ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkFastChamferDistanceImageFilter.h
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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 __itkFastChamferDistanceImageFilter_h
00019 #define __itkFastChamferDistanceImageFilter_h
00020 
00021 #include "itkImageToImageFilter.h"
00022 #include "itkImageRegionIteratorWithIndex.h"
00023 #include "itkNarrowBand.h"
00024 
00025 namespace itk
00026 {
00054 template< class TInputImage, class TOutputImage >
00055 class ITK_EXPORT FastChamferDistanceImageFilter:
00056   public ImageToImageFilter< TInputImage, TOutputImage >
00057 {
00058 public:
00060   typedef FastChamferDistanceImageFilter                  Self;
00061   typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
00062   typedef SmartPointer< Self >                            Pointer;
00063   typedef SmartPointer< const Self >                      ConstPointer;
00064 
00066   itkNewMacro(Self);
00067 
00069   itkTypeMacro(FastChamferDistanceImageFilter, ImageToImageFilter);
00070 
00072   typedef   TInputImage InputImageType;
00073 
00075   typedef   TOutputImage OutputImageType;
00076 
00078   typedef typename InputImageType::RegionType RegionType;
00079 
00081   typedef typename InputImageType::PixelType PixelType;
00082 
00084   typedef typename RegionType::IndexType IndexType;
00085 
00087   typedef typename InputImageType::OffsetType OffsetType;
00088 
00090   typedef typename RegionType::SizeType SizeType;
00091 
00093   itkStaticConstMacro(ImageDimension, unsigned int,
00094                       InputImageType::ImageDimension);
00095   itkStaticConstMacro(OutputImageDimension, unsigned int,
00096                       OutputImageType::ImageDimension);
00098 
00100   typedef typename InputImageType::ConstPointer InputImagePointer;
00101 
00103   typedef BandNode< IndexType, PixelType > BandNodeType;
00104   typedef NarrowBand< BandNodeType >       NarrowBandType;
00105   typedef typename NarrowBandType::Pointer NarrowBandPointer;
00106 
00107   typedef FixedArray< float, ImageDimension > WeightsType;
00108 
00110   itkSetMacro(Weights, WeightsType);
00111   itkGetConstReferenceMacro(Weights, WeightsType);
00113 
00115   itkSetMacro(MaximumDistance, float);
00116   itkGetConstMacro(MaximumDistance, float);
00118 
00120   void SetRegionToProcess(const RegionType & r);
00121 
00122   RegionType GetRegionToProcess() const;
00123 
00124   void SetNarrowBand(NarrowBandType *ptr);
00125 
00126   NarrowBandPointer GetNarrowBand() const;
00127 
00128 #ifdef ITK_USE_CONCEPT_CHECKING
00129 
00130   itkConceptMacro( SameDimensionCheck,
00131                    ( Concept::SameDimension< ImageDimension, OutputImageDimension > ) );
00132   itkConceptMacro( SameTypeCheck,
00133                    ( Concept::SameType< PixelType, typename TOutputImage::PixelType > ) );
00134   itkConceptMacro( FloatConvertibleToPixelTypeCheck,
00135                    ( Concept::Convertible< float, PixelType > ) );
00136   itkConceptMacro( PixelTypeConvertibleToFloatCheck,
00137                    ( Concept::Convertible< PixelType, float > ) );
00138   itkConceptMacro( PixelTypeGreaterThanFloatCheck,
00139                    ( Concept::GreaterThanComparable< PixelType, float > ) );
00140   itkConceptMacro( PixelTypeLessThanFloatCheck,
00141                    ( Concept::LessThanComparable< PixelType, float > ) );
00142   itkConceptMacro( PixelTypeFloatAdditiveOperatorsCheck,
00143                    ( Concept::AdditiveOperators< PixelType, float, float > ) );
00144   itkConceptMacro( FloatGreaterThanPixelTypeCheck,
00145                    ( Concept::GreaterThanComparable< float, PixelType > ) );
00146   itkConceptMacro( FloatLessThanPixelTypeCheck,
00147                    ( Concept::LessThanComparable< float, PixelType > ) );
00148 
00150 #endif
00151 protected:
00152   FastChamferDistanceImageFilter();
00153   virtual ~FastChamferDistanceImageFilter() {}
00154   void PrintSelf(std::ostream & os, Indent indent) const;
00156 
00159   void GenerateDataND();
00160 
00163   void GenerateData();
00164 
00165 private:
00166   FastChamferDistanceImageFilter(const Self &); //purposely not implemented
00167   void operator=(const Self &);                 //purposely not implemented
00168 
00169   float m_MaximumDistance;
00170 
00172   WeightsType m_Weights;
00173 
00174   NarrowBandPointer m_NarrowBand;
00175 
00177   RegionType m_RegionToProcess;
00178 }; // end of FastChamferDistanceImageFilter class
00179 } //end namespace itk
00180 
00181 #ifndef ITK_MANUAL_INSTANTIATION
00182 #include "itkFastChamferDistanceImageFilter.hxx"
00183 #endif
00184 
00185 #endif
00186