H:/Class/11756/HLab/HLabLib/HLabViterbiAlignment.h

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#pragma once

#ifdef WIN32
        #if defined _USRDLL 
                #define DllExport _declspec(dllexport)
        #else
                #define DllExport _declspec(dllimport)
        #endif 
#endif

#include "HLabHMM.h"
#include "HLabFeat.h"
#include "HLabConst.h"
#include "HLabVector.h"


class DllExport CHLabViterbiAlignment
{
        float***  m_pppfLikelihoodTable;
        vector2d<float> m_vec2d_likelihoodTable;
        vector2d<float> m_vec2d_likelihoodTableTemp;

        vector3d<float> m_vec3d_backtrackTable;
        int       m_iNumHMMs;
        int       m_iFeatLen;
        CHLabHMM* m_pHMM;
        CHLabFeat* m_pFeat;
        int        m_iDim;
        int        m_iMaxNumStates;
        
        int**   m_ppiStateBoundary;
        vector2d<int> m_vec2d_stateStartBounday;
        vector2d<int> m_vec2d_stateEndBoundary;
        float   m_fTH;

        float GaussianPDF(int iTestFrameIndex, 
                                          int iHMMIndex,
                                      int iStateIndex);

public:
        CHLabViterbiAlignment(void);
        virtual ~CHLabViterbiAlignment(void);

        int Init(CHLabHMM* pHMM, 
                     int iNumHMM,
                         CHLabFeat* pFeat,
                         float fTH = -HLab_INFINITY);
        
        int Run(float* pLikelihood);


        
        inline vector2d<int>& GetStateStartBoundary(void)
        {
                return (m_vec2d_stateStartBounday);
        }

        inline vector2d<int>& GetStateEndBoundary(void)
        {
                return (m_vec2d_stateEndBoundary);
        }
};

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