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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkFFTWComplexToComplexImageFilter.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkFFTWComplexToComplexImageFilter_h
#define __itkFFTWComplexToComplexImageFilter_h
#if defined(USE_FFTWF) || defined(USE_FFTWD)
#include "itkFFTComplexToComplexImageFilter.h"
#include "fftw3.h"
namespace itk
{
/** \class FFTWComplexToComplexImageFilter
* \brief Implements an API to enable the Fourier transform or the inverse
* Fourier transform of images with complex valued voxels to be computed using
* either FFTW from MIT or the FFTW interface in Intel MKL.
*
* \ingroup FourierTransform
*
* \author Simon K. Warfield simon.warfield@childrens.harvard.edu
*
* \note Attribution Notice. This research work was made possible by
* Grant Number R01 RR021885 (PI Simon K. Warfield, Ph.D.) from
* the National Center for Research Resources (NCRR), a component of the
* National Institutes of Health (NIH). Its contents are solely the
* responsibility of the authors and do not necessarily represent the
* official view of NCRR or NIH.
*
*/
template <typename TPixel,unsigned int NDimension = 3 >
class FFTWComplexToComplexImageFilter:
public FFTComplexToComplexImageFilter< TPixel, NDimension >
{
//#error Invalid Type Listed for TPixel
};
template <unsigned int NDimension>
class FFTWComplexToComplexImageFilter<float,NDimension>:
public FFTComplexToComplexImageFilter<float,NDimension>
{
// TODO: There should be compile time type checks so that
// if only USE_FFTWF is defined, then only floats are valid.
// and if USE_FFTWD is defined, then only doubles are valid.
public:
typedef float TPixel;
typedef FFTWComplexToComplexImageFilter Self;
typedef FFTComplexToComplexImageFilter<
TPixel,NDimension> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard class typedefs. */
typedef typename Superclass::InputImageType InputImageType;
typedef typename Superclass::OutputImageType OutputImageType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(FFTWComplexToComplexImageFilter,
FFTComplexToComplexImageFilter);
/** Image type typedef support. */
typedef InputImageType ImageType;
typedef typename ImageType::SizeType ImageSizeType;
protected:
FFTWComplexToComplexImageFilter()
{
this->m_PlanComputed= false;
}
virtual ~FFTWComplexToComplexImageFilter()
{
if(m_PlanComputed)
{
fftwf_destroy_plan(m_Plan);
}
}
/**
* these methods should be defined in every FFT filter class
*/
virtual void GenerateData(); // generates output from input
virtual bool FullMatrix();
private:
FFTWComplexToComplexImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
bool m_PlanComputed;
fftwf_plan m_Plan;
};
template <unsigned int NDimension>
class FFTWComplexToComplexImageFilter<double,NDimension>:
public FFTComplexToComplexImageFilter<double,NDimension>
{
// TODO: There should be compile time type checks so that
// if only USE_FFTWF is defined, then only floats are valid.
// and if USE_FFTWD is defined, then only doubles are valid.
public:
typedef double TPixel;
typedef FFTWComplexToComplexImageFilter Self;
typedef FFTComplexToComplexImageFilter<
TPixel,NDimension> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard class typedefs. */
typedef typename Superclass::InputImageType InputImageType;
typedef typename Superclass::OutputImageType OutputImageType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(FFTWComplexToComplexImageFilter,
FFTComplexToComplexImageFilter);
/** Image type typedef support. */
typedef InputImageType ImageType;
typedef typename ImageType::SizeType ImageSizeType;
protected:
FFTWComplexToComplexImageFilter()
{
m_PlanComputed= false;
}
virtual ~FFTWComplexToComplexImageFilter()
{
if( this->m_PlanComputed )
{
fftw_destroy_plan( this->m_Plan );
}
}
//
// these should be defined in every FFT filter class
virtual void GenerateData(); // generates output from input
virtual bool FullMatrix();
private:
FFTWComplexToComplexImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
bool m_PlanComputed;
fftw_plan m_Plan;
};
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkFFTWComplexToComplexImageFilter.txx"
#endif
#endif // defined(USE_FFTWF) || defined(USE_FFTWD)
#endif //__itkFFTWComplexToComplexImageFilter_h
|
