/** 
* @file LFGenericLocal.cpp
* @brief generic local features
* @author Erik Rodner
* @date 02/05/2008

*/
#include <iostream>
#include <sstream>

#include "vislearning/features/localfeatures/LFGenericLocal.h"

#include "vislearning/features/localfeatures/LocalFeatureSift.h"
#include "vislearning/features/localfeatures/IDRandomSampling.h"

using namespace OBJREC;

using namespace std;
using namespace NICE;



LFGenericLocal::LFGenericLocal( const Config *conf, int numFeatures )
{
    lf = new LocalFeatureSift(conf);
    id = new IDRandomSampling(conf, numFeatures);
}

LFGenericLocal::~LFGenericLocal()
{
    delete lf;
}

int LFGenericLocal::getDescSize () const
{
    return lf->getDescSize();
}

int LFGenericLocal::extractFeatures ( const NICE::Image & img, 
				    VVector & features, 
				    VVector & positions ) const
{
    id->getInterests ( img, positions );
    lf->getDescriptors ( img, positions, features );
    return 0;
}

void LFGenericLocal::visualizeFeatures ( NICE::Image & mark,
				 const VVector & positions,
				 size_t color ) const
{
    lf->visualizeFeatures ( mark, positions, color );
}