int main()
{
    Mat src; Mat src_gray;
    src = imread("D:/2.jpg");
    cvtColor(src, src_gray, COLOR_BGR2GRAY);
    cv::blur(src_gray, src_gray, Size(1, 15));

    Canny(src_gray, src_gray, 100, 200, 3);
    /// Find contours
    vector<vector<Point> > contours;
    vector<Vec4i> hierarchy;
    RNG rng(12345);
    findContours(src_gray, contours, hierarchy, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, Point(0, 0));
    /// Draw contours
    Mat drawing = Mat::zeros(src_gray.size(), CV_8UC3);
    for (int i = 0; i < contours.size(); i++)
    {
        drawContours(drawing, contours, i, (255), 1, 8, hierarchy, 0, Point());
    }

    imshow("Result window", drawing);
    imwrite("D:/C_Backup_Folder/Ivan_codes/VideoStitcher/result/2_res.jpg", drawing);

    cv::waitKey();
    return 0;
}