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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 itkCorrelationImageToImageMetricv4_hxx
#define itkCorrelationImageToImageMetricv4_hxx
#include "itkCorrelationImageToImageMetricv4.h"
namespace itk
{
template <typename TFixedImage, typename TMovingImage, typename TVirtualImage, typename TInternalComputationValueType, typename TMetricTraits>
CorrelationImageToImageMetricv4<TFixedImage,TMovingImage,TVirtualImage, TInternalComputationValueType, TMetricTraits>
::CorrelationImageToImageMetricv4() :
m_AverageFix(0.0),
m_AverageMov(0.0)
{
this->m_DenseGetValueAndDerivativeThreader =
CorrelationDenseGetValueAndDerivativeThreaderType::New();
this->m_SparseGetValueAndDerivativeThreader =
CorrelationSparseGetValueAndDerivativeThreaderType::New();
m_HelperDenseThreader = CorrelationHelperDenseThreaderType::New();
m_HelperSparseThreader = CorrelationHelperSparseThreaderType::New();
if( this->m_MovingTransform->GetTransformCategory() == MovingTransformType::DisplacementField )
{
itkExceptionMacro("does not support displacement field transforms!!");
}
}
template <typename TFixedImage, typename TMovingImage, typename TVirtualImage, typename TInternalComputationValueType, typename TMetricTraits>
CorrelationImageToImageMetricv4<TFixedImage,TMovingImage,TVirtualImage, TInternalComputationValueType, TMetricTraits>
::~CorrelationImageToImageMetricv4()
{
}
template <typename TFixedImage, typename TMovingImage, typename TVirtualImage, typename TInternalComputationValueType, typename TMetricTraits>
void
CorrelationImageToImageMetricv4<TFixedImage,TMovingImage,TVirtualImage, TInternalComputationValueType, TMetricTraits>
::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
template <typename TFixedImage, typename TMovingImage, typename TVirtualImage, typename TInternalComputationValueType, typename TMetricTraits>
void
CorrelationImageToImageMetricv4<TFixedImage,TMovingImage,TVirtualImage, TInternalComputationValueType, TMetricTraits>
::InitializeForIteration() const
{
Superclass::InitializeForIteration();
this->m_AverageFix = NumericTraits<MeasureType>::ZeroValue();
this->m_AverageMov = NumericTraits<MeasureType>::ZeroValue();
// compute the average intensity of the sampled pixels
// Invoke the pipeline in the helper threader
// refer to DomainThreader::Execute()
if( this->m_UseFixedSampledPointSet ) // sparse sampling
{
SizeValueType numberOfPoints = this->GetNumberOfDomainPoints();
if( numberOfPoints < 1 )
{
itkExceptionMacro("FixedSampledPointSet must have 1 or more points.");
}
typename ImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedIndexedContainerPartitioner, Self >::DomainType range;
range[0] = 0;
range[1] = numberOfPoints - 1;
this->m_HelperSparseThreader->Execute( const_cast< Self* >(this), range );
}
else // dense sampling
{
this->m_HelperDenseThreader->Execute( const_cast< Self* >(this), this->GetVirtualRegion() );
}
/*
* the results:
* this->m_AverageFix
* this->m_AverageMov
* will be stored during helper::AfterThreadedExecution()
*/
}
} // end namespace itk
#endif
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