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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 itkBinaryReconstructionByErosionImageFilter_hxx
#define itkBinaryReconstructionByErosionImageFilter_hxx
#include "itkProgressAccumulator.h"
namespace itk
{
template <typename TInputImage>
BinaryReconstructionByErosionImageFilter<TInputImage>::BinaryReconstructionByErosionImageFilter()
{
m_BackgroundValue = NumericTraits<OutputImagePixelType>::NonpositiveMin();
m_ForegroundValue = NumericTraits<OutputImagePixelType>::max();
m_FullyConnected = false;
this->SetPrimaryInputName("MarkerImage");
this->AddRequiredInputName("MaskImage", 1);
}
template <typename TInputImage>
void
BinaryReconstructionByErosionImageFilter<TInputImage>::GenerateInputRequestedRegion()
{
// call the superclass' implementation of this method
Superclass::GenerateInputRequestedRegion();
// We need all the input.
InputImagePointer input = const_cast<InputImageType *>(this->GetMarkerImage());
if (input)
{
input->SetRequestedRegion(input->GetLargestPossibleRegion());
}
input = const_cast<InputImageType *>(this->GetMaskImage());
if (input)
{
input->SetRequestedRegion(input->GetLargestPossibleRegion());
}
}
template <typename TInputImage>
void
BinaryReconstructionByErosionImageFilter<TInputImage>::EnlargeOutputRequestedRegion(DataObject *)
{
this->GetOutput()->SetRequestedRegion(this->GetOutput()->GetLargestPossibleRegion());
}
template <typename TInputImage>
void
BinaryReconstructionByErosionImageFilter<TInputImage>::GenerateData()
{
// Create a process accumulator for tracking the progress of this minipipeline
auto progress = ProgressAccumulator::New();
progress->SetMiniPipelineFilter(this);
// Allocate the output
this->AllocateOutputs();
auto notMask = NotType::New();
notMask->SetInput(this->GetMaskImage());
notMask->SetForegroundValue(m_ForegroundValue);
notMask->SetBackgroundValue(m_BackgroundValue);
notMask->SetNumberOfWorkUnits(this->GetNumberOfWorkUnits());
progress->RegisterInternalFilter(notMask, .1f);
auto notMarker = NotType::New();
notMarker->SetInput(this->GetMarkerImage());
notMarker->SetForegroundValue(m_ForegroundValue);
notMarker->SetBackgroundValue(m_BackgroundValue);
notMarker->SetNumberOfWorkUnits(this->GetNumberOfWorkUnits());
progress->RegisterInternalFilter(notMarker, .1f);
auto labelizer = LabelizerType::New();
labelizer->SetInput(notMask->GetOutput());
labelizer->SetInputForegroundValue(m_ForegroundValue);
labelizer->SetOutputBackgroundValue(m_BackgroundValue);
labelizer->SetFullyConnected(m_FullyConnected);
labelizer->SetNumberOfWorkUnits(this->GetNumberOfWorkUnits());
progress->RegisterInternalFilter(labelizer, .2f);
auto reconstruction = ReconstructionType::New();
reconstruction->SetInput(labelizer->GetOutput());
reconstruction->SetMarkerImage(notMarker->GetOutput());
reconstruction->SetForegroundValue(m_ForegroundValue);
reconstruction->SetNumberOfWorkUnits(this->GetNumberOfWorkUnits());
progress->RegisterInternalFilter(reconstruction, .2f);
auto opening = OpeningType::New();
opening->SetInput(reconstruction->GetOutput());
opening->SetLambda(true);
opening->SetNumberOfWorkUnits(this->GetNumberOfWorkUnits());
progress->RegisterInternalFilter(opening, .2f);
// invert the image during the binarization
auto binarizer = BinarizerType::New();
binarizer->SetInput(opening->GetOutput());
binarizer->SetLabel(m_BackgroundValue);
binarizer->SetNegated(true);
binarizer->SetBackgroundValue(m_ForegroundValue);
binarizer->SetFeatureImage(this->GetMaskImage());
binarizer->SetNumberOfWorkUnits(this->GetNumberOfWorkUnits());
progress->RegisterInternalFilter(binarizer, .2f);
binarizer->GraftOutput(this->GetOutput());
binarizer->Update();
this->GraftOutput(binarizer->GetOutput());
}
template <typename TInputImage>
void
BinaryReconstructionByErosionImageFilter<TInputImage>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "FullyConnected: " << (m_FullyConnected ? "On" : "Off") << std::endl;
os << indent
<< "BackgroundValue: " << static_cast<typename NumericTraits<OutputImagePixelType>::PrintType>(m_BackgroundValue)
<< std::endl;
os << indent
<< "ForegroundValue: " << static_cast<typename NumericTraits<OutputImagePixelType>::PrintType>(m_ForegroundValue)
<< std::endl;
}
} // end namespace itk
#endif
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