itkScalarChanAndVeseLevelSetFunction.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkScalarChanAndVeseLevelSetFunction_h
#define __itkScalarChanAndVeseLevelSetFunction_h

#include "itkScalarRegionBasedLevelSetFunction.h"
#include "itkScalarChanAndVeseLevelSetFunctionData.h"
#include "itkConstrainedRegionBasedLevelSetFunctionSharedData.h"

namespace itk
{
template< class TInputImage,
          class TFeatureImage,
          class TSharedData = ConstrainedRegionBasedLevelSetFunctionSharedData< TInputImage, TFeatureImage,
                                                                                ScalarChanAndVeseLevelSetFunctionData<
                                                                                  TInputImage, TFeatureImage > > >
class ITK_EXPORT ScalarChanAndVeseLevelSetFunction:
  public ScalarRegionBasedLevelSetFunction< TInputImage, TFeatureImage, TSharedData >
{
public:
  typedef ScalarChanAndVeseLevelSetFunction                                            Self;
  typedef ScalarRegionBasedLevelSetFunction< TInputImage, TFeatureImage, TSharedData > Superclass;
  typedef SmartPointer< Self >                                                         Pointer;
  typedef SmartPointer< const Self >                                                   ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ScalarChanAndVeseLevelSetFunction, ScalarLevelSetFunction);

  itkStaticConstMacro(ImageDimension, unsigned int, TFeatureImage::ImageDimension);

  typedef TInputImage                                 InputImageType;
  typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
  typedef typename Superclass::InputImagePointer      InputImagePointer;
  typedef typename Superclass::InputPixelType         InputPixelType;
  typedef typename Superclass::InputIndexType         InputIndexType;
  typedef typename Superclass::InputIndexValueType    InputIndexValueType;
  typedef typename Superclass::InputSizeType          InputSizeType;
  typedef typename Superclass::InputSizeValueType     InputSizeValueType;
  typedef typename Superclass::InputRegionType        InputRegionType;
  typedef typename Superclass::InputPointType         InputPointType;

  typedef TFeatureImage                           FeatureImageType;
  typedef typename FeatureImageType::ConstPointer FeatureImageConstPointer;
  typedef typename Superclass::FeaturePixelType   FeaturePixelType;
  typedef typename Superclass::FeatureIndexType   FeatureIndexType;
  typedef typename Superclass::FeatureOffsetType  FeatureOffsetType;

  typedef typename Superclass::ScalarValueType  ScalarValueType;
  typedef typename Superclass::NeighborhoodType NeighborhoodType;
  typedef typename Superclass::FloatOffsetType  FloatOffsetType;
  typedef typename Superclass::RadiusType       RadiusType;
  typedef typename Superclass::TimeStepType     TimeStepType;
  typedef typename Superclass::GlobalDataStruct GlobalDataStruct;
  typedef typename Superclass::PixelType        PixelType;
  typedef typename Superclass::VectorType       VectorType;

  typedef typename Superclass::SharedDataType    SharedDataType;
  typedef typename Superclass::SharedDataPointer SharedDataPointer;

  typedef typename Superclass::ImageIteratorType        ImageIteratorType;
  typedef typename Superclass::ConstImageIteratorType   ConstImageIteratorType;
  typedef typename Superclass::FeatureImageIteratorType FeatureImageIteratorType;
  typedef typename Superclass::ConstFeatureIteratorType ConstFeatureIteratorType;

  typedef typename Superclass::ListPixelType          ListPixelType;
  typedef typename Superclass::ListPixelConstIterator ListPixelConstIterator;
  typedef typename Superclass::ListPixelIterator      ListPixelIterator;
  typedef typename Superclass::ListImageType          ListImageType;
protected:
  ScalarChanAndVeseLevelSetFunction():Superclass() {}
  ~ScalarChanAndVeseLevelSetFunction(){}

  void ComputeParameters();

  void UpdateSharedDataParameters();

  ScalarValueType ComputeInternalTerm(const FeaturePixelType & iValue,
                                      const FeatureIndexType & iIdx);

  ScalarValueType ComputeExternalTerm(const FeaturePixelType & iValue,
                                      const FeatureIndexType & iIdx);

  void UpdateSharedDataInsideParameters(const unsigned int & iId,
                                        const FeaturePixelType & iVal, const ScalarValueType & iChange);

  void UpdateSharedDataOutsideParameters(const unsigned int & iId,
                                         const FeaturePixelType & iVal, const ScalarValueType & iChange);

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

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkScalarChanAndVeseLevelSetFunction.hxx"
#endif

#endif