otbMeanShiftConnectedComponentSegmentationFilter.h

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/*
 * Copyright (C) 2005-2024 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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
 *
 * 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 otbMeanShiftConnectedComponentSegmentationFilter_h
#define otbMeanShiftConnectedComponentSegmentationFilter_h
 
#include "itkMacro.h"
 
#include "otbConnectedComponentMuParserFunctor.h"
#include "itkConnectedComponentFunctorImageFilter.h"
#include "otbMaskMuParserFilter.h"
#include "itkRelabelComponentImageFilter.h"
 
#include "otbMeanShiftSmoothingImageFilter.h"
#include <string>
 
namespace otb
{
 
template <class TVInputImage, class TMaskImage, class TLabelImage>
class MeanShiftConnectedComponentSegmentationFilter : public itk::ImageToImageFilter<TVInputImage, TLabelImage>
{
public:
  typedef MeanShiftConnectedComponentSegmentationFilter Self;
  typedef itk::ImageToImageFilter<TVInputImage, TLabelImage> Superclass;
 
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  typedef unsigned int ObjectSizeType;
 
  typedef TVInputImage VectorImageType;
  typedef TMaskImage   MaskImageType;
  typedef TLabelImage  LabelImageType;
 
  typedef typename VectorImageType::Pointer   VectorImagePointerType;
  typedef typename VectorImageType::PixelType VectorImagePixelType;
 
  itkNewMacro(Self);
 
  itkTypeMacro(MeanShiftConnectedComponentSegmentationFilter, ImageToImageFilter);
 
  itkStaticConstMacro(InputImageDimension, unsigned int, TVInputImage::ImageDimension);
 
  // Mask generation
  typedef Functor::ConnectedComponentMuParserFunctor<VectorImagePixelType> FunctorType;
  typedef itk::ConnectedComponentFunctorImageFilter<VectorImageType, LabelImageType, FunctorType, MaskImageType> ConnectedComponentFilterType;
 
  // mask typedef
  typedef otb::MaskMuParserFilter<VectorImageType, MaskImageType> MaskMuParserFilterType;
 
  // Labelization
  typedef itk::RelabelComponentImageFilter<LabelImageType, LabelImageType> RelabelComponentFilterType;
 
  typedef double KernelType;
  typedef otb::MeanShiftSmoothingImageFilter<VectorImageType, VectorImageType> MeanShiftFilterType;
 
  typedef typename MeanShiftFilterType::Pointer MeanShiftFilterPointerType;
 
  // ** // meanshift filter
  /* Set/Get mean shift filter */
  itkSetObjectMacro(MeanShiftFilter, MeanShiftFilterType);
  itkGetObjectMacro(MeanShiftFilter, MeanShiftFilterType);
 
  /* Set the mathematical expression used for the mask */
  itkSetStringMacro(MaskExpression);
 
  /* Get the mathematical expression used for the mask */
  itkGetStringMacro(MaskExpression);
 
  /* Set the mathematical expression used during connected component segmentation */
  itkSetStringMacro(ConnectedComponentExpression);
 
  /* Get the mathematical expression used during connected component segmentation */
  itkGetStringMacro(ConnectedComponentExpression);
 
  /* Set the minimum object size */
  itkSetMacro(MinimumObjectSize, ObjectSizeType);
 
  /* Get the minimum object size */
  itkGetMacro(MinimumObjectSize, ObjectSizeType);
 
protected:
  MeanShiftConnectedComponentSegmentationFilter();
 
  ~MeanShiftConnectedComponentSegmentationFilter() override;
 
  void GenerateInputRequestedRegion() override;
  void GenerateData() override;
 
private:
  MeanShiftFilterPointerType m_MeanShiftFilter;
 
  /* CC parameters */
  ObjectSizeType m_MinimumObjectSize;
  std::string    m_MaskExpression;
  std::string    m_ConnectedComponentExpression;
  /* */
};
 
 
} // end namespace itk
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbMeanShiftConnectedComponentSegmentationFilter.hxx"
#endif
 
#endif