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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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 itkUnsharpMaskImageFilter_hxx
#define itkUnsharpMaskImageFilter_hxx
#include "itkUnsharpMaskImageFilter.h"
#include "itkBinaryFunctorImageFilter.h"
#include "itkNumericTraits.h"
#include "itkProgressAccumulator.h"
namespace itk
{
template< typename TInputImage, typename TOutputImage, typename TInternalPrecision >
UnsharpMaskImageFilter< TInputImage, TOutputImage, TInternalPrecision >
::UnsharpMaskImageFilter()
:m_Amount(0.5),
m_Threshold(0),
m_Clamp(NumericTraits<OutputPixelType>::IsInteger)
// clamping is on for integral types, and off for floating types
// this gives intuitive behavior for integral types
// and skips min/max checks for floating types
{
m_Sigmas.Fill(1.0);
}
template< typename TInputImage, typename TOutputImage, typename TInternalPrecision >
void
UnsharpMaskImageFilter< TInputImage, TOutputImage, TInternalPrecision >
::GenerateInputRequestedRegion()
{
// call the superclass' implementation of this method. this should
// copy the output requested region to the input requested region
Superclass::GenerateInputRequestedRegion();
// This filter needs all of the input
InputImagePointer image = const_cast<InputImageType *>(this->GetInput());
if ( image )
{
image->SetRequestedRegion(this->GetInput()->GetLargestPossibleRegion());
}
}
template< typename TInputImage, typename TOutputImage, typename TInternalPrecision >
void
UnsharpMaskImageFilter< TInputImage, TOutputImage, TInternalPrecision >
::VerifyPreconditions()
{
Superclass::VerifyPreconditions();
if (m_Threshold < 0.0)
{
itkExceptionMacro(<< "Threshold must be non-negative!");
}
}
template< typename TInputImage, typename TOutputImage, typename TInternalPrecision >
void
UnsharpMaskImageFilter< TInputImage, TOutputImage, TInternalPrecision >
::GenerateData()
{
typename TInputImage::Pointer input = TInputImage::New();
input->Graft(const_cast<TInputImage *>(this->GetInput()));
typename GaussianType::Pointer gaussianF = GaussianType::New();
gaussianF->SetInput(input);
gaussianF->SetSigmaArray(m_Sigmas);
gaussianF->SetNumberOfThreads(this->GetNumberOfThreads());
typedef UnsharpMaskingFunctor< InputPixelType, TInternalPrecision, OutputPixelType > USMType;
typedef BinaryFunctorImageFilter< TInputImage, typename GaussianType::OutputImageType,
TOutputImage, USMType > BinaryFunctorType;
typename BinaryFunctorType::Pointer functorF = BinaryFunctorType::New();
functorF->SetInput1(this->GetInput());
functorF->SetInput2(gaussianF->GetOutput());
USMType usmT(m_Amount, m_Threshold, m_Clamp);
functorF->SetFunctor(usmT);
functorF->SetNumberOfThreads(this->GetNumberOfThreads());
ProgressAccumulator::Pointer progress = ProgressAccumulator::New();
progress->SetMiniPipelineFilter(this);
progress->RegisterInternalFilter(gaussianF, 0.7);
progress->RegisterInternalFilter(functorF, 0.3);
functorF->GraftOutput(this->GetOutput());
functorF->Update();
this->GraftOutput(functorF->GetOutput());
}
template< typename TInputImage, typename TOutputImage, typename TInternalPrecision >
void
UnsharpMaskImageFilter< TInputImage, TOutputImage, TInternalPrecision >
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Sigmas: " << m_Sigmas << std::endl;
os << indent << "Amount: " << m_Amount << std::endl;
os << indent << "Threshold: " << m_Threshold << std::endl;
os << indent << "Clamp: " << m_Clamp << std::endl;
}
} // end namespace itk
#endif
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