/usr/include/ITK-4.5/itkRenyiEntropyThresholdCalculator.h is in libinsighttoolkit4-dev 4.5.0-3.
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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 __itkRenyiEntropyThresholdCalculator_h
#define __itkRenyiEntropyThresholdCalculator_h
#include "itkHistogramThresholdCalculator.h"
namespace itk
{
/** \class RenyiEntropyThresholdCalculator
* \brief Computes the RenyiEntropy's threshold for an image.
*
* Kapur J.N., Sahoo P.K., and Wong A.K.C. (1985) "A New Method for
* Gray-Level Picture Thresholding Using the Entropy of the Histogram"
* Graphical Models and Image Processing, 29(3): 273-285
* M. Emre Celebi
* 06.15.2007
*
* This class is templated over the input histogram type.
* \warning This calculator assumes that the input histogram has only one dimension.
*
* \author Richard Beare. Department of Medicine, Monash University,
* Melbourne, Australia.
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* This implementation was taken from the Insight Journal paper:
* http://hdl.handle.net/10380/3279 or
* http://www.insight-journal.org/browse/publication/811
*
* \ingroup Operators
* \ingroup ITKThresholding
*/
template <typename THistogram, typename TOutput=double>
class RenyiEntropyThresholdCalculator : public HistogramThresholdCalculator<THistogram, TOutput>
{
public:
/** Standard class typedefs. */
typedef RenyiEntropyThresholdCalculator Self;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(RenyiEntropyThresholdCalculator, Object);
/** Type definition for the input image. */
typedef THistogram HistogramType;
typedef TOutput OutputType;
protected:
RenyiEntropyThresholdCalculator() { m_FirstBin = 0; m_LastBin = 0; m_Size = 0; }
virtual ~RenyiEntropyThresholdCalculator() {}
void GenerateData(void);
typedef typename HistogramType::TotalAbsoluteFrequencyType TotalAbsoluteFrequencyType;
typedef typename HistogramType::AbsoluteFrequencyType AbsoluteFrequencyType;
typedef typename HistogramType::InstanceIdentifier InstanceIdentifier;
typedef typename HistogramType::SizeValueType SizeValueType;
InstanceIdentifier MaxEntropyThresholding( const HistogramType* histogram,
const std::vector< double >& normHisto,
const std::vector< double >& P1,
const std::vector< double >& P2 );
InstanceIdentifier MaxEntropyThresholding2( const HistogramType* histogram,
const std::vector< double >& normHisto,
const std::vector< double >& P1,
const std::vector< double >& P2 );
InstanceIdentifier MaxEntropyThresholding3( const HistogramType* histogram,
const std::vector< double >& normHisto,
const std::vector< double >& P1,
const std::vector< double >& P2 );
private:
RenyiEntropyThresholdCalculator(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
InstanceIdentifier m_FirstBin;
InstanceIdentifier m_LastBin;
SizeValueType m_Size;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkRenyiEntropyThresholdCalculator.hxx"
#endif
#endif
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