mmcv.visualization.flowshow¶ mmcv.visualization.flowshow(flow: Union[numpy.ndarray, str], win_name: str = '', wait_time: int = 0) → None[source]¶ Show optical flow. Parameters flow (ndarray or str) – The optical flow to be displayed. win_name (str) – The window name. wait_time (int) – Value of waitKey param.