itkDecisionRule.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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
 *
 *         http://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 itkDecisionRule_h
#define itkDecisionRule_h

#include <vector>
#include "vnl/vnl_matrix.h"
#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkArray.h"
#include "itkVariableLengthVector.h"
#include "ITKStatisticsExport.h"

namespace itk
{
namespace Statistics
{
class ITKStatistics_EXPORT DecisionRule : public Object
{
public:
  typedef DecisionRule               Self;
  typedef Object                     Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkTypeMacro(DecisionRule, Object);

  typedef double                             MembershipValueType;
  typedef std::vector< MembershipValueType > MembershipVectorType;

  typedef MembershipVectorType::size_type ClassIdentifierType;

  virtual ClassIdentifierType Evaluate(const MembershipVectorType & discriminantScores) const = 0;

protected:
  DecisionRule();
  virtual ~DecisionRule();

private:
  DecisionRule(const Self &);   //purposely not implemented
  void operator=(const Self &); //purposely not implemented
};                              // end of class
} // end of namespace Statistics
} // end of namespace itk

#endif