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itkBlockMatchingMaximumPixelDisplacementCalculator.hxx
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itkBlockMatchingMaximumPixelDisplacementCalculator.hxx
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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
*
* 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 itkBlockMatchingMaximumPixelDisplacementCalculator_hxx
#define itkBlockMatchingMaximumPixelDisplacementCalculator_hxx
#include "itkBlockMatchingMaximumPixelDisplacementCalculator.h"
#include "itkImageRegionConstIteratorWithIndex.h"
namespace itk
{
namespace BlockMatching
{
template <typename TMetricImage, typename TDisplacementImage>
void
MaximumPixelDisplacementCalculator<TMetricImage, TDisplacementImage>::SetMetricImagePixel(const PointType & point,
const IndexType & index,
MetricImageType * metricImage)
{
Superclass::SetMetricImagePixel(point, index, metricImage);
PixelType max = NumericTraits<PixelType>::min();
IndexType maxIndex;
maxIndex.Fill(0);
itk::ImageRegionConstIteratorWithIndex<MetricImageType> it(metricImage, metricImage->GetBufferedRegion());
for (it.GoToBegin(); !it.IsAtEnd(); ++it)
{
if (it.Get() > max)
{
max = it.Get();
maxIndex = it.GetIndex();
}
}
PointType maxPoint;
metricImage->TransformIndexToPhysicalPoint(maxIndex, maxPoint);
this->m_DisplacementImage->SetPixel(index, maxPoint - point);
}
} // end namespace BlockMatching
} // end namespace itk
#endif