mitkGrabCutOpenCVImageFilter.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef MITKGRABCUTOPENCVIMAGEFILTER_H
#define MITKGRABCUTOPENCVIMAGEFILTER_H
 
// mitk headers
#include "mitkAbstractOpenCVImageFilter.h"
#include "mitkVector.h"
 
// itk headers
#include "itkObjectFactory.h"
#include <itkThreadSupport.h>
 
// opencv headers
#include <opencv2/core.hpp>
 
#include <condition_variable>
#include <mutex>
#include <thread>
 
namespace itk {
template<unsigned int T> class Index;
template<class T> class SmartPointer;
class MultiThreader;
class ConditionVariable;
class FastMutexLock;
}
 
namespace mitk {
class PointSet;
 
class MITKOPENCVVIDEOSUPPORT_EXPORT GrabCutOpenCVImageFilter : public AbstractOpenCVImageFilter
{
public:
  typedef std::vector<itk::Index<2> > ModelPointsList;
 
  mitkClassMacro(GrabCutOpenCVImageFilter, AbstractOpenCVImageFilter);
 
  itkFactorylessNewMacro(Self);
 
  itkCloneMacro(Self);
 
  GrabCutOpenCVImageFilter();
  ~GrabCutOpenCVImageFilter() override;
 
  bool OnFilterImage( cv::Mat& image ) override;
 
  void SetModelPoints(ModelPointsList foregroundPoints);
 
  void SetModelPoints(ModelPointsList foregroundPoints, ModelPointsList backgroundPoints);
 
  void SetModelPoints(cv::Mat foregroundMask);
 
  void SetModelPoints(cv::Mat foregroundMask, cv::Mat backgroundMask);
 
  void SetModelPointsDilationSize(int modelPointsDilationSize);
 
  void SetUseOnlyRegionAroundModelPoints(unsigned int additionalBorder);
 
  void SetUseFullImage();
 
  cv::Rect GetRegionAroundModelPoints();
 
  int GetResultImageId();
 
  cv::Mat GetResultMask();
 
  std::vector<ModelPointsList> GetResultContours();
 
  ModelPointsList GetResultContourWithPixel(itk::Index<2> pixelIndex);
 
protected:
  cv::Mat GetMaskFromPointSets();
 
  cv::Rect GetBoundingRectFromMask(cv::Mat mask);
 
  cv::Mat RunSegmentation(cv::Mat input, cv::Mat mask);
 
  ModelPointsList ConvertMaskToModelPointsList(cv::Mat mask);
 
  int                          m_ModelPointsDilationSize;
 
  bool                         m_UseOnlyRegionAroundModelPoints;
  unsigned int                 m_AdditionalWidth;
  cv::Rect                     m_BoundingBox;
 
  ModelPointsList              m_ForegroundPoints;
  ModelPointsList              m_BackgroundPoints;
 
  cv::Mat                      m_InputImage;
  cv::Mat                      m_GrabCutMask;
  cv::Mat                      m_ResultMask;
 
  unsigned int                 m_CurrentProcessImageNum;
 
  int                          m_InputImageId;
 
  int                          m_ResultImageId;
 
private:
  void SegmentationWorker();
 
  std::thread m_Thread;
 
  bool                                      m_StopThread;
 
  std::condition_variable m_WorkerBarrier;
 
  std::mutex     m_ImageMutex;
 
  std::mutex     m_ResultMutex;
 
  std::mutex     m_PointSetsMutex;
};
} // namespace mitk
 
#endif // MITKGRABCUTOPENCVIMAGEFILTER_H