itkMaximumRatioDecisionRule.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  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 itkMaximumRatioDecisionRule_h
#define itkMaximumRatioDecisionRule_h
 
#include <vector>
#include "vnl/vnl_matrix.h"
 
#include "itkNumericTraits.h"
#include "itkDecisionRule.h"
#include "ITKStatisticsExport.h"
 
namespace itk
{
namespace Statistics
{
class ITKStatistics_EXPORT MaximumRatioDecisionRule : public DecisionRule
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(MaximumRatioDecisionRule);
 
  using Self = MaximumRatioDecisionRule;
  using Superclass = DecisionRule;
  using Pointer = SmartPointer<Self>;
 
  itkOverrideGetNameOfClassMacro(MaximumRatioDecisionRule);
 
  itkNewMacro(Self);
 
  using MembershipValueType = Superclass::MembershipValueType;
  using MembershipVectorType = Superclass::MembershipVectorType;
 
  using ClassIdentifierType = Superclass::ClassIdentifierType;
 
  using PriorProbabilityValueType = MembershipValueType;
  using PriorProbabilityVectorType = std::vector<PriorProbabilityValueType>;
  using PriorProbabilityVectorSizeType = PriorProbabilityVectorType::size_type;
 
  ClassIdentifierType
  Evaluate(const MembershipVectorType & discriminantScores) const override;
 
  void
  SetPriorProbabilities(const PriorProbabilityVectorType & p);
 
  itkGetConstReferenceMacro(PriorProbabilities, PriorProbabilityVectorType);
 
protected:
  MaximumRatioDecisionRule();
  ~MaximumRatioDecisionRule() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  PriorProbabilityVectorType m_PriorProbabilities{};
 
}; // end of class
} // namespace Statistics
} // namespace itk
#endif