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| void | cv::optflow::calcOpticalFlowSF (InputArray from, InputArray to, OutputArray flow, int layers, int averaging_block_size, int max_flow) | 
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| void | cv::optflow::calcOpticalFlowSF (InputArray from, InputArray to, OutputArray flow, int layers, int averaging_block_size, int max_flow, double sigma_dist, double sigma_color, int postprocess_window, double sigma_dist_fix, double sigma_color_fix, double occ_thr, int upscale_averaging_radius, double upscale_sigma_dist, double upscale_sigma_color, double speed_up_thr) | 
|  | Calculate an optical flow using "SimpleFlow" algorithm. 
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| void | cv::optflow::calcOpticalFlowSparseToDense (InputArray from, InputArray to, OutputArray flow, int grid_step=8, int k=128, float sigma=0.05f, bool use_post_proc=true, float fgs_lambda=500.0f, float fgs_sigma=1.5f) | 
|  | Fast dense optical flow based on PyrLK sparse matches interpolation. 
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| Ptr< DenseOpticalFlow > | cv::optflow::createOptFlow_DeepFlow () | 
|  | DeepFlow optical flow algorithm implementation. 
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| Ptr< DualTVL1OpticalFlow > | cv::optflow::createOptFlow_DualTVL1 () | 
|  | Creates instance of cv::DenseOpticalFlow. 
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| Ptr< DenseOpticalFlow > | cv::optflow::createOptFlow_Farneback () | 
|  | Additional interface to the Farneback's algorithm - calcOpticalFlowFarneback() 
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| Ptr< DenseOpticalFlow > | cv::optflow::createOptFlow_SimpleFlow () | 
|  | Additional interface to the SimpleFlow algorithm - calcOpticalFlowSF() 
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| Ptr< DenseOpticalFlow > | cv::optflow::createOptFlow_SparseToDense () | 
|  | Additional interface to the SparseToDenseFlow algorithm - calcOpticalFlowSparseToDense() 
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