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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkScalarChanAndVeseSparseLevelSetImageFilter.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 __itkScalarChanAndVeseSparseLevelSetImageFilter_h
#define __itkScalarChanAndVeseSparseLevelSetImageFilter_h
#include "itkMultiphaseSparseFiniteDifferenceImageFilter.h"
#include "itkRegionOfInterestImageFilter.h"
#include "itkScalarChanAndVeseLevelSetFunction.h"
namespace itk
{
/** \class ScalarChanAndVeseSparseLevelSetImageFilter
* \brief Sparse implementation of the Chan and Vese multiphase level set image filter.
*
*
* This code was adapted from the paper:
*
* "An active contour model without edges"
* T. Chan and L. Vese.
* In Scale-Space Theories in Computer Vision, pages 141-151, 1999.
*
* \author Mosaliganti K., Smith B., Gelas A., Gouaillard A., Megason S.
*
* This code was taken from the Insight Journal paper:
*
* "Cell Tracking using Coupled Active Surfaces for Nuclei and Membranes"
* http://www.insight-journal.org/browse/publication/642
* http://hdl.handle.net/10380/3055
*
* That is based on the papers:
*
* "Level Set Segmentation: Active Contours without edge"
* http://www.insight-journal.org/browse/publication/322
* http://hdl.handle.net/1926/1532
*
* and
*
* "Level set segmentation using coupled active surfaces"
* http://www.insight-journal.org/browse/publication/323
* http://hdl.handle.net/1926/1533
*
*/
template < class TInputImage, class TFeatureImage, class TOutputImage,
class TFunction=ScalarChanAndVeseLevelSetFunction< TInputImage, TFeatureImage >,
class TSharedData=ITK_TYPENAME TFunction::SharedDataType,
typename TIdCell = unsigned int >
class ITK_EXPORT ScalarChanAndVeseSparseLevelSetImageFilter :
public MultiphaseSparseFiniteDifferenceImageFilter< TInputImage, TFeatureImage,
TOutputImage, TFunction, TIdCell >
{
public:
typedef ScalarChanAndVeseSparseLevelSetImageFilter Self;
typedef MultiphaseSparseFiniteDifferenceImageFilter< TInputImage,
TFeatureImage, TOutputImage, TFunction, TIdCell > 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( ScalarChanAndVeseSparseLevelSetImageFilter,
MultiphaseSparseFiniteDifferenceImageFilter );
itkStaticConstMacro( ImageDimension, unsigned int, TInputImage::ImageDimension );
/** Inherited typedef from the superclass. */
typedef typename Superclass::InputImageType InputImageType;
typedef typename Superclass::InputImagePointer InputImagePointer;
typedef typename Superclass::InputPointType InputPointType;
typedef typename Superclass::ValueType ValueType;
typedef typename Superclass::InputSpacingType InputSpacingType;
typedef TFeatureImage FeatureImageType;
typedef typename FeatureImageType::Pointer FeatureImagePointer;
typedef typename FeatureImageType::PixelType FeaturePixelType;
typedef typename FeatureImageType::IndexType FeatureIndexType;
typedef typename FeatureIndexType::IndexValueType FeatureIndexValueType;
typedef typename FeatureImageType::RegionType FeatureRegionType;
/** Output image type typedefs */
typedef TOutputImage OutputImageType;
typedef typename OutputImageType::IndexType IndexType;
typedef typename OutputImageType::PixelType OutputPixelType;
typedef typename Superclass::TimeStepType TimeStepType;
typedef typename Superclass::FiniteDifferenceFunctionType
FiniteDifferenceFunctionType;
typedef typename Superclass::IdCellType IdCellType;
typedef TFunction FunctionType;
typedef typename FunctionType::Pointer FunctionPtr;
typedef TSharedData SharedDataType;
typedef typename SharedDataType::Pointer SharedDataPointer;
typedef RegionOfInterestImageFilter<
FeatureImageType, FeatureImageType > ROIFilterType;
typedef typename ROIFilterType::Pointer ROIFilterPointer;
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(OutputHasNumericTraitsCheck,
(Concept::HasNumericTraits<OutputPixelType>) );
/** End concept checking */
#endif
/** Set/Get the feature image to be used for speed function of the level set
* equation. Equivalent to calling Set/GetInput(1, ..) */
virtual void SetFeatureImage( const FeatureImagePointer f )
{
this->SetInput( f );
}
protected:
ScalarChanAndVeseSparseLevelSetImageFilter()
{
this->SetNumberOfLayers(2); // Narrow-band usage
this->m_SharedData = SharedDataType::New();
}
~ScalarChanAndVeseSparseLevelSetImageFilter() {}
SharedDataPointer m_SharedData;
virtual void Initialize();
virtual void InitializeIteration();
virtual void UpdatePixel( unsigned int functionIndex,
unsigned int idx, NeighborhoodIterator< InputImageType > &iterator,
ValueType &newValue, bool &status );
};
} //end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkScalarChanAndVeseSparseLevelSetImageFilter.txx"
#endif
#endif
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