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43 // ////////////////////////////////////////////////////////////////////////////
46 // This file contains the class for Blob Tracker Objects
48 // ////////////////////////////////////////////////////////////////////////////
50 #ifndef BLOBTRKOBJECT_H
51 #define BLOBTRKOBJECT_H
53 //--------------------
55 //--------------------
57 // What percentage of algorithm state and location confidences is based on hysteresis (HISTORY)
58 // what percentage on the current frame information (PIXEL)
59 const double LOCATION_HISTORY_PERC = 0.50;
60 const double LOCATION_PIXEL_PERC = 0.50;
62 // Determines how much influence past states or locations have
63 // over confidence of current algorithm state and location
64 // (example: if 2, that means that for frame A,
65 // the state of frame A-1 has twice the influence of frame A-2 in algorithm state confidence
66 const double DECAY = 2.0;
68 // Distance from previous location that is without confidence penalty.
69 // Measured in pixels.
70 const double DISTANCE_FREE = 20.0;
72 // Used to determine Location Pixel Confidence, as in the equation:
73 // (total # of non-background pixels in centroid window)
74 // / (total # non-background pixels in frame + LOCATION_CONFIDENCE_WEIGHT)
75 const unsigned long LOCATION_CONFIDENCE_WEIGHT = 1;
77 // What numbers are considered 100% confidence for location confidence
78 const double LOCATION_100_PERCENT = 100.0;
80 // How many frames of historical data should be saved to determine confidence
81 const unsigned long HISTORY = 2;
82 //--------------------
86 class BlobTrackerObject
93 static CvPoint RectCenter(const CvRect &rect)
95 CvPoint p = { rect.x + rect.width/2, rect.y + rect.height/2 };
100 BlobTrackerObject(const CvRect &rect, unsigned long size)
104 m_Center(RectCenter(rect))
108 void SetId(int id) { m_id = id; };
111 int GetId() const { return m_id; };
112 CvPoint GetCenter() const { return m_Center; };
113 CvRect GetRect() const { return m_Rectangle; };
114 unsigned long GetSize() const { return m_Size; };
117 class BlobTrackerObjectList : public std::vector<BlobTrackerObject>
121 #endif // BLOBTRKOBJECT_H