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  #ifndef __OPENCV_SUPERRES_OPTICAL_FLOW_HPP__
  #define __OPENCV_SUPERRES_OPTICAL_FLOW_HPP__
  
  #include "opencv2/core.hpp"
  
  namespace cv
  {
      namespace superres
      {
  
  //! @addtogroup superres
  //! @{
  
          class CV_EXPORTS DenseOpticalFlowExt : public cv::Algorithm
          {
          public:
              virtual void calc(InputArray frame0, InputArray frame1, OutputArray flow1, OutputArray flow2 = noArray()) = 0;
              virtual void collectGarbage() = 0;
          };
  
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_Farneback();
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_Farneback_CUDA();
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_Farneback_OCL();
  
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_Simple();
  
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_DualTVL1();
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_DualTVL1_CUDA();
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_DualTVL1_OCL();
  
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_Brox_CUDA();
  
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_PyrLK_CUDA();
          CV_EXPORTS Ptr<DenseOpticalFlowExt> createOptFlow_PyrLK_OCL();
  
  //! @}
  
      }
  }
  
  #endif // __OPENCV_SUPERRES_OPTICAL_FLOW_HPP__
  