ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkRobustAutomaticThresholdCalculator.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 __itkRobustAutomaticThresholdCalculator_h
00019 #define __itkRobustAutomaticThresholdCalculator_h
00020 
00021 #include "itkMacro.h"
00022 #include "itkImage.h"
00023 
00024 namespace itk
00025 {
00040 template< class TInputImage, class TGradientImage >
00041 class ITK_EXPORT RobustAutomaticThresholdCalculator:public Object
00042 {
00043 public:
00045   typedef RobustAutomaticThresholdCalculator Self;
00046   typedef Object                             Superclass;
00047   typedef SmartPointer< Self >               Pointer;
00048   typedef SmartPointer< const Self >         ConstPointer;
00049 
00051   itkNewMacro(Self);
00052 
00054   itkTypeMacro(RobustAutomaticThresholdCalculator, Object);
00055 
00057   itkStaticConstMacro(ImageDimension, unsigned int,
00058                       TInputImage::ImageDimension);
00059 
00061   typedef TInputImage    InputImageType;
00062   typedef TGradientImage GradientImageType;
00063 
00065   typedef typename InputImageType::Pointer         InputImagePointer;
00066   typedef typename InputImageType::ConstPointer    InputImageConstPointer;
00067   typedef typename GradientImageType::Pointer      GradientImagePointer;
00068   typedef typename GradientImageType::ConstPointer GradientImageConstPointer;
00069   typedef typename InputImageType::PixelType       InputPixelType;
00070   typedef typename GradientImageType::PixelType    GradientPixelType;
00071 
00073   virtual void SetInput(const InputImageType *image)
00074   {
00075     if ( m_Input != image )
00076       {
00077       m_Input = image;
00078       this->Modified();
00079       m_Valid = false;
00080       }
00081   }
00083 
00084   virtual void SetGradient(const GradientImageType *image)
00085   {
00086     if ( m_Gradient != image )
00087       {
00088       m_Gradient = image;
00089       this->Modified();
00090       m_Valid = false;
00091       }
00092   }
00093 
00094   itkSetMacro(Pow, double);
00095   itkGetConstMacro(Pow, double);
00096 
00102   void Compute(void);
00103 
00104   const InputPixelType & GetOutput() const;
00105 
00106 protected:
00107   RobustAutomaticThresholdCalculator();
00108   virtual ~RobustAutomaticThresholdCalculator() {}
00109   void PrintSelf(std::ostream & os, Indent indent) const;
00110 
00111 private:
00112   RobustAutomaticThresholdCalculator(const Self &); //purposely not implemented
00113   void operator=(const Self &);                     //purposely not implemented
00114 
00115   bool           m_Valid;                      // Have moments been computed
00116                                                // yet?
00117   double         m_Pow;
00118   InputPixelType m_Output;
00119 
00120   InputImageConstPointer    m_Input;
00121   GradientImageConstPointer m_Gradient;
00122 };  // class RobustAutomaticThresholdCalculator
00123 } // end namespace itk
00124 
00125 #ifndef ITK_MANUAL_INSTANTIATION
00126 #include "itkRobustAutomaticThresholdCalculator.hxx"
00127 #endif
00128 
00129 #endif /* __itkRobustAutomaticThresholdCalculator_h */
00130