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 __itkMinimumProjectionImageFilter_h 00019 #define __itkMinimumProjectionImageFilter_h 00020 00021 #include "itkProjectionImageFilter.h" 00022 #include "itkConceptChecking.h" 00023 00024 namespace itk 00025 { 00046 namespace Functor 00047 { 00048 template< class TInputPixel > 00049 class MinimumAccumulator 00050 { 00051 public: 00052 MinimumAccumulator( SizeValueType ) {} 00053 ~MinimumAccumulator(){} 00054 00055 inline void Initialize() 00056 { 00057 m_Minimum = NumericTraits< TInputPixel >::max(); 00058 } 00059 00060 inline void operator()(const TInputPixel & input) 00061 { 00062 m_Minimum = vnl_math_min(m_Minimum, input); 00063 } 00064 00065 inline TInputPixel GetValue() 00066 { 00067 return m_Minimum; 00068 } 00069 00070 TInputPixel m_Minimum; 00071 }; 00072 } // end namespace Function 00073 00074 template< class TInputImage, class TOutputImage > 00075 class ITK_EXPORT MinimumProjectionImageFilter:public 00076 ProjectionImageFilter< TInputImage, TOutputImage, 00077 Functor::MinimumAccumulator< typename TInputImage::PixelType > > 00078 { 00079 public: 00080 typedef MinimumProjectionImageFilter Self; 00081 typedef ProjectionImageFilter< TInputImage, TOutputImage, 00082 Functor::MinimumAccumulator< 00083 typename TInputImage::PixelType > > Superclass; 00084 00085 typedef TInputImage InputImageType; 00086 typedef typename InputImageType::PixelType InputPixelType; 00087 00088 typedef SmartPointer< Self > Pointer; 00089 typedef SmartPointer< const Self > ConstPointer; 00090 00092 itkTypeMacro(MinimumProjectionImageFilter, ProjectionImageFilter); 00093 00095 itkNewMacro(Self); 00096 00097 #ifdef ITK_USE_CONCEPT_CHECKING 00098 00099 itkConceptMacro( InputPixelTypeGreaterThanComparable, 00100 ( Concept::LessThanComparable< InputPixelType > ) ); 00101 itkConceptMacro( InputHasNumericTraitsCheck, 00102 ( Concept::HasNumericTraits< InputPixelType > ) ); 00103 00105 #endif 00106 protected: 00107 MinimumProjectionImageFilter() {} 00108 virtual ~MinimumProjectionImageFilter() {} 00109 private: 00110 MinimumProjectionImageFilter(const Self &); //purposely not implemented 00111 void operator=(const Self &); //purposely not implemented 00112 }; // end 00113 // MinimumProjectionImageFilter 00114 } //end namespace itk 00116 00117 #endif 00118