OpenCV C++ 图像叠加 （给图片加logo）

Posted 2021-09-26 挚望

原图

                        

 

 代码展示

#include <opencv2/opencv.hpp>
#include <iostream>
using namespace cv;
using namespace std;
int main() {
    Mat image = cv::imread("C:\\\\Users\\\\admin\\\\Desktop\\\\football.png");
    Mat logo = cv::imread("C:\\\\Users\\\\admin\\\\Desktop\\\\opencv_logo.png");
    Mat gray = cv::imread("C:\\\\Users\\\\admin\\\\Desktop\\\\opencv_logo.png", 0);
    Mat imageROI,mask;
    imageROI = image(Rect(0, 0, logo.cols, logo.rows));
    threshold(gray, mask, 10, 255, THRESH_BINARY);
    imshow("img2graybin", mask);
    logo.copyTo(imageROI, mask);
    imshow("result", image);
    waitKey();
    return 0;
}

 

效果展示

                二值化之后的图片

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