/** 
* @file LFColorSande.h
* @brief interface to ColorSande implementation
* @author Erik Rodner
* @date 11/19/2007

*/
#ifndef LFColorSandeINCLUDE
#define LFColorSandeINCLUDE

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

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

namespace OBJREC {

/** interface to ColorSande implementation */
class LFColorSande : public LocalFeatureRepresentation
{

    protected:
		std::string c_binaryExecutable;
		std::string c_params;
		double c_minScale;
		
		//! size of the descriptor
		int descriptor_size;
		
		//! use grid for SIFT Positions
		bool usegrid;
	
		//! size of the grid
		std::string gridsize;
	
		//! used scales
		std::string scales;
		
    public:
  
		/** simple constructor */
		LFColorSande( const NICE::Config *conf, std::string section = "LFColorSande" );
		  
		/** simple destructor */
		virtual ~LFColorSande();
		
		int getDescSize () const;
		
		/**
		 * get the colorSIFT features
		 * @param img grayvalue input image
		 * @param features features (output)
		 * @param positions position of the features
		 * @return 
		 */
		int extractFeatures ( const NICE::Image & img, NICE::VVector & features, 
					  NICE::VVector & positions ) const;
		
		/**
		 * get the colorSIFT features
		 * @param img color input image
		 * @param features features (output)
		 * @param positions position of the features
		 * @return 
		 */
		int extractFeatures ( const NICE::ColorImage & img, NICE::VVector & features, 
					  NICE::VVector & positions ) const;
		 
};


} // namespace

#endif