ITK
4.0.0
Insight Segmentation and Registration Toolkit
|
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 __itkFFTConvolutionImageFilter_h 00019 #define __itkFFTConvolutionImageFilter_h 00020 00021 #include "itkConvolutionImageFilterBase.h" 00022 00023 #include "itkProgressAccumulator.h" 00024 #include "itkZeroFluxNeumannBoundaryCondition.h" 00025 00026 namespace itk 00027 { 00051 template< class TInputImage, class TKernelImage = TInputImage, class TOutputImage = TInputImage, class TInternalPrecision=double > 00052 class ITK_EXPORT FFTConvolutionImageFilter : 00053 public ConvolutionImageFilterBase< TInputImage, TKernelImage, TOutputImage > 00054 00055 { 00056 public: 00057 typedef FFTConvolutionImageFilter Self; 00058 typedef ConvolutionImageFilterBase< TInputImage, 00059 TKernelImage, 00060 TOutputImage > 00061 Superclass; 00062 typedef SmartPointer< Self > Pointer; 00063 typedef SmartPointer< const Self > ConstPointer; 00064 00066 itkNewMacro(Self); 00067 00069 itkTypeMacro(FFTConvolutionImageFilter, ConvolutionImageFilterBase); 00070 00072 itkStaticConstMacro(ImageDimension, unsigned int, 00073 TInputImage::ImageDimension); 00074 00075 typedef TInputImage InputImageType; 00076 typedef TOutputImage OutputImageType; 00077 typedef TKernelImage KernelImageType; 00078 typedef typename InputImageType::PixelType InputPixelType; 00079 typedef typename OutputImageType::PixelType OutputPixelType; 00080 typedef typename KernelImageType::PixelType KernelPixelType; 00081 typedef typename InputImageType::IndexType InputIndexType; 00082 typedef typename OutputImageType::IndexType OutputIndexType; 00083 typedef typename KernelImageType::IndexType KernelIndexType; 00084 typedef typename InputImageType::SizeType InputSizeType; 00085 typedef typename OutputImageType::SizeType OutputSizeType; 00086 typedef typename KernelImageType::SizeType KernelSizeType; 00087 typedef typename InputSizeType::SizeValueType SizeValueType; 00088 typedef typename InputImageType::RegionType InputRegionType; 00089 typedef typename OutputImageType::RegionType OutputRegionType; 00090 typedef typename KernelImageType::RegionType KernelRegionType; 00091 00093 typedef Image< TInternalPrecision, TInputImage::ImageDimension > InternalImageType; 00094 typedef typename InternalImageType::Pointer InternalImagePointerType; 00095 typedef std::complex< TInternalPrecision > InternalComplexType; 00096 typedef Image< InternalComplexType, TInputImage::ImageDimension > InternalComplexImageType; 00097 typedef typename InternalComplexImageType::Pointer InternalComplexImagePointerType; 00098 00100 typedef typename Superclass::BoundaryConditionType BoundaryConditionType; 00101 typedef typename Superclass::BoundaryConditionPointerType BoundaryConditionPointerType; 00102 00103 protected: 00104 FFTConvolutionImageFilter(); 00105 ~FFTConvolutionImageFilter() {} 00106 00114 void GenerateInputRequestedRegion(); 00115 00117 void GenerateData(); 00118 00123 void PrepareInputs(InternalComplexImagePointerType & preparedInput, 00124 InternalComplexImagePointerType & preparedKernel, 00125 ProgressAccumulator * progress, 00126 float progressWeight); 00127 00129 void ProduceOutput(InternalComplexImageType * paddedOutput, 00130 ProgressAccumulator * progress, 00131 float progressWeight); 00132 00134 InputSizeType GetPadSize() const; 00135 00137 bool GetXDimensionIsOdd() const; 00138 00139 private: 00140 FFTConvolutionImageFilter(const Self &); //purposely not implemented 00141 void operator=(const Self &); //purposely not implemented 00142 }; 00143 } 00144 00145 #ifndef ITK_MANUAL_INSTANTIATION 00146 #include "itkFFTConvolutionImageFilter.hxx" 00147 #endif 00148 00149 #endif 00150