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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkVectorNeighborhoodInnerProduct.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:49 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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DEF |
#ifndef _itkVectorNeighborhoodInnerProduct_txx |
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DEF |
#define _itkVectorNeighborhoodInnerProduct_txx |
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#include "itkVectorNeighborhoodInnerProduct.h" |
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namespace itk { |
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template<class TImage> |
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typename VectorNeighborhoodInnerProduct<TImage>::PixelType |
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VectorNeighborhoodInnerProduct<TImage> |
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::operator()(const std::slice &s, |
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const ConstNeighborhoodIterator<TImage> &it, |
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const OperatorType &op) const |
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{ |
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PixelType sum; |
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unsigned int j; |
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typename OperatorType::ConstIterator o_it; |
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for (j = 0; j < VectorDimension; ++j) |
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{ sum[j] = NumericTraits<ScalarValueType>::Zero; } |
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o_it = op.Begin(); |
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const typename OperatorType::ConstIterator op_end = op.End(); |
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const unsigned int start = static_cast<unsigned int>( s.start() ); |
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const unsigned int stride = static_cast<unsigned int>( s.stride() ); |
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for ( unsigned int i = start; o_it < op_end; i+=stride, ++o_it ) |
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{ |
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for (j = 0; j< VectorDimension; ++j) |
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{ sum[j] += *o_it * (it.GetPixel(i))[j]; } |
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} |
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return sum; |
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} |
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template<class TImage> |
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typename VectorNeighborhoodInnerProduct<TImage>::PixelType |
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VectorNeighborhoodInnerProduct<TImage> |
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::operator()(const std::slice &s, |
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const NeighborhoodType &it, |
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const OperatorType &op) const |
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{ |
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PixelType sum; |
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unsigned int j; |
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typename OperatorType::ConstIterator o_it; |
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for (j = 0; j < VectorDimension; ++j) |
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{ sum[j] = NumericTraits<ScalarValueType>::Zero; } |
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o_it = op.Begin(); |
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const typename OperatorType::ConstIterator op_end = op.End(); |
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const unsigned int start = static_cast<unsigned int>( s.start() ); |
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const unsigned int stride = static_cast<unsigned int>( s.stride() ); |
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for ( unsigned int i = start; o_it < op_end; i+=stride, ++o_it ) |
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{ |
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for (j = 0; j< VectorDimension; ++j) |
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{ sum[j] += *o_it * it[i][j]; } |
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} |
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return sum; |
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} |
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EML |
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}// end namespace itk |
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#endif |
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