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#include <opencv2/core/utility.hpp>
#include <opencv2/tracking.hpp>
#include <opencv2/videoio.hpp>
#include <opencv2/highgui.hpp>
#include <iostream>
#include <cstring>
#include <fstream>
#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_csrt <video_name>\n"
" examples:\n"
" example_tracking_csrt Bolt/img/%04.jpg\n"
" example_tracking_csrt Bolt/img/%04.jpg Bolt/grouondtruth.txt\n"
" example_tracking_csrt faceocc2.webm\n"
<< endl;
return 0;
}
// create the tracker
Ptr<TrackerCSRT> tracker = TrackerCSRT::create();
// const char* param_file_path = "/home/amuhic/Workspace/3_dip/params.yml";
// FileStorage fs(params_file_path, FileStorage::WRITE);
// tracker->write(fs);
// FileStorage fs(param_file_path, FileStorage::READ);
// tracker->read( fs.root());
// set input video
std::string video = argv[1];
VideoCapture cap(video);
// and read first frame
Mat frame;
cap >> frame;
// target bounding box
Rect roi;
if (argc > 2) {
// read first line of ground-truth file
std::string groundtruthPath = argv[2];
std::ifstream gtIfstream(groundtruthPath.c_str());
std::string gtLine;
getline(gtIfstream, gtLine);
gtIfstream.close();
// parse the line by elements
std::stringstream gtStream(gtLine);
std::string element;
std::vector<int> elements;
while (std::getline(gtStream, element, ','))
{
elements.push_back(cvRound(std::atof(element.c_str())));
}
if (elements.size() == 4) {
// ground-truth is rectangle
roi = cv::Rect(elements[0], elements[1], elements[2], elements[3]);
}
else if (elements.size() == 8) {
// ground-truth is polygon
int xMin = cvRound(min(elements[0], min(elements[2], min(elements[4], elements[6]))));
int yMin = cvRound(min(elements[1], min(elements[3], min(elements[5], elements[7]))));
int xMax = cvRound(max(elements[0], max(elements[2], max(elements[4], elements[6]))));
int yMax = cvRound(max(elements[1], max(elements[3], max(elements[5], elements[7]))));
roi = cv::Rect(xMin, yMin, xMax - xMin, yMax - yMin);
// create mask from polygon and set it to the tracker
cv::Rect aaRect = cv::Rect(xMin, yMin, xMax - xMin, yMax - yMin);
cout << aaRect.size() << endl;
Mat mask = Mat::zeros(aaRect.size(), CV_8UC1);
const int n = 4;
std::vector<cv::Point> poly_points(n);
//Translate x and y to rects start position
int sx = aaRect.x;
int sy = aaRect.y;
for (int i = 0; i < n; ++i) {
poly_points[i] = Point(elements[2 * i] - sx, elements[2 * i + 1] - sy);
}
cv::fillConvexPoly(mask, poly_points, Scalar(1.0), 8);
mask.convertTo(mask, CV_32FC1);
tracker->setInitialMask(mask);
}
else {
std::cout << "Number of ground-truth elements is not 4 or 8." << std::endl;
}
}
else {
// second argument is not given - user selects target
roi = selectROI("tracker", frame, true, false);
}
//quit if ROI was not selected
if (roi.width == 0 || roi.height == 0)
return 0;
// initialize the tracker
int64 t1 = cv::getTickCount();
tracker->init(frame, roi);
int64 t2 = cv::getTickCount();
int64 tick_counter = t2 - t1;
// do the tracking
printf("Start the tracking process, press ESC to quit.\n");
int frame_idx = 1;
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
t1 = cv::getTickCount();
bool isfound = tracker->update(frame, roi);
t2 = cv::getTickCount();
tick_counter += t2 - t1;
frame_idx++;
if (!isfound) {
cout << "The target has been lost...\n";
waitKey(0);
return 0;
}
// draw the tracked object and show the image
rectangle(frame, roi, Scalar(255, 0, 0), 2, 1);
imshow("tracker", frame);
//quit on ESC button
if (waitKey(1) == 27)break;
}
cout << "Elapsed sec: " << static_cast<double>(tick_counter) / cv::getTickFrequency() << endl;
cout << "FPS: " << ((double)(frame_idx)) / (static_cast<double>(tick_counter) / cv::getTickFrequency()) << endl;
}
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