ITK
4.1.0
Insight Segmentation and Registration Toolkit
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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 __itkMahalanobisDistanceThresholdImageFunction_h 00019 #define __itkMahalanobisDistanceThresholdImageFunction_h 00020 00021 #include "itkImageFunction.h" 00022 #include "itkMahalanobisDistanceMembershipFunction.h" 00023 00024 namespace itk 00025 { 00048 template< class TInputImage, class TCoordRep = float > 00049 class ITK_EXPORT MahalanobisDistanceThresholdImageFunction: 00050 public ImageFunction< TInputImage, bool, TCoordRep > 00051 { 00052 public: 00054 typedef MahalanobisDistanceThresholdImageFunction Self; 00055 typedef ImageFunction< TInputImage, bool, TCoordRep > Superclass; 00056 typedef SmartPointer< Self > Pointer; 00057 typedef SmartPointer< const Self > ConstPointer; 00058 00060 itkTypeMacro(MahalanobisDistanceThresholdImageFunction, ImageFunction); 00061 00063 itkNewMacro(Self); 00064 00066 typedef typename Superclass::InputImageType InputImageType; 00067 00069 typedef typename TInputImage::PixelType PixelType; 00070 00072 itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension); 00073 00075 typedef typename Superclass::PointType PointType; 00076 00078 typedef typename Superclass::IndexType IndexType; 00079 00081 typedef typename Superclass::ContinuousIndexType ContinuousIndexType; 00082 00084 typedef vnl_matrix< double > CovarianceMatrixType; 00085 00087 typedef vnl_vector< double > MeanVectorType; 00088 00097 virtual bool Evaluate(const PointType & point) const; 00098 00107 virtual bool EvaluateAtContinuousIndex( 00108 const ContinuousIndexType & index) const; 00109 00118 virtual bool EvaluateAtIndex(const IndexType & index) const; 00119 00126 virtual double EvaluateDistance(const PointType & point) const; 00127 00134 virtual double EvaluateDistanceAtIndex(const IndexType & index) const; 00135 00137 itkGetConstReferenceMacro(Threshold, double); 00138 itkSetMacro(Threshold, double); 00140 00142 void SetMean(const MeanVectorType & mean); 00143 00145 const MeanVectorType & GetMean() const; 00146 00149 void SetCovariance(const CovarianceMatrixType & cov); 00150 00152 const CovarianceMatrixType & GetCovariance() const; 00153 00154 protected: 00155 MahalanobisDistanceThresholdImageFunction(); 00156 ~MahalanobisDistanceThresholdImageFunction(){} 00157 void PrintSelf(std::ostream & os, Indent indent) const; 00158 00159 private: 00160 MahalanobisDistanceThresholdImageFunction(const Self &); //purposely not 00161 // implemented 00162 void operator=(const Self &); //purposely not 00163 00164 // implemented 00165 00166 double m_Threshold; 00167 00168 // This is intended only for Image of Vector pixel type. 00169 typedef Statistics::MahalanobisDistanceMembershipFunction< 00170 PixelType 00171 > MahalanobisDistanceFunctionType; 00172 00173 typedef typename MahalanobisDistanceFunctionType::Pointer MahalanobisDistanceFunctionPointer; 00174 MahalanobisDistanceFunctionPointer m_MahalanobisDistanceMembershipFunction; 00175 00176 // Cached versions of the mean and covariance to manage the 00177 // difference in vector/matrix types between this class and the 00178 // membership function used internally. 00179 MeanVectorType m_Mean; 00180 CovarianceMatrixType m_Covariance; 00181 }; 00182 } // end namespace itk 00183 00184 #ifndef ITK_MANUAL_INSTANTIATION 00185 #include "itkMahalanobisDistanceThresholdImageFunction.hxx" 00186 #endif 00187 00188 #endif 00189