NICE_VisLearning/math/distances/HistIntersectDistance.h

/** 
* @file HistIntersectDistance.h
* @brief $\chi^2$ distance measure
* @author Erik Rodner
* @date 02/19/2008

*/
#ifndef HistIntersectDistanceINCLUDE
#define HistIntersectDistanceINCLUDE

#ifdef NOVISUAL
#include <vislearning/nice_nonvis.h>
#else
#include <vislearning/nice.h>
#endif
  
#include <core/vector/Distance.h>


namespace OBJREC {

/** \chi^2 distance measure */
class HistIntersectDistance : public NICE::VectorDistance<double>
{

    protected:
	double doCalculate (const NICE::Vector & x, const NICE::Vector & y) const;

    public:
  
	/** simple constructor */
	HistIntersectDistance();
      
	/** simple destructor */
	virtual ~HistIntersectDistance();
     
};


} // namespace

#endif