C++

 参考:如何使用Opencv在C ++中获取特定行和列的像素值https://www.it1352.com/1134483.htmlhttps://www.it1352.com/1134483.html

#include
#include

using namespace std;
using namespace cv;

Mat src, gray, dst;
int main(int argc, char** argv)
{
    src = imread("test.jpg");
    if (src.empty())
    {
        printf("could not find image");
        return -1;
    }
    namedWindow("input");
    imshow("input", src);

    Vec3b intensity = src.at(150, 1800);//前面是Y坐标后面是X坐标就离谱

    uchar blue = intensity.val[0];
    printf("B: %dn", blue);

    uchar green = intensity.val[1];
    printf("G: %dn", green);

    uchar red = intensity.val[2];
    printf("R: %dn", red);

    waitKey(0);
    return 0;
}