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/*=========================================================================
*
* Copyright UMC Utrecht and contributors
*
* 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.
*
*=========================================================================*/
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkAdvancedTransform.txx,v $
Date: $Date: 2007-11-20 20:08:16 $
Version: $Revision: 1.27 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef _itkAdvancedTransform_hxx
#define _itkAdvancedTransform_hxx
#include "itkAdvancedTransform.h"
namespace itk
{
/**
* ********************* EvaluateJacobianWithImageGradientProduct ****************************
*/
template <class TScalarType, unsigned int NInputDimensions, unsigned int NOutputDimensions>
void
AdvancedTransform<TScalarType, NInputDimensions, NOutputDimensions>::EvaluateJacobianWithImageGradientProduct(
const InputPointType & inputPoint,
const MovingImageGradientType & movingImageGradient,
DerivativeType & imageJacobian,
NonZeroJacobianIndicesType & nonZeroJacobianIndices) const
{
/** Obtain the Jacobian. Using thread-local storage, so that both the allocation and the deallocation of the internal
* data occurs only once per thread, as it has appeared as a major performance bottleneck. */
thread_local JacobianType jacobian;
this->GetJacobian(inputPoint, jacobian, nonZeroJacobianIndices);
/** Perform a full multiplication. */
ImplementationDetails::EvaluateInnerProduct(jacobian, movingImageGradient, imageJacobian);
} // end EvaluateJacobianWithImageGradientProduct()
/**
* ********************* GetNumberOfNonZeroJacobianIndices ****************************
*/
template <class TScalarType, unsigned int NInputDimensions, unsigned int NOutputDimensions>
auto
AdvancedTransform<TScalarType, NInputDimensions, NOutputDimensions>::GetNumberOfNonZeroJacobianIndices() const
-> NumberOfParametersType
{
return this->GetNumberOfParameters();
} // end GetNumberOfNonZeroJacobianIndices()
} // end namespace itk
#endif
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