zxhMetricCCFFD2.h

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

  Program:   ZXH Registration Software
  Author:    Xiahai Zhuang
  Module:    $RCSfle: zxhMetricCC.h    $
  Language:  C++
  Date:      $Date: From  2004-01 $
  Version:   $Revision: 1.0, 2.0, 2.1.1 $

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

#ifndef zxhMetricCCFFD2_h
#define zxhMetricCCFFD2_h

#include "zxhMetricCC.h"
#include "zxhMetricFFD2Base.h"


class zxhMetricCCFFD2 :
    public zxhMetricCC, public zxhMetricFFD2Base
{
public:
    zxhMetricCCFFD2(void);
    virtual ~zxhMetricCCFFD2(void);

    virtual std::string GetMetricType() {return zxhMetricCC::GetMetricType()+"_"+zxhMetricFFD2Base::GetMetricType(); } ;

    virtual zxhMetricBase*  Clone(zxhMetricBase * & pRet);
    virtual int GetValue(zxhlfloat&fValue);
    virtual int ComputeConstanceForFFDGradient()
    {
        int num=this->ComputeConstanceForGradient();
        zxhMetricFFD2Base::ComputeConstanceForFFDGradient() ;
        return num;
    };
protected:
    virtual void    SetFFDMetricBase()          {m_pMetricBase=this;};


    virtual int ComputeConstanceForGradient() ;

    virtual bool    EvaluateAllPixelOnTargetForceForMetric() ;
    virtual void    EvaluateOnPixelTarget2SourceForce(  float *afForce, const float * gridCoTest, const float * gridCoRef );


    /* constant variables after ComputeConstanceForGradient */
protected:
    int         m_nc_Samples ;
    zxhlfloat   m_fc_SumTest ; //meanTest=m_fc_SumTest/m_nc_Samples
    zxhlfloat   m_fc_SumRef ;
    zxhlfloat   m_fc_SumTestSquare ;
    zxhlfloat   m_fc_SumRefSquare ;
    zxhlfloat   m_fc_SumTestRef ;
    zxhlfloat   m_fc_Numerator ;  //sum(Test*Ref)-meanTest*sumRef
    zxhlfloat   m_fc_Denominator ;// denominator=m_fc_DenoTest * m_fc_DenoRef
    zxhlfloat   m_fc_DenoTest ; // sumTestSquare - 1/nSamples*(SumTest)^2
    zxhlfloat   m_fc_DenoRef ;  // sumRefSquare - 1/nSamples*(SumRef)^2
    zxhlfloat   m_fc_SquareCC ; // Numerator^2/Denominator
    zxhlfloat   m_fc_minusSSD ; // -(sumTestSquare+sumRefSquare-2*sumTestRef)
    zxhlfloat   m_fc_FactorTest ; // 2*Numerator/Denominator
    zxhlfloat   m_fc_FactorRef ; // 2*CCsquare/DenoRef
};

#endif //zxhMetricCCFFD2_h