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itkOtsuThresholdImageCalculator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkOtsuThresholdImageCalculator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006-03-28 23:46:10 $
00007   Version:   $Revision: 1.7 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkOtsuThresholdImageCalculator_h
00018 #define __itkOtsuThresholdImageCalculator_h
00019 
00020 #include "itkObject.h"
00021 #include "itkObjectFactory.h"
00022 #include "itkNumericTraits.h"
00023 
00024 namespace itk
00025 {
00026 
00042 template <class TInputImage>            
00043 class ITK_EXPORT OtsuThresholdImageCalculator : public Object 
00044 {
00045 public:
00047   typedef OtsuThresholdImageCalculator Self;
00048   typedef Object  Superclass;
00049   typedef SmartPointer<Self>   Pointer;
00050   typedef SmartPointer<const Self>  ConstPointer;
00051 
00053   itkNewMacro(Self);
00054 
00056   itkTypeMacro(OtsuThresholdImageCalculator, Object);
00057 
00059   typedef TInputImage  ImageType;
00060 
00062   typedef typename TInputImage::Pointer  ImagePointer;
00063 
00065   typedef typename TInputImage::ConstPointer ImageConstPointer;
00066 
00068   typedef typename TInputImage::PixelType PixelType;
00069 
00071   typedef typename TInputImage::RegionType RegionType;
00072 
00074   itkSetConstObjectMacro(Image,ImageType);
00075 
00077   void Compute(void);
00078 
00080   itkGetMacro(Threshold,PixelType);
00081 
00083   itkSetClampMacro( NumberOfHistogramBins, unsigned long, 1, 
00084                     NumericTraits<unsigned long>::max() );
00085   itkGetMacro( NumberOfHistogramBins, unsigned long );
00087 
00089   void SetRegion( const RegionType & region );
00090 
00091 protected:
00092   OtsuThresholdImageCalculator();
00093   virtual ~OtsuThresholdImageCalculator() {};
00094   void PrintSelf(std::ostream& os, Indent indent) const;
00095 
00096 private:
00097   OtsuThresholdImageCalculator(const Self&); //purposely not implemented
00098   void operator=(const Self&); //purposely not implemented
00099   
00100   PixelType            m_Threshold;
00101   unsigned long        m_NumberOfHistogramBins;
00102   ImageConstPointer    m_Image;
00103   RegionType           m_Region;
00104   bool                 m_RegionSetByUser;
00105 
00106 };
00107 
00108 } // end namespace itk
00109 
00110 
00111 #ifndef ITK_MANUAL_INSTANTIATION
00112 #include "itkOtsuThresholdImageCalculator.txx"
00113 #endif
00114 
00115 #endif
00116 

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