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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkDecisionRuleBase.h,v $
Language: C++
Date: $Date: 2005-10-07 23:10:10 $
Version: $Revision: 1.7 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkDecisionRuleBase_h
#define __itkDecisionRuleBase_h
#include <vector>
#include "vnl/vnl_matrix.h"
#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkArray.h"
#include "itkVariableLengthVector.h"
namespace itk
{
/** \class DecisionRuleBase
* \brief Base class that allows the setting of usage of differnt
* decision rules used in classification
* This class has the pure virtual function, Evaluate(). Therefore,
* any subclass should implement the function to be instantiated.
*/
class ITKCommon_EXPORT DecisionRuleBase : public Object
{
public:
/** Standard class typedefs */
typedef DecisionRuleBase Self ;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods) */
itkTypeMacro(DecisionRuleBase, Object);
/** Types for the arguments that are acceptable in the Evaluate() method */
typedef std::vector< double > VectorType;
typedef Array< double > ArrayType;
typedef VariableLengthVector< double > VariableLengthVectorType;
/** The return value of this function is a class label.
* Basically, using its internal logic based on the discriminant
* scores, this function decides best class label and return it.
*/
virtual unsigned int Evaluate( const VectorType &discriminantScores) const = 0;
/** The return value of this function is a class label.
* Basically, using its internal logic based on the discriminant
* scores, this function decides best class label and return it.
*/
virtual unsigned int Evaluate( const ArrayType &discriminantScores) const = 0;
protected:
DecisionRuleBase();
virtual ~DecisionRuleBase();
void PrintSelf(std::ostream& os, Indent indent) const;
private:
} ; // end of class
} // namespace itk
#endif
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