Ccorrelation_intercor_fftw.h

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 * Copyright (C) 2012, The YaDICs Project Developers. 
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#ifndef CCORRELATION_INTERCOR_FFTW
#define CCORRELATION_INTERCOR_FFTW

#include "Ccorrelation_intercor.h"

template<typename T,typename Timg> 
class Ccorrelation_intercor_fftw : public Ccorrelation_intercor<T,Timg>
{

  public:
 
    Ccorrelation_intercor_fftw() : Ccorrelation_intercor<T,Timg>()
    {// constructor

      this->class_name = "Correlation : Inter-correlation by FFTW";
      
    }

    virtual void correl(CImgList<T> &correlogram, CImgList<T> &F, CImgList<T> &G)
    {//Correlation sequence
     
      this->mean(correlogram);
      
      F[0] = correlogram[0];
        F[1].fill(0);// imaginary field
      G[0] = correlogram[1];
        G[1].fill(0);// imaginary field
      
      this->FFT(correlogram, F, G);
      this->interCor(correlogram, F, G);
      this->iFFT(correlogram);
      this->shift(correlogram);

    }
    
};

#endif