opencv —— 线性混合操作 addWeighted()

#include<opencv.hpp>
using namespace cv;

int main() {
    
    Mat srcImage1, srcImage2, dstImage;
    int intAlpha = 50;//接收控制条数值

    //创建控制条
    namedWindow("Control", WINDOW_AUTOSIZE);
    createTrackbar("Alpha", "Control", &intAlpha, 100);

    double alpha, beat;
    srcImage1 = imread("C:/Users/齐明洋/Desktop/3.jpg");
    srcImage2 = imread("C:/Users/齐明洋/Desktop/4.jpg");

    while (true) {
        alpha = intAlpha / 100.0;//第一个数组权重
        beat = 1.0 - alpha;//第二个数组权重

        addWeighted(srcImage1, alpha, srcImage2, beat, 0.0, dstImage);
        imshow("合成图", dstImage);

        char Key = (char)waitKey(1);
        if (Key == 1)
            break;
    }
}