mitkSUVNormalizationStrategy.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef mitkSUVNormalizationStrategy_h
#define mitkSUVNormalizationStrategy_h
 
#include <limits>
#include <memory>
#include <optional>
 
#include <mitkException.h>
#include <mitkExceptionMacro.h>
 
#include <mitkSUVCalculationHelper.h>
 
#include <MitkPETExports.h>
 
namespace mitk
{
  class MITKPET_EXPORT MissingSUVInputException : public SUVHelperException
  {
  public:
    mitkExceptionClassMacro(MissingSUVInputException, SUVHelperException);
  };
 
  enum class SUVVariant
  {
    BW,
    LBM_Janmahasatian,
    LBM_James128,
    IBW,
    BSA
  };
 
  struct MITKPET_EXPORT SUVNormalizationInputs
  {
    double             bodyWeightKg = std::numeric_limits<double>::quiet_NaN();
    double             heightM      = std::numeric_limits<double>::quiet_NaN();
    std::optional<Sex> sex;
  };
 
  class MITKPET_EXPORT SUVNormalizationStrategy
  {
  public:
    virtual ~SUVNormalizationStrategy() = default;
 
    virtual double ComputeScaleNumerator(const SUVNormalizationInputs& inputs) const = 0;
 
    virtual SUVVariant Variant() const = 0;
  };
 
  class MITKPET_EXPORT BodyWeightStrategy : public SUVNormalizationStrategy
  {
  public:
    double ComputeScaleNumerator(const SUVNormalizationInputs& inputs) const override;
    SUVVariant Variant() const override { return SUVVariant::BW; }
  };
 
  class MITKPET_EXPORT LeanBodyMassJanmahasatianStrategy : public SUVNormalizationStrategy
  {
  public:
    double ComputeScaleNumerator(const SUVNormalizationInputs& inputs) const override;
    SUVVariant Variant() const override { return SUVVariant::LBM_Janmahasatian; }
  };
 
  class MITKPET_EXPORT LeanBodyMassJames128Strategy : public SUVNormalizationStrategy
  {
  public:
    double ComputeScaleNumerator(const SUVNormalizationInputs& inputs) const override;
    SUVVariant Variant() const override { return SUVVariant::LBM_James128; }
  };
 
  class MITKPET_EXPORT IdealBodyWeightStrategy : public SUVNormalizationStrategy
  {
  public:
    double ComputeScaleNumerator(const SUVNormalizationInputs& inputs) const override;
    SUVVariant Variant() const override { return SUVVariant::IBW; }
  };
 
  class MITKPET_EXPORT BodySurfaceAreaStrategy : public SUVNormalizationStrategy
  {
  public:
    double ComputeScaleNumerator(const SUVNormalizationInputs& inputs) const override;
    SUVVariant Variant() const override { return SUVVariant::BSA; }
  };
 
  std::unique_ptr<SUVNormalizationStrategy> MITKPET_EXPORT
  MakeSUVNormalizationStrategy(SUVVariant variant);
 
  bool MITKPET_EXPORT VariantRequiresPatientHeight(SUVVariant variant);
 
  bool MITKPET_EXPORT VariantRequiresPatientSex(SUVVariant variant);
}
 
#endif