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LatentModel.h
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00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 3 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * Written (W) 2012 Viktor Gal
00008  * Copyright (C) 2012 Viktor Gal
00009  */
00010 
00011 #ifndef __LATENTMODEL_H__
00012 #define __LATENTMODEL_H__
00013 
00014 #include <shogun/labels/LatentLabels.h>
00015 #include <shogun/features/LatentFeatures.h>
00016 #include <shogun/features/DotFeatures.h>
00017 
00018 namespace shogun
00019 {
00030     class CLatentModel: public CSGObject
00031     {
00032         public:
00034             CLatentModel();
00035 
00041             CLatentModel(CLatentFeatures* feats, CLatentLabels* labels);
00042 
00044             virtual ~CLatentModel();
00045 
00050             virtual int32_t get_num_vectors() const;
00051 
00056             virtual int32_t get_dim() const=0;
00057 
00062             void set_labels(CLatentLabels* labs);
00063 
00068             CLatentLabels* get_labels() const;
00069 
00074             void set_features(CLatentFeatures* feats);
00075 
00080             virtual CDotFeatures* get_psi_feature_vectors()=0;
00081 
00090             virtual CData* infer_latent_variable(const SGVector<float64_t>& w, index_t idx)=0;
00091 
00097             virtual void argmax_h(const SGVector<float64_t>& w);
00098 
00103             virtual const char* get_name() const { return "LatentModel"; }
00104 
00105         protected:
00107             CLatentFeatures* m_features;
00109             CLatentLabels* m_labels;
00110 
00111         private:
00113             void register_parameters();
00114     };
00115 }
00116 
00117 #endif /* __LATENTMODEL_H__ */
00118 
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