itkHessian3DToVesselnessMeasureImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkHessian3DToVesselnessMeasureImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-16 16:45:10 $
  Version:   $Revision: 1.8 $

  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 __itkHessian3DToVesselnessMeasureImageFilter_h
#define __itkHessian3DToVesselnessMeasureImageFilter_h

#include "itkSymmetricSecondRankTensor.h"
#include "itkSymmetricEigenAnalysisImageFilter.h"

namespace itk
{
template < typename  TPixel >
class ITK_EXPORT Hessian3DToVesselnessMeasureImageFilter : public
ImageToImageFilter< Image< SymmetricSecondRankTensor< double, 3 >, 3 >, 
                                                  Image< TPixel, 3 > >
{
public:
  typedef Hessian3DToVesselnessMeasureImageFilter Self;
  typedef ImageToImageFilter< 
          Image< SymmetricSecondRankTensor< double, 3 >, 3 >, 
          Image< TPixel, 3 > >                    Superclass;
  typedef SmartPointer<Self>                      Pointer;
  typedef SmartPointer<const Self>                ConstPointer;

  typedef typename Superclass::InputImageType            InputImageType;
  typedef typename Superclass::OutputImageType           OutputImageType;
  typedef typename InputImageType::PixelType             InputPixelType;
  typedef TPixel                                         OutputPixelType;
  
  itkStaticConstMacro(ImageDimension, unsigned int,
                      ::itk::GetImageDimension<InputImageType>::ImageDimension);
  itkStaticConstMacro(InputPixelDimension, unsigned int,
                      InputPixelType::Dimension);

  typedef  FixedArray< double, itkGetStaticConstMacro(InputPixelDimension) >
                                                          EigenValueArrayType;
  typedef  Image< EigenValueArrayType, itkGetStaticConstMacro(ImageDimension) >
                                                          EigenValueImageType;
  typedef   SymmetricEigenAnalysisImageFilter< 
              InputImageType, EigenValueImageType >     EigenAnalysisFilterType;

  itkTypeMacro( Hessian3DToVesselnessMeasureImageFilter, ImageToImageFilter );

  itkNewMacro(Self);

  itkSetMacro(Alpha1, double);
  itkGetMacro(Alpha1, double);

  itkSetMacro(Alpha2, double);
  itkGetMacro(Alpha2, double);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(DoubleConvertibleToOutputCheck,
                  (Concept::Convertible<double, OutputPixelType>));

#endif

protected:
  Hessian3DToVesselnessMeasureImageFilter();
  ~Hessian3DToVesselnessMeasureImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;
  
  void GenerateData( void );

private:
  Hessian3DToVesselnessMeasureImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  typename EigenAnalysisFilterType::Pointer m_SymmetricEigenValueFilter;

  double m_Alpha1;
  double m_Alpha2;
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkHessian3DToVesselnessMeasureImageFilter.txx"
#endif
  
#endif