NICE_VisLearning/features/localfeatures/LocalFeatureLFInterface.h

/** 
* @file LocalFeatureLFInterface.h
* @brief interface to LF
* @author Björn Fröhlich
* @date 09/07/2010

*/
#ifndef LocalFeatureLFInterfaceINCLUDE
#define LocalFeatureLFInterfaceINCLUDE

#include "core/vector/VectorT.h"
#include "core/vector/MatrixT.h"
#include "core/image/ImageT.h"

#include "core/basics/Config.h"
#include "LocalFeature.h"
#include "LocalFeatureRepresentation.h"


namespace OBJREC {

/** local feature with LF */
class LocalFeatureLFInterface : public LocalFeature
{

    protected:
		LocalFeatureRepresentation *lfpres;

    public:
  
	/** simple constructor */
		LocalFeatureLFInterface ( const NICE::Config *conf, LocalFeatureRepresentation *_lfpres );
      
	/** simple destructor */

	virtual ~LocalFeatureLFInterface();
	
	/**
	 * returns the size of each the SIFT-Feature
	 * @return 128
	 */
	int getDescSize() const { return lfpres->getDescSize(); };
	
	/** 
	 * get the descriptor
	 * @param img input image
	 * @param positions positions for the SIFT features
	 * @param descriptors output
	 * @return 0
	 */
	int getDescriptors ( const NICE::Image & img, NICE::VVector & positions, NICE::VVector & descriptors ) const;
	
	/** 
	 * get the descriptor
	 * @param img input color image
	 * @param positions positions for the SIFT features
	 * @param descriptors output
	 * @return 0
	 */
	int getDescriptors ( const NICE::ColorImage & img, NICE::VVector & positions, NICE::VVector & descriptors) const;
				     
	void visualizeFeatures ( NICE::Image & mark, const NICE::VVector & positions, size_t color ) const;

     
};


} // namespace

#endif