/usr/include/ITK-4.5/itkOtsuThresholdCalculator.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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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 __itkOtsuThresholdCalculator_h
#define __itkOtsuThresholdCalculator_h
#include "itkHistogramThresholdCalculator.h"
#include "itkOtsuMultipleThresholdsCalculator.h"
namespace itk
{
/** \class OtsuThresholdCalculator
* \brief Computes the Otsu's threshold for an image.
*
* This calculator computes the Otsu's threshold which separates an image
* into foreground and background components. The method relies on a
* histogram of image intensities. The basic idea is to maximize the
* between-class variance.
*
* This class is templated over the input histogram type.
*
* \warning This calculator assumes that the input histogram has only one dimension.
*
* \ingroup Operators
* \ingroup ITKThresholding
*/
template <typename THistogram, typename TOutput=double>
class OtsuThresholdCalculator : public HistogramThresholdCalculator<THistogram, TOutput>
{
public:
/** Standard class typedefs. */
typedef OtsuThresholdCalculator 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(OtsuThresholdCalculator, Object);
/** Type definition for the input image. */
typedef THistogram HistogramType;
typedef TOutput OutputType;
/** for backward compatibility. Update() should be preferred. */
void Compute()
{
this->Update();
}
protected:
OtsuThresholdCalculator()
{
m_OtsuMultipleThresholdsCalculator = OtsuMultipleThresholdsCalculator<THistogram>::New();
}
virtual ~OtsuThresholdCalculator() {};
void GenerateData(void);
private:
OtsuThresholdCalculator(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
typename OtsuMultipleThresholdsCalculator<THistogram>::Pointer m_OtsuMultipleThresholdsCalculator;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkOtsuThresholdCalculator.hxx"
#endif
#endif
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