NICE_VisLearning/features/localfeatures/LocalFeatureRGBSift.h

/** 
* @file LocalFeatureRGBSift.h
* @brief local feature with color sift
* @author Björn Fröhlich
* @date 03/08/2010
*/

#ifndef LocalFeatureRGBSiftINCLUDE
#define LocalFeatureRGBSiftINCLUDE

#include <vislearning/nice.h>

#include "core/basics/Config.h"
#include "vislearning/features/localfeatures/LocalFeatureSift.h"


namespace OBJREC {

/** local feature with sift */
class LocalFeatureRGBSift : public LocalFeatureSift
{

    protected:
	int octaves;
	int levels;
	bool normalizeFeature;
	int first_octave;
	double magnif;

    public:
  
	/** simple constructor */
	LocalFeatureRGBSift ( const NICE::Config *conf );
      
	/** simple destructor */

	virtual ~LocalFeatureRGBSift();
	
	/**
	 * returns the size of each the SIFT-Feature
	 * @return 128
	 */
	int getDescSize() const { return 384; };
	
	/** 
	 * get the descriptor
	 * @param img input color image
	 * @param positions positions for the SIFT features
	 * @param descriptors output
	 * @return 0
	 */
	virtual int getDescriptors ( const NICE::ColorImage & cimg, 
			     NICE::VVector & positions,
			     NICE::VVector & descriptors ) const;     
};


} // namespace

#endif