/usr/include/ITK-4.9/itkHistogramThresholdCalculator.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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 itkHistogramThresholdCalculator_h
#define itkHistogramThresholdCalculator_h
#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkNumericTraits.h"
#include "itkSimpleDataObjectDecorator.h"
#include "itkProgressReporter.h"
namespace itk
{
/** \class HistogramThresholdCalculator
* \brief Base class to compute a threshold value based on the histogram of an image
*
* \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>
class HistogramThresholdCalculator : public ProcessObject
{
public:
/** Standard class typedefs. */
typedef HistogramThresholdCalculator Self;
typedef ProcessObject 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(HistogramThresholdCalculator, ProcessObject);
/** Type definition for the input histogram. */
typedef THistogram HistogramType;
/** output object type */
typedef TOutput OutputType;
typedef SimpleDataObjectDecorator<OutputType> DecoratedOutputType;
void SetInput( const HistogramType * input )
{
// Process object is not const-correct so the const_cast is required here
this->ProcessObject::SetNthInput( 0, const_cast< HistogramType * >( input ) );
}
const HistogramType * GetInput() const
{
if ( this->GetNumberOfInputs() < 1 )
{
return ITK_NULLPTR;
}
return static_cast< const HistogramType * >( this->ProcessObject::GetInput(0) );
}
DecoratedOutputType * GetOutput()
{
if ( this->GetNumberOfOutputs() < 1 )
{
return ITK_NULLPTR;
}
return static_cast< DecoratedOutputType * >( this->ProcessObject::GetOutput(0) );
}
using Superclass::MakeOutput;
virtual typename DataObject::Pointer MakeOutput(DataObjectPointerArraySizeType) ITK_OVERRIDE
{
return DecoratedOutputType::New().GetPointer();
}
const OutputType & GetThreshold()
{
if ( this->GetNumberOfOutputs() < 1 )
{
itkExceptionMacro(<<"No output available.");
}
return static_cast< DecoratedOutputType * >( this->ProcessObject::GetOutput(0) )->Get();
}
protected:
HistogramThresholdCalculator()
{
this->ProcessObject::SetNumberOfRequiredOutputs(1);
this->ProcessObject::SetNthOutput( 0, this->MakeOutput(0) );
}
virtual ~HistogramThresholdCalculator() {};
using ProcessObject::SetInput;
private:
HistogramThresholdCalculator(const Self&) ITK_DELETE_FUNCTION;
void operator=(const Self&) ITK_DELETE_FUNCTION;
};
} // end namespace itk
#endif
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