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/*----------------------------------------------
* Usage:
* example_tracking_kcf <video_name>
*
* example:
* example_tracking_kcf Bolt/img/%04.jpg
* example_tracking_kcf faceocc2.webm
*--------------------------------------------------*/
#include <opencv2/core/utility.hpp>
#include <opencv2/tracking.hpp>
#include <opencv2/videoio.hpp>
#include <opencv2/highgui.hpp>
#include <iostream>
#include <cstring>
#include "samples_utility.hpp"
using namespace std;
using namespace cv;
int main( int argc, char** argv ){
// show help
if(argc<2){
cout<<
" Usage: example_tracking_kcf <video_name>\n"
" examples:\n"
" example_tracking_kcf Bolt/img/%04.jpg\n"
" example_tracking_kcf faceocc2.webm\n"
<< endl;
return 0;
}
// create the tracker
Ptr<Tracker> tracker = TrackerKCF::create();
// set input video
std::string video = argv[1];
VideoCapture cap(video);
Mat frame;
// get bounding box
cap >> frame;
Rect roi = selectROI("tracker", frame, true, false);
//quit if ROI was not selected
if(roi.width==0 || roi.height==0)
return 0;
// initialize the tracker
tracker->init(frame,roi);
// do the tracking
printf("Start the tracking process, press ESC to quit.\n");
for ( ;; ){
// get frame from the video
cap >> frame;
// stop the program if no more images
if(frame.rows==0 || frame.cols==0)
break;
// update the tracking result
bool isfound = tracker->update(frame,roi);
if(!isfound)
{
cout << "The target has been lost...\n";
waitKey(0);
return 0;
}
// draw the tracked object
rectangle( frame, roi, Scalar( 255, 0, 0 ), 2, 1 );
// show image with the tracked object
imshow("tracker",frame);
//quit on ESC button
if(waitKey(1)==27)break;
}
}
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