NICE_VisLearning/features/localfeatures/LFReadCache.cpp

/** 
* @file LFReadCache.cpp
* @brief read local features from file
* @author Erik Rodner
* @date 02/14/2008

*/
#include <vislearning/nice.h>

#include <iostream>
#include <fstream>

#include "vislearning/baselib/Globals.h"
#include "core/basics/StringTools.h"
#include "core/basics/FileMgt.h"

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

using namespace OBJREC;
using namespace std;
using namespace NICE;

LFReadCache::LFReadCache( const Config *conf,
			  const LocalFeatureRepresentation *_lfrep,
			  int _numFeatures ) : lfrep(_lfrep)
{
    //srand(time(NULL));
    numFeatures = _numFeatures;
    cachedir = conf->gS("cache", "root");
    cachemode = Globals::getCacheMode ( conf->gS("cache", "mode", "cat") );
    
    std::string descFormat_s = conf->gS("cache", "descriptor_format", "binary_double");
    if ( descFormat_s == "binary_double" )
		descFormat = VVector::FILEFORMAT_BINARY_DOUBLE;
    else if ( descFormat_s == "binary_uchar" )
		descFormat = VVector::FILEFORMAT_BINARY_CHAR;
    else if ( descFormat_s == "text_line" )
		descFormat = VVector::FILEFORMAT_LINE;
    else if ( (descFormat_s == "text_nice") || (descFormat_s == "text_ice"))
		descFormat = VVector::FILEFORMAT_NICE;
	else
		fthrow(Exception, "Format " << descFormat_s << " is unknown.");
}

LFReadCache::~LFReadCache()
{
}

int LFReadCache::getDescSize () const
{
	if ( lfrep == NULL ) {
		fthrow(Exception, "Unable to get descriptor size! (cache mode)");
		return -1;
	} else {
    	return lfrep->getDescSize();
	}
}


int LFReadCache::extractFeatures ( const NICE::ColorImage & img, 
				   VVector & features, 
				   VVector & positions) const
{
	return extractFeaturesTemplate<NICE::ColorImage> ( img, features, positions );
}

int LFReadCache::extractFeatures ( const NICE::Image & img, 
				   VVector & features, 
				   VVector & positions) const
{
	return extractFeaturesTemplate<NICE::Image> ( img, features, positions );
}

void LFReadCache::visualize ( NICE::Image & img, 
		 const NICE::Vector & feature ) const
{
    lfrep->visualize ( img, feature );
}

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