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

 */
#ifndef LocalFeatureOpponnentSiftINCLUDE
#define LocalFeatureOpponnentSiftINCLUDE

#include <vislearning/nice.h>

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


namespace OBJREC
{
	/** local feature with sift */

	class LocalFeatureOpponnentSift : public LocalFeatureRGBSift
	{

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

		public:

			/** simple constructor */
			LocalFeatureOpponnentSift(const NICE::Config *conf);

			/** simple destructor */

			virtual ~LocalFeatureOpponnentSift();

			/**
			 * get the descriptor
			 * @param img input image
			 * @param positions positions for the SIFT features
			 * @param descriptors output
			 * @return 0
			 */
			int getDescriptors(const NICE::ColorImage & cimg, NICE::VVector & positions, NICE::VVector & descriptors) const;
	};


} // namespace

#endif