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 __itkEdgePotentialImageFilter_h 00019 #define __itkEdgePotentialImageFilter_h 00020 00021 #include "itkUnaryFunctorImageFilter.h" 00022 00023 namespace itk 00024 { 00037 namespace Functor 00038 { 00039 template< class TInput, class TOutput > 00040 class EdgePotential 00041 { 00042 public: 00043 EdgePotential() {} 00044 ~EdgePotential() {} 00045 bool operator!=(const EdgePotential &) const 00046 { 00047 return false; 00048 } 00049 00050 bool operator==(const EdgePotential & other) const 00051 { 00052 return !( *this != other ); 00053 } 00054 00055 inline TOutput operator()(const TInput & A) const 00056 { 00057 return static_cast< TOutput >( vcl_exp( -1.0 * A.GetNorm() ) ); 00058 } 00059 }; 00060 } 00061 00062 template< class TInputImage, class TOutputImage > 00063 class ITK_EXPORT EdgePotentialImageFilter: 00064 public 00065 UnaryFunctorImageFilter< TInputImage, TOutputImage, 00066 Functor::EdgePotential< 00067 typename TInputImage::PixelType, 00068 typename TOutputImage::PixelType > > 00069 { 00070 public: 00072 typedef EdgePotentialImageFilter Self; 00073 typedef UnaryFunctorImageFilter< TInputImage, TOutputImage, 00074 Functor::EdgePotential< 00075 typename TInputImage::PixelType, 00076 typename TOutputImage::PixelType > 00077 > Superclass; 00078 00079 typedef SmartPointer< Self > Pointer; 00080 typedef SmartPointer< const Self > ConstPointer; 00081 00083 itkNewMacro(Self); 00084 00086 itkTypeMacro(EdgePotentialImageFilter, 00087 UnaryFunctorImageFilter); 00088 00089 #ifdef ITK_USE_CONCEPT_CHECKING 00090 00091 itkConceptMacro( InputHasNumericTraitsCheck, 00092 ( Concept::HasNumericTraits< typename TInputImage::PixelType::ValueType > ) ); 00093 00095 #endif 00096 protected: 00097 EdgePotentialImageFilter() {} 00098 virtual ~EdgePotentialImageFilter() {} 00099 private: 00100 EdgePotentialImageFilter(const Self &); //purposely not implemented 00101 void operator=(const Self &); //purposely not implemented 00102 }; 00103 } // end namespace itk 00105 00106 #endif 00107