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/home/slang/XVision2/src/Segmentation/XVMotionSeg.h

// *** BEGIN_XVISION2_COPYRIGHT_NOTICE ***
// *** END_XVISION2_COPYRIGHT_NOTICE ***

#ifndef _XVMOTIONSEG_H_
#define _XVMOTIONSEG_H_

#include <XVSegmentation.h>

#define DEFAULT_THRESHOLD 50

inline bool THRESHOLD_CHECK(const u_char pix){ return pix < 100 ? true : false; }

template <class T>
class ThresholdTable : public ScalarTable<T, u_char>{

 protected:

  int thresh;
  
  virtual u_char computePixelValue(T pixel){ 
    return (u_char)(pixel > thresh ? pixel : 255);
  }

 public:

  ThresholdTable(int t = DEFAULT_THRESHOLD);
};

template <class T>
class XVMotionSeg : public XVSegmentation<T, u_char>{

 protected:
  
  XVImageScalar<T> prev;

  void init(const XVImageScalar<T>, int, ThresholdTable<T> * table = NULL);

 public:

  XVMotionSeg(int, int, int thresh = DEFAULT_THRESHOLD,
           ThresholdTable<T> * table = NULL);

  XVMotionSeg(const XVImageScalar<T>, 
           int thresh = DEFAULT_THRESHOLD, 
           ThresholdTable<T> * table = NULL);

  virtual void segment(const XVImageBase<T> &, XVImageScalar<u_char> &);
};

#endif

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