MedianArrayFilter3D.h

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//
//
/*
    Copyright (C) 2000- 2009, Hammersmith Imanet Ltd
    This file is part of STIR.

    SPDX-License-Identifier: Apache-2.0

    See STIR/LICENSE.txt for details
*/

#ifndef __stir_MedianArrayFilter3D_H__
#define __stir_MedianArrayFilter3D_H__

#include "stir/ArrayFunctionObject_2ArgumentImplementation.h"

START_NAMESPACE_STIR

template <typename coordT>
class Coordinate3D;

template <typename elemT>
class MedianArrayFilter3D : public ArrayFunctionObject_2ArgumentImplementation<3, elemT>
{
public:
  explicit MedianArrayFilter3D(const Coordinate3D<int>& mask_radius);
  MedianArrayFilter3D();
  bool is_trivial() const override;

private:
  int mask_radius_x;
  int mask_radius_y;
  int mask_radius_z;

  void do_it(Array<3, elemT>& out_array, const Array<3, elemT>& in_array) const override;


  int extract_neighbours(Array<1, elemT>&, const Array<3, elemT>& array, const Coordinate3D<int>&) const;
};

END_NAMESPACE_STIR

#endif