ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkRobustAutomaticThresholdImageFilter.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 __itkRobustAutomaticThresholdImageFilter_h
00019 #define __itkRobustAutomaticThresholdImageFilter_h
00020 
00021 #include "itkImageToImageFilter.h"
00022 #include "itkRobustAutomaticThresholdCalculator.h"
00023 
00024 namespace itk
00025 {
00050 template< class TInputImage, class TGradientImage = TInputImage, class TOutputImage = TInputImage >
00051 class ITK_EXPORT RobustAutomaticThresholdImageFilter:
00052   public ImageToImageFilter< TInputImage, TOutputImage >
00053 {
00054 public:
00056   typedef RobustAutomaticThresholdImageFilter             Self;
00057   typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
00058   typedef SmartPointer< Self >                            Pointer;
00059   typedef SmartPointer< const Self >                      ConstPointer;
00060 
00062   itkNewMacro(Self);
00063 
00065   itkTypeMacro(RobustAutomaticThresholdImageFilter, ImageToImageFilter);
00066 
00068   typedef TInputImage    InputImageType;
00069   typedef TGradientImage GradientImageType;
00070 
00072   typedef typename TInputImage::PixelType    InputPixelType;
00073   typedef typename TOutputImage::PixelType   OutputPixelType;
00074   typedef typename TGradientImage::PixelType GradientPixelType;
00075 
00077   typedef typename TInputImage::Pointer    InputImagePointer;
00078   typedef typename TOutputImage::Pointer   OutputImagePointer;
00079   typedef typename TGradientImage::Pointer GradientImagePointer;
00080 
00081   typedef typename TInputImage::SizeType    InputSizeType;
00082   typedef typename TInputImage::IndexType   InputIndexType;
00083   typedef typename TInputImage::RegionType  InputImageRegionType;
00084   typedef typename TOutputImage::SizeType   OutputSizeType;
00085   typedef typename TOutputImage::IndexType  OutputIndexType;
00086   typedef typename TOutputImage::RegionType OutputImageRegionType;
00087 
00088   typedef RobustAutomaticThresholdCalculator< TInputImage, TGradientImage >
00089   CalculatorType;
00090 
00092   itkStaticConstMacro(InputImageDimension, unsigned int,
00093                       TInputImage::ImageDimension);
00094   itkStaticConstMacro(OutputImageDimension, unsigned int,
00095                       TOutputImage::ImageDimension);
00097 
00100   itkSetMacro(OutsideValue, OutputPixelType);
00101 
00103   itkGetConstMacro(OutsideValue, OutputPixelType);
00104 
00107   itkSetMacro(InsideValue, OutputPixelType);
00108 
00110   itkGetConstMacro(InsideValue, OutputPixelType);
00111 
00113   itkGetConstMacro(Threshold, InputPixelType);
00114 
00115   itkSetMacro(Pow, double);
00116   itkGetConstMacro(Pow, double);
00117 
00118 #ifdef ITK_USE_CONCEPT_CHECKING
00119 
00120   itkConceptMacro( OutputComparableCheck,
00121                    ( Concept::Comparable< OutputPixelType > ) );
00122   itkConceptMacro( OutputOStreamWritableCheck,
00123                    ( Concept::OStreamWritable< OutputPixelType > ) );
00124 
00126 #endif
00127 
00129   void SetGradientImage(GradientImageType *input)
00130   {
00131     // Process object is not const-correct so the const casting is required.
00132     this->SetNthInput( 1, const_cast< GradientImageType * >( input ) );
00133   }
00134 
00136   GradientImageType * GetGradientImage()
00137   {
00138     return static_cast< GradientImageType * >( const_cast< DataObject * >( this->ProcessObject::GetInput(1) ) );
00139   }
00140 
00142   void SetInput1(TInputImage *input)
00143   {
00144     this->SetInput(input);
00145   }
00146 
00148   void SetInput2(GradientImageType *input)
00149   {
00150     this->SetGradientImage(input);
00151   }
00152 
00153 protected:
00154   RobustAutomaticThresholdImageFilter();
00155   ~RobustAutomaticThresholdImageFilter(){}
00156   void PrintSelf(std::ostream & os, Indent indent) const;
00157 
00158   void GenerateInputRequestedRegion();
00159 
00160   void GenerateData();
00161 
00162 private:
00163   RobustAutomaticThresholdImageFilter(const Self &); //purposely not implemented
00164   void operator=(const Self &);                      //purposely not implemented
00165 
00166   double          m_Pow;
00167   InputPixelType  m_Threshold;
00168   OutputPixelType m_InsideValue;
00169   OutputPixelType m_OutsideValue;
00170 }; // end of class
00171 } // end namespace itk
00172 
00173 #ifndef ITK_MANUAL_INSTANTIATION
00174 #include "itkRobustAutomaticThresholdImageFilter.hxx"
00175 #endif
00176 
00177 #endif
00178