FarnebackOpticalFlow  215 modules/cudaoptflow/include/opencv2/cudaoptflow.hpp class CV_EXPORTS FarnebackOpticalFlow : public DenseOpticalFlow
FarnebackOpticalFlow   64 modules/superres/include/opencv2/superres/optical_flow.hpp         class CV_EXPORTS FarnebackOpticalFlow : public virtual DenseOpticalFlowExt
FarnebackOpticalFlow  588 modules/video/src/optflowgf.cpp class FarnebackOpticalFlow