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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 itkRegionalMinimaImageFilter_h
#define itkRegionalMinimaImageFilter_h
#include "itkImageToImageFilter.h"
namespace itk
{
/** \class RegionalMinimaImageFilter
* \brief Produce a binary image where foreground is the regional minima of the
* input image
*
* Regional minima are flat zones surrounded by pixels of greater value.
*
* If the input image is constant, the entire image can be considered as a
* minima or not. The SetFlatIsMinima() method let the user choose which
* behavior to use.
*
* This class was contribtued to the Insight Journal by
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction,
* INRA de Jouy-en-Josas, France.
* https://hdl.handle.net/1926/153
*
* RegionalMaximaImageFilter
* MathematicalMorphologyImageFilters
*
* \ingroup ImageEnhancement
* \ingroup ITKReview
*
* \sa ValuedRegionalMinimaImageFilter
* \sa HConcaveImageFilter
*
* \wiki
* \wikiexample{ImageProcessing/RegionalMinimaImageFilter,RegionalMinimaImageFilter}
* \endwiki
*/
template< typename TInputImage, typename TOutputImage >
class RegionalMinimaImageFilter:
public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
/** Standard class typedefs. */
typedef RegionalMinimaImageFilter Self;
typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Some convenient typedefs. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename InputImageType::ConstPointer InputImageConstPointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::ConstPointer OutputImageConstPointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
/** ImageDimension constants */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(RegionalMinimaImageFilter,
ImageToImageFilter);
/**
* Set/Get whether the connected components are defined strictly by
* face connectivity or by face+edge+vertex connectivity. Default is
* FullyConnectedOff. For objects that are 1 pixel wide, use
* FullyConnectedOn.
*/
itkSetMacro(FullyConnected, bool);
itkGetConstReferenceMacro(FullyConnected, bool);
itkBooleanMacro(FullyConnected);
/**
* Set/Get the value in the output image to consider as "foreground".
* Defaults to maximum value of PixelType.
*/
itkSetMacro(ForegroundValue, OutputImagePixelType);
itkGetConstMacro(ForegroundValue, OutputImagePixelType);
/**
* Set/Get the value used as "background" in the output image.
* Defaults to NumericTraits<PixelType>::NonpositiveMin().
*/
itkSetMacro(BackgroundValue, OutputImagePixelType);
itkGetConstMacro(BackgroundValue, OutputImagePixelType);
/**
* Set/Get wether a flat image must be considered as a minima or not.
* Defaults to true.
*/
itkSetMacro(FlatIsMinima, bool);
itkGetConstMacro(FlatIsMinima, bool);
itkBooleanMacro(FlatIsMinima);
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro( InputHasPixelTraitsCheck,
( Concept::HasPixelTraits< InputImagePixelType > ) );
itkConceptMacro( InputHasNumericTraitsCheck,
( Concept::HasNumericTraits< InputImagePixelType > ) );
// End concept checking
#endif
protected:
RegionalMinimaImageFilter();
~RegionalMinimaImageFilter() {}
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
/** RegionalMinimaImageFilter needs the entire input be
* available. Thus, it needs to provide an implementation of
* GenerateInputRequestedRegion(). */
void GenerateInputRequestedRegion() ITK_OVERRIDE;
/** RegionalMinimaImageFilter will produce the entire output. */
void EnlargeOutputRequestedRegion( DataObject *itkNotUsed(output) ) ITK_OVERRIDE;
/** Single-threaded version of GenerateData. This filter delegates
* to GrayscaleGeodesicErodeImageFilter. */
void GenerateData() ITK_OVERRIDE;
private:
RegionalMinimaImageFilter(const Self &) ITK_DELETE_FUNCTION;
void operator=(const Self &) ITK_DELETE_FUNCTION;
bool m_FullyConnected;
bool m_FlatIsMinima;
OutputImagePixelType m_ForegroundValue;
OutputImagePixelType m_BackgroundValue;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkRegionalMinimaImageFilter.hxx"
#endif
#endif
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