NICE_VisLearning/math/kernels/genericKernel.h

#ifndef _NICE_OBJREC_GENERICKERNELSELECTION_INCLUDE
#define _NICE_OBJREC_GENERICKERNELSELECTION_INCLUDE


#include <vector>
#include "KernelRBF.h"
#include "KernelExp.h"

namespace OBJREC {

class GenericKernelSelection
{
    public:

		static Kernel *selectKernel ( const NICE::Config *conf, std::string kernel_type )
		{
			Kernel *kernel = NULL;

			if ( kernel_type == "rbf" ) {
				double log_rbf_gamma = conf->gD("Kernel","log_rbf_gamma",-2.5);
				kernel = new KernelRBF (log_rbf_gamma);
			} else if ( kernel_type == "exp" ) {
				double log_rbf_gamma = conf->gD("Kernel","log_rbf_gamma",-2.5);
				double log_rbf_sv = conf->gD("Kernel","log_rbf_sv",0.0);
				kernel = new KernelExp (log_rbf_gamma, log_rbf_sv);
			} else {
				fthrow(Exception, "Kernel type " << kernel_type << " is unknown" );
			}

			return kernel;
		}

};

}

#endif