itkHessianToObjectnessMeasureImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkHessianToObjectnessMeasureImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-04-23 03:43:41 $
  Version:   $Revision: 1.5 $

  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 __itkHessianToObjectnessMeasureImageFilter_h
#define __itkHessianToObjectnessMeasureImageFilter_h

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

namespace itk
{
template < typename TInputImage, typename TOutputImage > 
class ITK_EXPORT HessianToObjectnessMeasureImageFilter : public
ImageToImageFilter< TInputImage,TOutputImage>
{
public:
  typedef HessianToObjectnessMeasureImageFilter Self;

  typedef ImageToImageFilter< TInputImage, TOutputImage >  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 typename OutputImageType::PixelType   OutputPixelType;
  
  itkStaticConstMacro(ImageDimension, unsigned int, ::itk::GetImageDimension<InputImageType>::ImageDimension);

  typedef double                                                    EigenValueType;
  typedef itk::FixedArray< EigenValueType, itkGetStaticConstMacro( ImageDimension ) > EigenValueArrayType;
  typedef itk::Image< EigenValueArrayType, itkGetStaticConstMacro( ImageDimension ) > EigenValueImageType;

  typedef SymmetricEigenAnalysisImageFilter< 
    InputImageType, EigenValueImageType >                           EigenAnalysisFilterType;

  itkNewMacro(Self);

  itkSetMacro(Alpha,double);
  itkGetConstMacro(Alpha,double);

  itkSetMacro(Beta,double);
  itkGetConstMacro(Beta,double);

  itkSetMacro(Gamma,double);
  itkGetConstMacro(Gamma,double);

  itkSetMacro(ScaleObjectnessMeasure,bool);
  itkGetConstMacro(ScaleObjectnessMeasure,bool);
  itkBooleanMacro(ScaleObjectnessMeasure);

  itkSetMacro(ObjectDimension,unsigned int);
  itkGetConstMacro(ObjectDimension,unsigned int);

  itkSetMacro(BrightObject,bool);
  itkGetConstMacro(BrightObject,bool);

#ifdef ITK_USE_CONCEPT_CHECKING

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

#endif

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

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

  typename EigenAnalysisFilterType::Pointer m_SymmetricEigenValueFilter;

  double                 m_Alpha;
  double                 m_Beta;
  double                 m_Gamma;
  unsigned int           m_ObjectDimension;
  bool                   m_BrightObject;
  bool                   m_ScaleObjectnessMeasure;
};

} // end namespace itk

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

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