ArcCorrection.h

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//
//
/*
    Copyright (C) 2005- 2005, Hammersmith Imanet Ltd
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0
 
    See STIR/LICENSE.txt for details
*/
#ifndef __stir_ArcCorrection_H__
#define __stir_ArcCorrection_H__
 
#include "stir/ProjDataInfo.h"
#include "stir/Array.h"
#include "stir/shared_ptr.h"
 
START_NAMESPACE_STIR
 
class Succeeded;
class ProjDataInfoCylindricalArcCorr;
class ProjDataInfoCylindricalNoArcCorr;
template <class elemT>
class Sinogram;
template <class elemT>
class Viewgram;
template <class elemT>
class RelatedViewgrams;
template <class elemT>
class SegmentBySinogram;
template <class elemT>
class SegmentByView;
class ProjData;
class ArcCorrection
{
public:
  ArcCorrection();



  Succeeded set_up(const shared_ptr<const ProjDataInfo>& proj_data_info_sptr,
                   const int num_arccorrected_tangential_poss,
                   const float bin_size);


  Succeeded set_up(const shared_ptr<const ProjDataInfo>& proj_data_info_sptr, const int num_arccorrected_tangential_poss);

  Succeeded set_up(const shared_ptr<const ProjDataInfo>& proj_data_info_sptr);

  const ProjDataInfoCylindricalArcCorr& get_arc_corrected_proj_data_info() const;

  shared_ptr<const ProjDataInfo> get_arc_corrected_proj_data_info_sptr() const;

  const ProjDataInfoCylindricalNoArcCorr& get_not_arc_corrected_proj_data_info() const;

  shared_ptr<const ProjDataInfo> get_not_arc_corrected_proj_data_info_sptr() const;


  Sinogram<float> do_arc_correction(const Sinogram<float>& in) const;
  void do_arc_correction(Sinogram<float>& out, const Sinogram<float>& in) const;
  Viewgram<float> do_arc_correction(const Viewgram<float>& in) const;
  void do_arc_correction(Viewgram<float>& out, const Viewgram<float>& in) const;
  RelatedViewgrams<float> do_arc_correction(const RelatedViewgrams<float>& in) const;
  void do_arc_correction(RelatedViewgrams<float>& out, const RelatedViewgrams<float>& in) const;
  SegmentBySinogram<float> do_arc_correction(const SegmentBySinogram<float>& in) const;
  void do_arc_correction(SegmentBySinogram<float>& out, const SegmentBySinogram<float>& in) const;
  SegmentByView<float> do_arc_correction(const SegmentByView<float>& in) const;
  void do_arc_correction(SegmentByView<float>& out, const SegmentByView<float>& in) const;
  Succeeded do_arc_correction(ProjData& out, const ProjData& in) const;
 
private:
  shared_ptr<const ProjDataInfo> _noarc_corr_proj_data_info_sptr;
  shared_ptr<const ProjDataInfo> _arc_corr_proj_data_info_sptr;
  Array<1, float> _arccorr_coords;
  Array<1, float> _noarccorr_coords;
  Array<1, float> _noarccorr_bin_sizes;
  float tangential_sampling;
 
  void do_arc_correction(Array<1, float>& out, const Array<1, float>& in) const;
};
 
END_NAMESPACE_STIR
#endif