DisplacementToVelocityField.h

/*
 * Medical Image Registration ToolKit (MIRTK)
 *
 * Copyright 2013-2015 Imperial College London
 * Copyright 2013-2015 Andreas Schuh
 *
 * 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
 *
 * 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 MIRTK_DisplacementToVelocityField_H
#define MIRTK_DisplacementToVelocityField_H

#include "mirtk/GenericImage.h"
#include "mirtk/ImageToImage.h"


namespace mirtk {


/**
 * Base class of image filters which compute a stationary velocity field
 * given a displacement field.
 */
template <class TVoxel>
class DisplacementToVelocityField : public ImageToImage<TVoxel>
{
  mirtkAbstractImageFilterMacro(DisplacementToVelocityField, TVoxel);

protected:

  /// Constructor
  DisplacementToVelocityField();

public:  

  /// Destructor
  virtual ~DisplacementToVelocityField();

};

///////////////////////////////////////////////////////////////////////////////
// Inline definitions
///////////////////////////////////////////////////////////////////////////////

// ----------------------------------------------------------------------------
template <class VoxelType>
DisplacementToVelocityField<VoxelType>::DisplacementToVelocityField()
:
  ImageToImage<VoxelType>()
{
}

// ----------------------------------------------------------------------------
template <class VoxelType>
DisplacementToVelocityField<VoxelType>::~DisplacementToVelocityField()
{
}


} // namespace mirtk

#endif // MIRTK_DisplacementToVelocityField_H