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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkFastMarchingDirectionalFreezeImageFilter.h,v $
Language: C++
Date: $Date: 2006/09/01 21:33:26 $
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 _itkFastMarchingDirectionalFreezeImageFilter_h
#define _itkFastMarchingDirectionalFreezeImageFilter_h
#include "itkFastMarchingUpwindGradientImageFilter.h"
#include "itkImage.h"
namespace itk
{
/** \class FastMarchingDirectionalFreezeImageFilter
*
* \brief Propagates a front freezing points based on the relative direction of
* the front and the gradient vector of the speed image.
*
*
*/
template <
class TLevelSet,
class TSpeedImage = Image<float,::itk::GetImageDimension<TLevelSet>::ImageDimension> >
class ITK_EXPORT FastMarchingDirectionalFreezeImageFilter :
public FastMarchingUpwindGradientImageFilter<TLevelSet,TSpeedImage>
{
public:
/** Standard class typdedefs. */
typedef FastMarchingDirectionalFreezeImageFilter Self;
typedef FastMarchingUpwindGradientImageFilter<TLevelSet,TSpeedImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(FastMarchingDirectionalFreezeImageFilter, FastMarchingUpwindGradientImageFilter);
/** Inherited typedefs. */
typedef typename Superclass::LevelSetType LevelSetType;
typedef typename Superclass::SpeedImageType SpeedImageType;
typedef typename Superclass::LevelSetImageType LevelSetImageType;
typedef typename Superclass::LevelSetPointer LevelSetPointer;
typedef typename Superclass::SpeedImageConstPointer SpeedImageConstPointer;
typedef typename Superclass::LabelImageType LabelImageType;
typedef typename Superclass::PixelType PixelType;
typedef typename Superclass::AxisNodeType AxisNodeType;
typedef typename Superclass::NodeType NodeType;
typedef typename Superclass::NodeContainer NodeContainer;
typedef typename Superclass::NodeContainerPointer NodeContainerPointer;
typedef typename Superclass::IndexType IndexType;
typedef typename Superclass::OutputSpacingType OutputSpacingType;
typedef typename Superclass::LevelSetIndexType LevelSetIndexType;
typedef typename Superclass::GradientImageType GradientImageType;
typedef typename Superclass::GradientImagePointer GradientImagePointer;
typedef typename Superclass::GradientPixelType GradientPixelType;
typedef typename SpeedImageType::PixelType SpeedPixelType;
/** The dimension of the level set. */
itkStaticConstMacro(SetDimension, unsigned int,Superclass::SetDimension);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
/** End concept checking */
#endif
/** SpeedGradientPixel typedef support. */
typedef CovariantVector<SpeedPixelType,
itkGetStaticConstMacro(SetDimension)> SpeedGradientPixelType;
/** SpeedGradientImage typedef support. */
typedef Image<SpeedGradientPixelType,
itkGetStaticConstMacro(SetDimension)> SpeedGradientImageType;
/** SpeedGradientImagePointer typedef support. */
typedef typename SpeedGradientImageType::Pointer SpeedGradientImagePointer;
/** Get the speed gradient image. */
SpeedGradientImagePointer GetSpeedGradientImage() const
{ return m_SpeedGradientImage; };
//TODO: Set the speed gradient image from outside
protected:
FastMarchingDirectionalFreezeImageFilter();
~FastMarchingDirectionalFreezeImageFilter(){};
void PrintSelf( std::ostream& os, Indent indent ) const;
void GenerateData();
void AllocateSpeedGradientImage();
void ComputeSpeedGradientImage();
GradientPixelType ComputeGradientValue( const IndexType& index ,
const LevelSetImageType * output);
virtual void UpdateNeighbors( const IndexType& index,
const SpeedImageType *, LevelSetImageType * );
private:
FastMarchingDirectionalFreezeImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
SpeedGradientImagePointer m_SpeedGradientImage;
};
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkFastMarchingDirectionalFreezeImageFilter.txx"
#endif
#endif
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