zxhMetricMIFFDSEMI.h

/*=========================================================================

  Program:   ZXH Registration Software
  Author:    Xiahai Zhuang
  Module:    $RCSfle: zxhMetricMIFFDSEMI.h    $
  Language:  C++
  Date:      $Date: From  2011-03 $
  Version:   $Revision: 2.2.1 $
  revision:
=========================================================================*/
#ifndef zxhMetricMIFFDSEMI_h
#define zxhMetricMIFFDSEMI_h

#ifndef ZXH_HISTOGRAMMAXSIZE
#define ZXH_HISTOGRAMMAXSIZE 1024
#endif

#include "zxh.h"
#include "zxhMetricMIFFD.h"

class zxhMetricMIFFDSEMI :  public zxhMetricMIFFD
{
public:
    zxhMetricMIFFDSEMI(void);
    ~zxhMetricMIFFDSEMI(void);

    virtual std::string GetMetricType() {return zxhMetricMIFFD::GetMetricType()+"_SEMIFFD_"; } ;

    virtual zxhMetricBase* Clone( zxhMetricBase * & pRet ); 

    virtual int ComputeConstanceForFFDGradient() ;
    virtual int GetValue( zxhlfloat & fvalue )                                          {fvalue=0;return 0;} ;

    
    virtual int GetDiffByFFDGrid(float * afPD, // output partial differentiation
                                    zxhTransformFFDBase * pFFDGrid,
                                    int * aiCtrPnt,
                                    zxhTransformFFDBase * pDifferential );
protected:
    virtual void    GetFFDControlPointSupportVolumeTest(float * afSemiRegionTest, float *afCtrVolumeTest, const int aiCtrPnt[] ) ;
    virtual void    ComputeHistAndDerivativeHist(const zxhTransformFFDBase*pFFDGrid, const int *aiCtrPnt,
                                                 zxhlfloat *pPartialHx,zxhlfloat*pPartialHy,zxhlfloat*pPartialHz,zxhlfloat*pPartialHt,
                                                 bool*bJointHistogramUpdated ) ;
    virtual void    ComputeDerivativeMIFromHistAndDerivativeHist( float * afPD, const bool*bJointHistogramUpdated,
                             const zxhlfloat *pPartialHx,const zxhlfloat*pPartialHy,const zxhlfloat*pPartialHz,const zxhlfloat*pPartialHt );

    //bool                      m_bJointHistogramUpdated[ZXH_HISTOGRAMMAXSIZE][ZXH_HISTOGRAMMAXSIZE] ;
};

#endif