DomainAdaptationSVM.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 2007-2011 Christian Widmer
 * Copyright (C) 2007-2011 Max-Planck-Society
 */

#ifdef USE_SVMLIGHT

#ifndef _DomainAdaptation_SVM_H___
#define _DomainAdaptation_SVM_H___

#include <shogun/lib/config.h>

#include <shogun/lib/common.h>
#include <shogun/classifier/svm/SVMLight.h>


namespace shogun
{
class CDomainAdaptationSVM : public CSVMLight
{
    public:

        CDomainAdaptationSVM();

        CDomainAdaptationSVM(float64_t C, CKernel* k, CLabels* lab, CSVM* presvm, float64_t B);

        virtual ~CDomainAdaptationSVM();

        void init(CSVM* presvm, float64_t B);

        virtual EMachineType get_classifier_type() { return CT_DASVM; }

        virtual CBinaryLabels* apply_binary(CFeatures* data=NULL);

        virtual CSVM* get_presvm();

        virtual float64_t get_B();

        virtual float64_t get_train_factor();

        virtual void set_train_factor(float64_t factor);

        virtual const char* get_name() const { return "DomainAdaptationSVM"; }

    protected:

        virtual bool is_presvm_sane();

        virtual bool train_machine(CFeatures* data=NULL);

    private:
        void init();

    protected:

        CSVM* presvm;

        float64_t B;

        float64_t train_factor;
};
}
#endif //_DomainAdaptation_SVM_H___
#endif //USE_SVMLIGHT