#include <cstdio>
#include <opencv2/opencv.hpp>

using namespace cv;

int main(int argc, char **argv) {
    Mat image1, image2, dst;
    //    加载图片
    image1 = imread("../../picture/bg1.webp", 1);
    image2 = imread("../../picture/bg2.webp", 1);
    if (!image1.data and !image2.data) {
        printf("No image data \n");
        return -1;
    }
    namedWindow("image1", WINDOW_AUTOSIZE);
    imshow("image1", image1);
    namedWindow("image2", WINDOW_AUTOSIZE);
    imshow("image2", image2);
    float alpha = 0.5;
    if (image1.rows == image2.rows && image1.cols == image2.cols && image1.type() == image2.type()) {
        //  通过权重叠加两幅图
        //  addWeighted(image1, alpha, image2, 1 - alpha, 0.0, dst);
        // 直接叠加两幅图等价于addWeighted(image1, 1, image2, 1, 0.0, dst);
        add(image1, image2, dst);
    } else {
        printf("image1 size is not equal image2 size");
    }

    namedWindow("contrast image", WINDOW_AUTOSIZE);
    imshow("contrast image", dst);
    //    等待按键
    waitKey(0);
    return 0;
}

　opencv图像的混合操作_加载图片