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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 itkAdaptiveHistogramEqualizationImageFilter_hxx
#define itkAdaptiveHistogramEqualizationImageFilter_hxx
#include <map>
#include <set>
#include "itkMath.h"
#include "itkAdaptiveHistogramEqualizationImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "itkConstNeighborhoodIterator.h"
#include "itkNeighborhoodAlgorithm.h"
#include "itkProgressReporter.h"
#include "itkMinimumMaximumImageFilter.h"
namespace itk
{
template< typename TImageType, typename TKernel >
void
AdaptiveHistogramEqualizationImageFilter< TImageType, TKernel >
::BeforeThreadedGenerateData()
{
typename ImageType::Pointer input = ImageType::New();
input->Graft( const_cast<ImageType*>(this->GetInput()) );
// Calculate min and max gray level of an input image
// NOTE: This computation of min/max means that this filter should
// not be able to stream.
typedef MinimumMaximumImageFilter<ImageType> MinMaxFilter;
typename MinMaxFilter::Pointer minmax = MinMaxFilter::New();
minmax->SetInput( input );
minmax->Update();
m_InputMinimum = minmax->GetMinimum();
m_InputMaximum = minmax->GetMaximum();
}
template< typename TImageType, typename TKernel >
void
AdaptiveHistogramEqualizationImageFilter< TImageType, TKernel >
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << "Alpha: " << m_Alpha << std::endl;
os << "Beta: " << m_Beta << std::endl;
os << "InputMinimum: " << static_cast< typename NumericTraits< InputPixelType >::PrintType >( m_InputMinimum ) << std::endl;
os << "InputMaximum: " << static_cast< typename NumericTraits< InputPixelType >::PrintType >( m_InputMaximum ) << std::endl;
os << "UseLookupTable: " << ( m_UseLookupTable ? "On" : "Off" ) << std::endl;
}
} // end namespace
#endif
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