HMSVMLabels.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 Fernando José Iglesias García
00008  * Copyright (C) 2012 Fernando José Iglesias García
00009  */
00010 
00011 #ifndef _HMSVM_LABELS__H__
00012 #define _HMSVM_LABELS__H__
00013 
00014 #include <shogun/labels/StructuredLabels.h>
00015 #include <shogun/lib/SGVector.h>
00016 #include <shogun/lib/StructuredData.h>
00017 #include <shogun/lib/StructuredDataTypes.h>
00018 
00019 namespace shogun
00020 {
00021 
00022 class CHMSVMLabels;
00023 
00026 class CSequence : public CStructuredData
00027 {
00028 public:
00030     STRUCTURED_DATA_TYPE(SDT_SEQUENCE);
00031 
00036     CSequence(SGVector< int32_t > seq = SGVector<int32_t>()) : CStructuredData(), data(seq) { }
00037 
00039     ~CSequence() { }
00040 
00045     static CSequence* obtain_from_generic(CStructuredData* base_data)
00046     {
00047         if ( base_data->get_structured_data_type() == SDT_SEQUENCE )
00048             return (CSequence*) base_data;
00049         else
00050             SG_SERROR("base_data must be of dynamic type CSequence\n");
00051 
00052         return NULL;
00053     }
00054 
00056     virtual const char* get_name() const { return "Sequence"; }
00057 
00059     SGVector<int32_t> get_data() const { return data; }
00060 
00061 protected:
00062 
00064     SGVector< int32_t > data;
00065 
00066 };
00067 
00072 class CHMSVMLabels : public CStructuredLabels
00073 {
00074     public:
00076         CHMSVMLabels();
00077 
00083         CHMSVMLabels(int32_t num_labels, int32_t num_states);
00084 
00095         CHMSVMLabels(SGVector< int32_t > labels, int32_t label_length, int32_t num_labels, int32_t num_states);
00096 
00098         virtual ~CHMSVMLabels();
00099 
00101         virtual const char* get_name() const { return "HMSVMLabels"; }
00102 
00112         void add_label(SGVector< int32_t > label);
00113 
00118         inline int32_t get_num_states() const { return m_num_states; };
00119 
00120     private:
00122         void init();
00123 
00124     private:
00129         int32_t m_num_states;
00130 
00131 }; /* CHMSVMLabels */
00132 
00133 } /* namespace shogun */
00134 
00135 #endif /* _HMSVM_LABELS__H__ */
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