MaximalImageFilter3D.h

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//
/*
 Copyright (C) 2006 - 2007, Hammersmith Imanet Ltd
 Copyright (C) 2010 - 2013, King's College London
 This file is part of STIR.

 SPDX-License-Identifier: Apache-2.0

 See STIR/LICENSE.txt for details
 */
#ifndef __stir_MaximalImageFilter3D_H__
#define __stir_MaximalImageFilter3D_H__

#include "stir/DataProcessor.h"
#include "stir/MaximalArrayFilter3D.h"
#include "stir/DiscretisedDensity.h"
#include "stir/RegisteredParsingObject.h"

START_NAMESPACE_STIR

template <typename coordT>
class CartesianCoordinate3D;

template <typename elemT>
class MaximalImageFilter3D : public RegisteredParsingObject<MaximalImageFilter3D<elemT>,
                                                            DataProcessor<DiscretisedDensity<3, elemT>>,
                                                            DataProcessor<DiscretisedDensity<3, elemT>>>
{
private:
  typedef RegisteredParsingObject<MaximalImageFilter3D<elemT>,
                                  DataProcessor<DiscretisedDensity<3, elemT>>,
                                  DataProcessor<DiscretisedDensity<3, elemT>>>
      base_type;

public:
  static const char* const registered_name;

  MaximalImageFilter3D();

  MaximalImageFilter3D(const CartesianCoordinate3D<int>& mask_radius);

private:
  MaximalArrayFilter3D<elemT> maximal_filter;
  int mask_radius_x;
  int mask_radius_y;
  int mask_radius_z;

  void set_defaults() override;
  void initialise_keymap() override;

  Succeeded virtual_set_up(const DiscretisedDensity<3, elemT>& density) override;
  void virtual_apply(DiscretisedDensity<3, elemT>& density, const DiscretisedDensity<3, elemT>& in_density) const override;
  void virtual_apply(DiscretisedDensity<3, elemT>& density) const override;
};

END_NAMESPACE_STIR

#endif // MaximalImageFilter3D