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progs/testSift.cpp

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+/** 
+* @file testSift.cpp
+* @brief test sift implementation
+* @author Björn Fröhlich
+* @date 06/08/2010
+*/
+#include "objrec/nice.h"
+
+#include "objrec/baselib/Config.h"
+
+#include "objrec/features/localfeatures/LocalFeatureSift.h"
+#include "objrec/features/localfeatures/LocalFeatureOpponnentSift.h"
+#include "objrec/features/localfeatures/LocalFeatureRGBSift.h"
+
+#include "objrec/features/localfeatures/LFColorSande.h"
+#include "objrec/features/localfeatures/LocalFeatureLFInterface.h"
+
+
+#include "objrec/baselib/Globals.h"
+
+using namespace OBJREC;
+using namespace NICE;
+using namespace std;
+
+int main (int argc, char **argv)
+{
+	if(argc < 1)
+	{
+		cerr << "Bitte Bild angeben" << endl;
+		return -1;
+	}
+	
+	string filename;
+	filename += argv[1];
+	
+	Image img(filename);
+	ColorImage cimg(filename);
+
+	Globals::setCurrentImgFN ( filename );
+	
+	Config *conf = new Config();
+	string section = "SIFT";
+	conf->sS(section, "scales", "1");
+	conf->sI(section, "descriptor_size", 128);
+	conf->sI(section, "grid", 100);
+	conf->sB(section, "usegrid", true);
+	conf->sS(section, "params", "--descriptor sift");
+	
+	//LocalFeatureOpponnentSift *oSIFT = new LocalFeatureOpponnentSift (conf);
+	LocalFeatureRepresentation *cSIFT = new LFColorSande ( conf, section );
+	LocalFeature *lSIFT = new LocalFeatureLFInterface(conf, cSIFT);
+	LocalFeature *oSIFT = new LocalFeatureSift (conf);
+	
+	
+	VVector features1;
+	VVector features2;
+	VVector positions;
+	//cSIFT->extractFeatures ( cimg, features1, positions );
+	lSIFT->getDescriptors( img, positions, features1 );
+	//showImage(cimg);
+	oSIFT->getDescriptors( img, positions, features2 );
+	cout << "f1.size: " << features1.size() << " f2.size: " << features2.size() << " p.size() " << positions.size() << endl;
+	
+	
+	double max[2] = {0.0,0.0};
+	int feat = 1;
+	for(int i = 0; i < (int)features1[feat].size(); i++)
+	{
+		max[0] = std::max(max[0], features1[feat][i]);
+		max[1] = std::max(max[1], features2[feat][i]);
+		cout << features1[feat][i] << "\t" << features2[feat][i] << endl;
+	}
+	cout << "max: " << max[0] << "\t" << max[1] << endl;
+
+	return 0;
+}