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itkActiveShapeModelGradientSearchMethod.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkActiveShapeModelGradientSearchMethod.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-02-01 13:08:40 $
00007   Version:   $Revision: 1.2 $
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 __itkActiveShapeModelGradientSearchMethod_h
00018 #define __itkActiveShapeModelGradientSearchMethod_h
00019 
00020 #include <time.h>
00021 #include <math.h>
00022 
00023 #include "vnl/vnl_vector.h"
00024 #include "vnl/vnl_matrix.h"
00025 #include "vnl/vnl_math.h"
00026 
00027 #include "itkImageToImageFilter.h"
00028 #include "itkImage.h"
00029 #include "itkNumericTraits.h"
00030 
00031 
00032 #include "itkImageRegionConstIterator.h"
00033 
00034 #include "itkGradientMagnitudeImageFilter.h"
00035 
00036 
00037 #include "itkVector.h"
00038 #include "itkListSample.h"
00039 #include "itkExceptionObject.h"
00040 
00041 #include "itkConceptChecking.h"
00042 
00043 #include <vector>
00044 #include <list>
00045 
00046 namespace itk {
00047 
00063 template < class TImage >
00064 class ITK_EXPORT ActiveShapeModelGradientSearchMethod : public Object
00065 {
00066 public:
00067 
00069   typedef ActiveShapeModelGradientSearchMethod<TImage>                   Self;
00070   typedef Object                                                         Superclass;
00071   typedef SmartPointer<Self>                                             Pointer;
00072   typedef SmartPointer<const Self>                                       ConstPointer;
00073 
00075   itkNewMacro(Self);
00076 
00078   itkTypeMacro(ActiveShapeModelGradientSearchMethod, Object);
00079 
00081   typedef TImage                                                         InputImageType;
00082   typedef Image< double, 2 >                                             Image2DType;
00083 
00085   typedef typename InputImageType::RegionType   RegionType;
00086 
00088   typedef typename RegionType::IndexType  IndexType;
00089 
00091   typedef typename InputImageType::PixelType PixelType;
00092 
00094   typedef typename RegionType::SizeType   SizeType;
00095 
00097   typedef typename InputImageType::ConstPointer InputImagePointer;
00098 
00100   typedef GradientMagnitudeImageFilter< InputImageType, Image2DType>      GradientFilterType;
00101 
00103   typedef Vector< unsigned int, 2 >                                       MeasurementVectorUIntType;
00104   typedef Vector< double, 2 >                                             MeasurementVectorDoubleType;
00105   typedef std::vector<unsigned int>                                       VectorType;
00106   typedef vnl_vector<double>                                              VectorOfDoubleType;
00107 
00109   typedef vnl_matrix<double>                                              MatrixOfDoubleType;
00110 
00112   typedef Statistics::ListSample< MeasurementVectorUIntType >             SampleType;
00113 
00115   typedef ImageRegionConstIterator< Image2DType  >                        ConstIteratorType;
00116 
00118   virtual void SetImage( const InputImageType * image )
00119     {
00120     if ( m_Image != image )
00121       {
00122       m_Image = image;
00123       this->Modified();
00124       m_Valid = false;
00125       }
00126     }
00128 
00130   itkSetMacro( LenghtOfProfile, unsigned int );
00131   itkGetMacro( LenghtOfProfile, unsigned int );
00133 
00135   itkSetMacro( NumberOfIteration, unsigned int );
00136   itkGetMacro( NumberOfIteration, unsigned int );
00138 
00140   itkSetMacro( MeanShape, VectorOfDoubleType );
00141   itkGetMacro( MeanShape, VectorOfDoubleType );
00143 
00145   itkSetMacro( EigenValues, VectorOfDoubleType );
00146   itkGetMacro( EigenValues, VectorOfDoubleType );
00148 
00150   itkSetMacro( EigenVectors, MatrixOfDoubleType );
00151   itkGetMacro( EigenVectors, MatrixOfDoubleType );
00153 
00154 
00160   void GenerateData( );
00161 
00164   VectorOfDoubleType  GetNewShape();
00165 
00166 protected:
00167   ActiveShapeModelGradientSearchMethod();
00168  ~ActiveShapeModelGradientSearchMethod() {};
00169 
00170   void PrintSelf(std::ostream& os, Indent indent) const;
00171 
00172 
00173 private:
00174   ActiveShapeModelGradientSearchMethod(const Self&); //purposely not implemented
00175   void operator=(const Self&); //purposely not implemented
00176 
00177   bool                  m_Valid;                      // Have parameters been computed yet?
00178   VectorOfDoubleType    m_MeanShape; 
00179   MatrixOfDoubleType    m_EigenVectors;
00180   VectorOfDoubleType    m_EigenValues;
00181   unsigned int          m_LenghtOfProfile;
00182   unsigned int          m_NumberOfIteration;
00183   VectorOfDoubleType    m_DiffVector;
00184   VectorOfDoubleType    m_Db;
00185   VectorOfDoubleType    m_Blimit;
00186   VectorOfDoubleType    m_NewShape;
00187   InputImagePointer     m_Image;
00188 
00189 
00190 }; // class ActiveShapeModelGradientSearchMethod
00191 
00192 } // end of namespace itk
00193 
00194 #ifndef ITK_MANUAL_INSTANTIATION
00195 #include "itkActiveShapeModelGradientSearchMethod.txx"
00196 #endif
00197 
00198 #endif
00199 

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