#if !defined(___HV_CAMSHIFT_INCLUDED__)#define ___HV_CAMSHIFT_INCLUDED__#include <cv.h>#include <cvaux.h>#include "Rect.h"#include "ProbDistrProvider.h"class CamShift {public:  CamShift();public:  void Initialize(int width, int height);  void PrepareTracking(IplImage* image, const ProbDistrProvider* pProbProv, const CRect& area);  void Track(IplImage* image);  void DrawOverlay(IplImage* image, int overlay_level) const;  void GetArea(CRect& area) const;protected:  void DoHSV(IplImage* image, bool initialize);  void DoExternal(IplImage* image);  void CheckBackProject(IplImage* image, int view) const;  void DrawCross(IplImage* image) const;protected:  bool                      m_tracking;  int                       m_img_width, m_img_height;  // for external probability image  const ProbDistrProvider*  m_pProbProv;  IplImage*                 m_prob_map;  CvBox2D                   m_box;  CvConnectedComp           m_comp;  // for internal probability map based on HSV histogram  CvCamShiftTracker         m_cCamShift;  CvRect                    m_object;  // HSV histogram parameters  int                       m_Smin, m_Vmin, m_Vmax;  int                       m_threshold;  int                       m_bins;};#endif // ___HV_CAMSHIFT_INCLUDED__