NICE_VisLearning/features/localfeatures/LFWriteCache.h

/** 
* @file LFWriteCache.h
* @brief write local features to file
* @author Erik Rodner
* @date 02/14/2008

*/
#ifndef LFWriteCacheINCLUDE
#define LFWriteCacheINCLUDE

#include <vislearning/nice.h>
 
#include "LocalFeatureRepresentation.h"
#include "core/basics/Config.h"


namespace OBJREC {

/** write local features to file */
class LFWriteCache : public LocalFeatureRepresentation
{

    protected:
	const LocalFeatureRepresentation *lfrep;

	std::string cachedir;

	int descFormat;
	int cachemode;


    public:
  
		/** simple constructor */
		LFWriteCache( const NICE::Config *conf, 
				const LocalFeatureRepresentation *lfrep ); 
		
		/** simple destructor */
		virtual ~LFWriteCache();
	
		int getDescSize () const;
	
		/**
		* extract features for gray images
		* @param img input image
		* @param features output features
		* @param positions position of the features
		* @return 
		*/
		int extractFeatures ( const NICE::Image & img, 
					NICE::VVector & features, 
					NICE::VVector & positions ) const;
		
		/**
		* extract features for color images
		* @param img input image
		* @param features output features
		* @param positions position of the features
		* @return 
		*/
		int extractFeatures ( const NICE::ColorImage & img, 
					NICE::VVector & features, 
					NICE::VVector & positions ) const;
	
		void visualize ( NICE::Image & img, 
			const NICE::Vector & feature ) const;
	
		void visualizeFeatures ( NICE::Image & mark,
					const NICE::VVector & positions,
					size_t color ) const;
};


} // namespace

#endif