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itkHoughTransform2DCirclesImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkHoughTransform2DCirclesImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2010-02-03 18:53:41 $
00007   Version:   $Revision: 1.14 $
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 __itkHoughTransform2DCirclesImageFilter_h
00018 #define __itkHoughTransform2DCirclesImageFilter_h
00019 
00020 #ifdef _MSC_VER
00021 #pragma warning ( disable : 4786 )
00022 #endif
00023 
00024 #include "itkImageToImageFilter.h"
00025 #include "itkImage.h"
00026 #include "itkEllipseSpatialObject.h"
00027 
00028 namespace itk
00029 {
00030 
00052 template<typename TInputPixelType, typename TOutputPixelType>
00053 class ITK_EXPORT HoughTransform2DCirclesImageFilter :
00054     public ImageToImageFilter< Image<TInputPixelType,2>, Image<TOutputPixelType,2> >
00055 {
00056 public:
00057    
00059   typedef HoughTransform2DCirclesImageFilter Self;
00060 
00062   typedef Image<TInputPixelType,2>              InputImageType;
00063   typedef typename InputImageType::Pointer      InputImagePointer;
00064   typedef typename InputImageType::ConstPointer InputImageConstPointer;
00065 
00067   typedef Image<TOutputPixelType,2>         OutputImageType;
00068   typedef typename OutputImageType::Pointer OutputImagePointer;
00069 
00070 
00072   typedef ImageToImageFilter<
00073     Image<TInputPixelType,2>
00074     , Image<TOutputPixelType,2> >  Superclass;
00075 
00077   typedef SmartPointer<Self>        Pointer;
00078   typedef SmartPointer<const Self>  ConstPointer;
00079 
00081   typedef typename InputImageType::IndexType IndexType;
00082 
00084   typedef typename InputImageType::PixelType PixelType;
00085 
00087   typedef typename InputImageType::RegionType OutputImageRegionType;
00088 
00090   typedef EllipseSpatialObject<2>      CircleType;
00091   typedef typename CircleType::Pointer CirclePointer;
00092   typedef std::list<CirclePointer>     CirclesListType;
00093 
00095   itkTypeMacro( HoughTransform2DCirclesImageFilter, ImageToImageFilter );
00096 
00098   itkNewMacro(Self);  
00099 
00101   void GenerateData();
00102 
00104   void SetRadius(double radius);
00105 
00107   itkSetMacro(MinimumRadius,double);
00108 
00110   itkSetMacro(MaximumRadius,double);
00111 
00114   itkSetMacro(Threshold,double);
00115 
00117   itkGetConstMacro(Threshold,double);
00118 
00120   itkGetObjectMacro(RadiusImage,OutputImageType);
00121 
00123   itkSetMacro(SigmaGradient,double);
00124 
00126   itkGetConstMacro(SigmaGradient,double);
00127 
00129   CirclesListType & GetCircles(unsigned int n=0);
00130 
00132   itkSetMacro(NumberOfCircles,unsigned int);
00133   itkGetConstMacro(NumberOfCircles,unsigned int);
00135 
00138   itkSetMacro(DiscRadiusRatio,float);
00139   itkGetConstMacro(DiscRadiusRatio,float);
00141 
00143   itkSetMacro(Variance,float);
00144   itkGetConstMacro(Variance,float);
00146 
00148   itkSetMacro(SweepAngle,float);
00149   itkGetConstMacro(SweepAngle,float);
00151 
00152 #ifdef ITK_USE_CONCEPT_CHECKING
00153 
00154   itkConceptMacro(IntConvertibleToOutputCheck,
00155     (Concept::Convertible<int, TOutputPixelType>));
00156   itkConceptMacro(InputGreaterThanDoubleCheck,
00157     (Concept::GreaterThanComparable<PixelType, double>));
00158   itkConceptMacro(OutputPlusIntCheck,
00159     (Concept::AdditiveOperators<TOutputPixelType, int>));
00160   itkConceptMacro(OutputDividedByIntCheck,
00161     (Concept::DivisionOperators<TOutputPixelType, int>));
00162 
00164 #endif
00165 
00166 protected:
00167 
00168   HoughTransform2DCirclesImageFilter();
00169   virtual ~HoughTransform2DCirclesImageFilter() {};
00170 
00171   void PrintSelf(std::ostream& os, Indent indent) const;
00172 
00176   void GenerateInputRequestedRegion();
00177 
00182   void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));
00183 
00184 private:
00185 
00186   HoughTransform2DCirclesImageFilter(const Self&);
00187   void operator=(const Self&);
00188 
00189   float  m_SweepAngle;
00190   double m_MinimumRadius;
00191   double m_MaximumRadius;
00192   double m_Threshold;
00193   double m_SigmaGradient;
00194 
00195   OutputImagePointer m_RadiusImage;
00196   CirclesListType    m_CirclesList;
00197   unsigned int       m_NumberOfCircles;
00198   float              m_DiscRadiusRatio;
00199   float              m_Variance;
00200   unsigned long      m_OldModifiedTime;
00201   unsigned long      m_OldNumberOfCircles;
00202 
00203 };
00204 
00205 } // end namespace itk
00206 
00207 #ifndef ITK_MANUAL_INSTANTIATION
00208 #include "itkHoughTransform2DCirclesImageFilter.txx"
00209 #endif
00210 
00211 #endif
00212 

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