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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 itkVotingBinaryIterativeHoleFillingImageFilter_hxx
#define itkVotingBinaryIterativeHoleFillingImageFilter_hxx
#include "itkVotingBinaryIterativeHoleFillingImageFilter.h"
#include "itkConstNeighborhoodIterator.h"
#include "itkNeighborhoodInnerProduct.h"
#include "itkImageRegionIterator.h"
#include "itkNeighborhoodAlgorithm.h"
#include "itkOffset.h"
#include "itkProgressReporter.h"
#include <vector>
#include <algorithm>
namespace itk
{
template< typename TInputImage >
VotingBinaryIterativeHoleFillingImageFilter< TInputImage >
::VotingBinaryIterativeHoleFillingImageFilter()
{
m_Radius.Fill(1);
m_ForegroundValue = NumericTraits< InputPixelType >::max();
m_BackgroundValue = NumericTraits< InputPixelType >::ZeroValue();
m_MaximumNumberOfIterations = 10;
m_CurrentNumberOfIterations = 0;
m_MajorityThreshold = 1;
m_NumberOfPixelsChanged = 0;
}
template< typename TInputImage >
void
VotingBinaryIterativeHoleFillingImageFilter< TInputImage >
::GenerateData()
{
typename InputImageType::ConstPointer input = this->GetInput();
m_NumberOfPixelsChanged = 0;
typename VotingFilterType::Pointer filter = VotingFilterType::New();
filter->SetRadius( this->GetRadius() );
filter->SetBackgroundValue( this->GetBackgroundValue() );
filter->SetForegroundValue( this->GetForegroundValue() );
filter->SetMajorityThreshold( this->GetMajorityThreshold() );
m_CurrentNumberOfIterations = 0;
typename OutputImageType::Pointer output;
ProgressReporter progress(this, 0, m_MaximumNumberOfIterations);
while ( m_CurrentNumberOfIterations < m_MaximumNumberOfIterations )
{
filter->SetInput(input);
filter->Update();
m_CurrentNumberOfIterations++;
progress.CompletedPixel(); // not really a pixel but an iteration
this->InvokeEvent( IterationEvent() );
const unsigned int numberOfPixelsChangedInThisIteration =
filter->GetNumberOfPixelsChanged();
m_NumberOfPixelsChanged += numberOfPixelsChangedInThisIteration;
output = filter->GetOutput();
output->DisconnectPipeline();
input = output;
if ( numberOfPixelsChangedInThisIteration == 0 )
{
break;
}
}
this->GraftOutput(output);
}
/**
* Standard "PrintSelf" method
*/
template< typename TInputImage >
void
VotingBinaryIterativeHoleFillingImageFilter< TInputImage >
::PrintSelf(
std::ostream & os,
Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Radius: " << m_Radius << std::endl;
os << indent << "Foreground value : "
<< static_cast< typename NumericTraits< InputPixelType >::PrintType >( m_ForegroundValue ) << std::endl;
os << indent << "Background value : "
<< static_cast< typename NumericTraits< InputPixelType >::PrintType >( m_BackgroundValue ) << std::endl;
os << indent << "Maximum Number of Iterations : " << m_MaximumNumberOfIterations << std::endl;
os << indent << "Current Number of Iterations : " << m_CurrentNumberOfIterations << std::endl;
os << indent << "Majority Threshold : " << m_MajorityThreshold << std::endl;
os << indent << "Number of Pixels Changed : " << m_NumberOfPixelsChanged << std::endl;
}
} // end namespace itk
#endif
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