ITK
4.1.0
Insight Segmentation and Registration Toolkit
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00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 #ifndef __itkGeodesicActiveContourLevelSetFunction_h 00019 #define __itkGeodesicActiveContourLevelSetFunction_h 00020 00021 #include "itkSegmentationLevelSetFunction.h" 00022 00023 namespace itk 00024 { 00076 template< class TImageType, class TFeatureImageType = TImageType > 00077 class ITK_EXPORT GeodesicActiveContourLevelSetFunction: 00078 public SegmentationLevelSetFunction< TImageType, TFeatureImageType > 00079 { 00080 public: 00082 typedef GeodesicActiveContourLevelSetFunction Self; 00083 typedef SegmentationLevelSetFunction< TImageType, TFeatureImageType > 00084 Superclass; 00085 typedef SmartPointer< Self > Pointer; 00086 typedef SmartPointer< const Self > ConstPointer; 00087 typedef TFeatureImageType FeatureImageType; 00088 00090 itkNewMacro(Self); 00091 00093 itkTypeMacro(GeodesicActiveContourLevelSetFunction, SegmentationLevelSetFunction); 00094 00096 typedef typename Superclass::ImageType ImageType; 00097 typedef typename Superclass::NeighborhoodType NeighborhoodType; 00098 typedef typename Superclass::ScalarValueType ScalarValueType; 00099 typedef typename Superclass::FeatureScalarType FeatureScalarType; 00100 typedef typename Superclass::RadiusType RadiusType; 00101 typedef typename Superclass::FloatOffsetType FloatOffsetType; 00102 typedef typename Superclass::VectorImageType VectorImageType; 00103 typedef typename Superclass::GlobalDataStruct GlobalDataStruct; 00104 00106 itkStaticConstMacro(ImageDimension, unsigned int, 00107 Superclass::ImageDimension); 00108 00110 virtual void CalculateSpeedImage(); 00111 00113 virtual void CalculateAdvectionImage(); 00114 00116 virtual ScalarValueType CurvatureSpeed(const NeighborhoodType & neighborhood, 00117 const FloatOffsetType & offset, GlobalDataStruct *gd) const 00118 { 00119 return this->PropagationSpeed(neighborhood, offset, gd); 00120 } 00121 00124 void SetDerivativeSigma(const double v) 00125 { m_DerivativeSigma = v; } 00126 double GetDerivativeSigma() 00127 { return m_DerivativeSigma; } 00129 00130 virtual void Initialize(const RadiusType & r) 00131 { 00132 Superclass::Initialize(r); 00133 00134 this->SetAdvectionWeight(NumericTraits< ScalarValueType >::One); 00135 this->SetPropagationWeight(NumericTraits< ScalarValueType >::One); 00136 this->SetCurvatureWeight(NumericTraits< ScalarValueType >::One); 00137 } 00138 00139 protected: 00140 GeodesicActiveContourLevelSetFunction() 00141 { 00142 this->SetAdvectionWeight(NumericTraits< ScalarValueType >::One); 00143 this->SetPropagationWeight(NumericTraits< ScalarValueType >::One); 00144 this->SetCurvatureWeight(NumericTraits< ScalarValueType >::One); 00145 00146 m_DerivativeSigma = 1.0; 00147 } 00148 00149 virtual ~GeodesicActiveContourLevelSetFunction() {} 00150 00151 GeodesicActiveContourLevelSetFunction(const Self &); //purposely not 00152 // implemented 00153 void operator=(const Self &); //purposely not 00154 // implemented 00155 00156 void PrintSelf(std::ostream & os, Indent indent) const 00157 { 00158 Superclass::PrintSelf(os, indent); 00159 os << indent << "DerivativeSigma: " << m_DerivativeSigma << std::endl; 00160 } 00161 00162 private: 00163 double m_DerivativeSigma; 00164 }; 00165 } // end namespace itk 00166 00167 #ifndef ITK_MANUAL_INSTANTIATION 00168 #include "itkGeodesicActiveContourLevelSetFunction.hxx" 00169 #endif 00170 00171 #endif 00172