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00012 #ifndef _CTOPFEATURES__H__
00013 #define _CTOPFEATURES__H__
00014
00015 #include "features/SimpleFeatures.h"
00016 #include "distributions/HMM.h"
00017
00018 namespace shogun
00019 {
00020 template <class T> class CSimpleFeatures;
00021 class CHMM;
00022
00023 #ifndef DOXYGEN_SHOULD_SKIP_THIS
00024
00025 struct T_HMM_INDIZES
00026 {
00028 int32_t* idx_p;
00030 int32_t* idx_q;
00032 int32_t* idx_a_rows;
00034 int32_t* idx_a_cols;
00036 int32_t* idx_b_rows;
00038 int32_t* idx_b_cols;
00039
00041 int32_t num_p;
00043 int32_t num_q;
00045 int32_t num_a;
00047 int32_t num_b;
00048 };
00049 #endif // DOXYGEN_SHOULD_SKIP_THIS
00050
00068 class CTOPFeatures : public CSimpleFeatures<float64_t>
00069 {
00070 public:
00079 CTOPFeatures(int32_t size, CHMM* p, CHMM* n, bool neglin, bool poslin);
00080
00082 CTOPFeatures(const CTOPFeatures &orig);
00083
00084 virtual ~CTOPFeatures();
00085
00091 void set_models(CHMM* p, CHMM* n);
00092
00097 virtual float64_t* set_feature_matrix();
00098
00103 int32_t compute_num_features();
00104
00111 bool compute_relevant_indizes(CHMM* hmm, T_HMM_INDIZES* hmm_idx);
00112
00114 inline virtual const char* get_name() const { return "TOPFeatures"; }
00115
00116 protected:
00124 virtual float64_t* compute_feature_vector(
00125 int32_t num, int32_t& len, float64_t* target=NULL);
00126
00133 void compute_feature_vector(float64_t* addr, int32_t num, int32_t& len);
00134
00135 protected:
00137 CHMM* pos;
00139 CHMM* neg;
00141 bool neglinear;
00143 bool poslinear;
00144
00146 T_HMM_INDIZES pos_relevant_indizes;
00148 T_HMM_INDIZES neg_relevant_indizes;
00149 };
00150 }
00151 #endif