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#pragma once
#include "STrack.h"
#include "GlobalMotionCompensation.h"
struct Object {
cv::Rect_<float> rect; // object location
int label; // object identity
float prob;
};
class BYTETracker {
public:
BYTETracker(int frate = 30, int tbuffer = 30, float tthresh = 0.5, float mthresh = 0.8, bool use_gmc = false);
~BYTETracker();
vector <vector<float>> update(const vector <vector<float>> &objects, string img_path);
Scalar get_color(int idx);
private:
vector<STrack *> joint_stracks(vector<STrack *> &tlista, vector <STrack> &tlistb);
vector <STrack> joint_stracks(vector <STrack> &tlista, vector <STrack> &tlistb);
vector <STrack> sub_stracks(vector <STrack> &tlista, vector <STrack> &tlistb);
void remove_duplicate_stracks(vector <STrack> &resa, vector <STrack> &resb, vector <STrack> &stracksa,
vector <STrack> &stracksb);
void linear_assignment(vector <vector<float>> &cost_matrix, int cost_matrix_size, int cost_matrix_size_size,
float thresh,
vector <vector<int>> &matches, vector<int> &unmatched_a, vector<int> &unmatched_b);
vector <vector<float>>
iou_distance(vector<STrack *> &atracks, vector <STrack> &btracks, int &dist_size, int &dist_size_size, bool giou= false);
vector <vector<float>> iou_distance(vector <STrack> &atracks, vector <STrack> &btracks);
vector <vector<float>> ious(vector <vector<float>> &atlbrs, vector <vector<float>> &btlbrs);
vector <vector<float>> gious(vector <vector<float>> &atlbrs, vector <vector<float>> &btlbrs);
double lapjv(const vector <vector<float>> &cost, vector<int> &rowsol, vector<int> &colsol,
bool extend_cost = false, float cost_limit = LONG_MAX, bool return_cost = true);
private:
float track_thresh;
float high_thresh;
float match_thresh;
int frame_id;
int max_time_lost;
GlobalMotionCompensation _gmc_algo;
bool _gmc_enabled = false;
vector <STrack> tracked_stracks;
vector <STrack> lost_stracks;
vector <STrack> removed_stracks;
byte_kalman::KalmanFilter kalman_filter;
};