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EST_HMM.h
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32 /*************************************************************************/
33 /* Author : Paul Taylor */
34 /* Date : June 1996 */
35 /*-----------------------------------------------------------------------*/
36 /* HMM Class header file */
37 /* */
38 /*=======================================================================*/
39 
40 #ifndef __EST_HMM_H__
41 #define __EST_HMM_H__
42 
43 #include "EST_String.h"
44 #include "EST_FMatrix.h"
45 #include "EST_Token.h"
46 
47 class HMM_Mixture {
48 private:
49 public:
50  HMM_Mixture();
51  HMM_Mixture(const HMM_Mixture &s);
52  HMM_Mixture(int n);
53 
54  void init(int vsize);
55 
56  EST_FVector mean;
57  EST_FVector var;
58  float gconst;
59  int vecsize;
60  HMM_Mixture& operator = (const HMM_Mixture& a);
61 };
62 
63 ostream& operator<<(ostream& s, const HMM_Mixture &mix);
64 
65 class HMM_State {
66 private:
67 public:
68  HMM_State();
69  HMM_State(const HMM_State &s);
70  HMM_State(int n);
71 
72  void init(int n_mixes, int vsize);
73 
74  EST_TVector<HMM_Mixture> mixture;
75  EST_FVector m_weight;
76 
77  HMM_State& operator = (const HMM_State& a);
78 };
79 
80 ostream& operator<<(ostream& s, const HMM_State &st);
81 
82 class HMM {
83 private:
84 public:
85  HMM();
86  HMM(int n, int v);
87 
88  void init(int n_states, int vsize, int n_streams);
89 
90  EST_String name;
91 
92  void clear();
93 
94  EST_String covkind;
95  EST_String durkind;
96  EST_String sampkind;
97 
98  EST_TVector<HMM_State> state;
99  EST_FMatrix trans;
100 
101  int num_streams;
102  int vecsize;
103 
104  EST_read_status load(EST_String file);
105  EST_read_status load_portion(EST_TokenStream &ts, int v_size,
106  int n_streams);
107  EST_write_status save(EST_String file);
108  HMM& operator = (const HMM& a);
109 
110  void balls(void);
111 };
112 
113 
114 
115 ostream& operator<<(ostream& s, const HMM &model);
116 
117 int operator !=(const HMM_Mixture &a, const HMM_Mixture &b);
118 int operator !=(const HMM_State &a, const HMM_State &b);
119 
120 
121 typedef EST_TList<HMM> EST_HMMList;
122 
123 
124 
125 #endif /* __EST_HMM_H__ */