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itkBModeImageFilter.h
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itkBModeImageFilter.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
*
* http://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 itkBModeImageFilter_h
#define itkBModeImageFilter_h
#include "itkAddImageFilter.h"
#include "itkComplexToModulusImageFilter.h"
#include "itkConstantPadImageFilter.h"
#include "itkRegionFromReferenceImageFilter.h"
#include "itkImageToImageFilter.h"
#include "itkImage.h"
#include "itkLog10ImageFilter.h"
#include "itkAnalyticSignalImageFilter.h"
namespace itk
{
/**
* \class BModeImageFilter
*
* \brief Create an ultrasound B-Mode (Brightness-Mode) image from raw
* "RF" data. The RF's envelope is calculated from the analytic signal and
* logarithmic intensity transform is applied.
*
* Use SetDirection() to define the axis of propagation.
*
* Use SetFrequencyFilter() to add a filtering step before the analytic
* signal computation.
*
* \sa AnalyticSignalImageFilter
*
* \ingroup Ultrasound
*/
template <typename TInputImage,
typename TOutputImage = TInputImage,
typename TComplexImage = Image<std::complex<typename TInputImage::PixelType>, TInputImage::ImageDimension>>
class ITK_TEMPLATE_EXPORT BModeImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** Standard class type alias. */
using Self = BModeImageFilter;
using Superclass = ImageToImageFilter<TInputImage, TOutputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** The type of input image. */
using InputImageType = TInputImage;
/** Dimension of the input and output images. */
itkStaticConstMacro(ImageDimension, unsigned int, TInputImage::ImageDimension);
/** Typedef support for the input image scalar value type. */
using InputPixelType = typename InputImageType::PixelType;
/** The type of output image. */
using OutputImageType = TOutputImage;
/** Typedef support for the output image scalar value type. */
using OutputPixelType = typename OutputImageType::PixelType;
/** Typedef of the image used for internal computations that has
* std::complex pixels. */
using ComplexImageType = TComplexImage;
/** Other convenient type alias */
using InputRegionType = typename InputImageType::RegionType;
using InputSizeType = typename InputImageType::SizeType;
using InputIndexType = typename InputImageType::IndexType;
/** Run-time type information (and related methods) */
itkTypeMacro(BModeImageFilter, ImageToImageFilter);
/** Method for creation through the object factory. */
itkNewMacro(Self);
using FrequencyFilterType = FrequencyDomain1DImageFilter<ComplexImageType, ComplexImageType>;
/** Set the direction in which the envelope is to be calculated. */
virtual void
SetDirection(unsigned int direction)
{
this->m_AnalyticFilter->SetDirection(direction);
this->Modified();
}
/** Get the direction in which the envelope is to be calculated. */
virtual unsigned int
GetDirection() const
{
return m_AnalyticFilter->GetDirection();
}
void
SetFrequencyFilter(FrequencyFilterType * filter)
{
m_AnalyticFilter->SetFrequencyFilter(filter);
}
protected:
BModeImageFilter();
~BModeImageFilter() {}
virtual void
PrintSelf(std::ostream & os, Indent indent) const override;
virtual void
GenerateData() override;
// These behave like their analogs in Forward1DFFTImageFilter.
virtual void
GenerateInputRequestedRegion() override;
virtual void
EnlargeOutputRequestedRegion(DataObject * output) override;
/** Component filters. */
using AnalyticType = AnalyticSignalImageFilter<InputImageType, ComplexImageType>;
using ComplexToModulusType = ComplexToModulusImageFilter<typename AnalyticType::OutputImageType, OutputImageType>;
using PadType = ConstantPadImageFilter<InputImageType, InputImageType>;
using AddConstantType = AddImageFilter<InputImageType, InputImageType>;
using LogType = Log10ImageFilter<InputImageType, OutputImageType>;
using ROIType = RegionFromReferenceImageFilter<OutputImageType, OutputImageType>;
private:
BModeImageFilter(const Self &); // purposely not implemented
void
operator=(const Self &); // purposely not implemented
typename AnalyticType::Pointer m_AnalyticFilter;
typename ComplexToModulusType::Pointer m_ComplexToModulusFilter;
typename PadType::Pointer m_PadFilter;
typename AddConstantType::Pointer m_AddConstantFilter;
typename LogType::Pointer m_LogFilter;
typename ROIType::Pointer m_ROIFilter;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkBModeImageFilter.hxx"
#endif
#endif // itkBModeImageFilter_h