new

// Standard include files
#include <opencv2/opencv.hpp>
#include <opencv2/tracking.hpp>
#include "opencv2/imgcodecs.hpp"

using namespace cv;
using namespace std;

int main(int argc, char **argv)
{
    // Set up tracker.
    // Instead of MIL, you can also use
    // BOOSTING, KCF, TLD, MEDIANFLOW or GOTURN
    Ptr<Tracker> tracker = Tracker::create(const String& TrackerMIL );

    // Read video
    VideoCapture video("videos/chaplin.mp4");

    // Check video is open
    if(!video.isOpened())
    {
        cout << "Could not read video file" << endl;
        return 1;
    }

    // Read first frame.
    Mat frame;
    video.read(frame);

    // Define an initial bounding box
    Rect2d bbox(287, 23, 86, 320);

    // Uncomment the line below if you
    // want to choose the bounding box
    // bbox = selectROI(frame, false);

    // Initialize tracker with first frame and bounding box
    tracker->init(frame, bbox);

    while(video.read(frame))
    {
        // Update tracking results
        tracker->update(frame, bbox);

        // Draw bounding box
        rectangle(frame, bbox, Scalar( 255, 0, 0 ), 2, 1 );

        // Display result
        imshow("Tracking", frame);
        int k = waitKey(1);
        if(k == 27) break;

    }

    return 0;

}