KeyPoint.h

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/*******************************************************************************
 *  KeyPoint.h
 *
 *  (C) 2007 AG Aktives Sehen <agas@uni-koblenz.de>
 *           Universitaet Koblenz-Landau
 *
 *  Additional information:
 *  $Id: $
 *******************************************************************************/

#ifndef KeyPoint_H
#define KeyPoint_H

#include <vector>
#include "Workers/Math/Point2D.h"


class KeyPoint
{
  public:

    KeyPoint( float _x, float _y, float _scale, float _strength, int _sign, float _orientation, std::vector<double> _featureVector );
    KeyPoint( float _x, float _y, float _scale, float _strength, int _sign );
    KeyPoint( );

    ~KeyPoint();

    KeyPoint( const KeyPoint& other );

    KeyPoint& operator=( const KeyPoint& other );

    template< class T >
    void copyDescriptor( T* descriptor, int length );

    void addDescriptor( std::vector<double> descriptor );

    Point2D position() { return Point2D( x, y ); }

    double squaredDistance( const KeyPoint& other ) const;

    double squaredDistance( const KeyPoint& other, double max ) const;

    std::vector<Point2D> getCircle() const;

    std::vector<Point2D> getBoundingBox() const;

    std::vector<Point2D> getCenterArrow() const;

    // SERIALIZATION

    std::string toASCII();

    std::string toString();

    double calcIntersection( const KeyPoint& other );

    double calcOverlap( const KeyPoint& other );

    float x;
    float y;

    float scale;
    float strength;
    float orientation;
    int sign;

    std::vector<double> featureVector;
    std::vector<unsigned> vectorLimits;
};


template< class T >
void KeyPoint::copyDescriptor( T* descriptor, int length )
{
  featureVector.resize(length);
  for ( int i = 0; i<length; i++ )
  {
    featureVector[i] = descriptor[i];
  }

}



#endif