Files
VideoPipe/nodes/track/sort/KalmanTracker.h
2026-06-03 12:43:14 +08:00

72 lines
1.2 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// KalmanTracker.h: KalmanTracker Class Declaration
#ifndef KALMAN_H
#define KALMAN_H 2
#include "opencv2/video/tracking.hpp"
#include "opencv2/highgui/highgui.hpp"
using namespace std;
using namespace cv;
#define StateType Rect_<float>
// This class represents the internel state of individual tracked objects observed as bounding box.
class KalmanTracker
{
public:
KalmanTracker()
{
init_kf(StateType());
m_time_since_update = 0;
m_hits = 0;
m_hit_streak = 0;
m_age = 0;
m_id = kf_count;
//kf_count++;
}
KalmanTracker(StateType initRect)
{
init_kf(initRect);
m_time_since_update = 0;
m_hits = 0;
m_hit_streak = 0;
m_age = 0;
m_id = kf_count;
kf_count++;
}
~KalmanTracker()
{
m_history.clear();
}
StateType predict();
void update(StateType stateMat);
StateType get_state();
StateType get_rect_xysr(float cx, float cy, float s, float r);
static int kf_count;
int m_time_since_update;
int m_hits;
int m_hit_streak;
int m_age;
int m_id;
private:
void init_kf(StateType stateMat);
cv::KalmanFilter kf;
cv::Mat measurement;
std::vector<StateType> m_history;
};
#endif