
Mat mat1, mat2, mat3, dst_mat, tmp_mat;
int highWidth, highHeight;
int normalWidth, normalHeight;
int lowWidth, lowHeight;
IplImage src1, src2, src3, dst_src, tmp_src;
double weight = 0.5;




void hdrCale(Mat pic1, Mat pic2, Mat pic3){
int i, j;
CvScalar s1, s2, s3;




src1 = pic1;
src2 = pic2;
src3 = pic3;
dst_src = dst_mat;
tmp_src = tmp_mat;


cvCvtColor(&src2, &tmp_src, CV_BGR2GRAY);
for (i = 0; i< normalWidth; i++){
for (j = 0; j<normalHeight; j++){
s1 = cvGet2D(&src1, i, j);
s2 = cvGet2D(&tmp_src, i, j);
s3 = cvGet2D(&src3, i, j);
weight = 0.5 + (127 - s2.val[0]) * 0.002;
s3.val[0] = (s1.val[0] * weight) + (s3.val[0] * (1 - weight));
s3.val[1] = (s1.val[1] * weight) + (s3.val[1] * (1 - weight));
s3.val[2] = (s1.val[2] * weight) + (s3.val[2] * (1 - weight));
cvSet2D(&dst_src, i, j, s3);
}
}
}




int main(int argc, char *argv[]){
//if (argc < 4)
{
//printf("Please input high exposure/normal exposure/low exposure picture!\n");
//return -1;
}
//memcpy(highpicName, argv[1], sizeof(argv[1]));
//memcpy(normalpicName, argv[2], sizeof(argv[2]));
//memcpy(lowpicName, argv[3], sizeof(argv[3]));
mat1 = imread("1.jpg");
mat2 = imread("2.jpg");
mat3 = imread("3.jpg");
highWidth = mat1.rows;
highHeight = mat1.cols;
normalWidth = mat2.rows;
normalHeight = mat2.cols;
lowWidth = mat3.rows;
lowHeight = mat3.cols;
dst_mat = Mat(normalWidth, normalHeight, CV_8UC3, cv::Scalar(0, 0, 0));
tmp_mat = Mat(normalWidth, normalHeight, CV_8UC1, cv::Scalar(0, 0, 0));


hdrCale(mat1, mat2, mat3);


cv::imshow("normal", mat2);
cv::imshow("HDR", dst_mat);
cv::imwrite("HDR.jpg", dst_mat);
cv::waitKey(0);
return 0;
}

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