itkBSplineInterpolateVectorImageFunction.h

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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
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#ifndef itkBSplineInterpolateVectorImageFunction_h
#define itkBSplineInterpolateVectorImageFunction_h
 
#include <itkVectorImage.h>
#include <itkBSplineInterpolateImageFunction.h>
#include <vector>
#include <torch/torch.h>
 
template <typename TImage, typename TInterpolator>
class BSplineInterpolateVectorImageFunction
{
public:
  using ImageType = TImage;
  using InterpolatorType = TInterpolator;
  using PixelType = typename ImageType::PixelType;
 
  BSplineInterpolateVectorImageFunction() = default;

  void
  SetInputImage(typename ImageType::Pointer vectorImage);

  torch::Tensor
  Evaluate(typename ImageType::PointType point, std::vector<unsigned int> subsetOfFeatures) const;

  torch::Tensor
  EvaluateDerivative(typename ImageType::PointType point, std::vector<unsigned int> subsetOfFeatures) const;
 
private:
  std::vector<typename InterpolatorType::Pointer> m_Interpolators;
};
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkBSplineInterpolateVectorImageFunction.hxx"
#endif
 
#endif // end #ifndef itkBSplineInterpolateVectorImageFunction_h