图像混合

#include <opencv2/opencv.hpp>
#include <iostream>
#include <math.h>
using namespace cv;
using namespace std;

int main()
{
    Mat src1,src2,dst;
    //原图
    src1 = imread(".//pic//kate.png",IMREAD_UNCHANGED);
    src2 = imread(".//pic//sword.png", IMREAD_UNCHANGED);
    if (src1.empty() || src2.empty())
    {
        cout << "can not load image" << endl;
        return -1;
    }
    double alpha = 0.6;

    if (src1.rows == src2.rows && src1.cols == src2.cols && src1.type() == src2.type())
    {
        addWeighted(src1, alpha, src2, (1 - alpha), 0.0, dst);

        namedWindow("input", CV_WINDOW_AUTOSIZE);
        imshow("src1", src1);
        imshow("src2", src2);
        imshow("混合", dst);
    }
    
    waitKey(0);
    return 0;
}