itkShapeDetectionLevelSetFunction.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 __itkShapeDetectionLevelSetFunction_h
#define __itkShapeDetectionLevelSetFunction_h

#include "itkSegmentationLevelSetFunction.h"

namespace itk
{
template< typename TImageType, typename TFeatureImageType = TImageType >
class ShapeDetectionLevelSetFunction:
  public SegmentationLevelSetFunction< TImageType, TFeatureImageType >
{
public:
  typedef ShapeDetectionLevelSetFunction                                Self;
  typedef SegmentationLevelSetFunction< TImageType, TFeatureImageType > Superclass;
  typedef SmartPointer< Self >                                          Pointer;
  typedef SmartPointer< const Self >                                    ConstPointer;
  typedef TFeatureImageType                                             FeatureImageType;

  itkNewMacro(Self);

  itkTypeMacro(ShapeDetectionLevelSetFunction, SegmentationLevelSetFunction);

  typedef typename Superclass::ImageType         ImageType;
  typedef typename Superclass::NeighborhoodType  NeighborhoodType;
  typedef typename Superclass::ScalarValueType   ScalarValueType;
  typedef typename Superclass::FeatureScalarType FeatureScalarType;
  typedef typename Superclass::RadiusType        RadiusType;
  typedef typename Superclass::FloatOffsetType   FloatOffsetType;
  typedef typename Superclass::GlobalDataStruct  GlobalDataStruct;

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

  virtual void CalculateSpeedImage();

  virtual ScalarValueType CurvatureSpeed(const NeighborhoodType & neighborhood,
                                         const FloatOffsetType & offset, GlobalDataStruct *gd) const
  { return this->PropagationSpeed(neighborhood, offset, gd); }

  virtual void Initialize(const RadiusType & r)
  {
    Superclass::Initialize(r);

    this->SetAdvectionWeight(NumericTraits< ScalarValueType >::Zero);
    this->SetPropagationWeight(NumericTraits< ScalarValueType >::One);
    this->SetCurvatureWeight(NumericTraits< ScalarValueType >::One);
  }

protected:
  ShapeDetectionLevelSetFunction()
  {
    this->SetAdvectionWeight(NumericTraits< ScalarValueType >::Zero);
    this->SetPropagationWeight(NumericTraits< ScalarValueType >::One);
    this->SetCurvatureWeight(NumericTraits< ScalarValueType >::One);
  }

  virtual ~ShapeDetectionLevelSetFunction() {}

  ShapeDetectionLevelSetFunction(const Self &); //purposely not implemented
  void operator=(const Self &);                 //purposely not implemented
};
} // end namespace itk

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

#endif