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itkFrequencyDomain1DImageFilter.h
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itkFrequencyDomain1DImageFilter.h
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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkFrequencyDomain1DImageFilter_h
#define itkFrequencyDomain1DImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkFrequencyDomain1DFilterFunction.h"
namespace itk
{
/** \class FrequencyDomain1DImageFilter
* \brief Filter a frequency domain along a single direction.
*
* Apply a 1D filter along a given direction (SetDirection) to an input image.
* The input image is expected to be an image with 1D frequency aloing a single
* direction,such as generated by Forward1DFFTImageFilter.
*
* The default filter is an identity function. To implement a particalar filter
* subclass FrequencyDomain1DFilterFunction and override the
* FrequencyDomain1DFilterFunction::Evaluate function
*
* \ingroup FourierTransform
* \ingroup Ultrasound
*/
template <typename TInputImage, typename TOutputImage = TInputImage>
class ITK_TEMPLATE_EXPORT FrequencyDomain1DImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
ITK_DISALLOW_COPY_AND_ASSIGN(FrequencyDomain1DImageFilter);
/** Standard class type alias. */
using InputImageType = TInputImage;
using OutputImageType = TOutputImage;
using OutputImageRegionType = typename OutputImageType::RegionType;
itkStaticConstMacro(ImageDimension, unsigned int, InputImageType::ImageDimension);
using Self = FrequencyDomain1DImageFilter;
using Superclass = ImageToImageFilter<InputImageType, OutputImageType>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
itkTypeMacro(FrequencyDomain1DImageFilter, ImageToImageFilter);
itkNewMacro(Self);
itkSetMacro(Direction, unsigned int);
itkGetMacro(Direction, unsigned int);
void
SetFilterFunction(FrequencyDomain1DFilterFunction * function)
{
m_FilterFunction = function;
};
protected:
FrequencyDomain1DImageFilter();
~FrequencyDomain1DImageFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
// These behave like their analogs in Forward1DFFTImageFilter.
void
GenerateInputRequestedRegion() override;
void
EnlargeOutputRequestedRegion(DataObject * output) override;
void
GenerateData() override;
private:
FrequencyDomain1DFilterFunction::Pointer m_FilterFunction;
unsigned int m_Direction;
};
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkFrequencyDomain1DImageFilter.hxx"
#endif
#endif // itkFrequencyDomain1DImageFilter_h