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open-mmlab / denseflow

Extracting optical flow and frames
https://open-mmlab.github.io/
MIT License
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what's difference between the Optical Flow provided by OpenCV? #44

Closed lmy931 closed 3 years ago

lmy931 commented 3 years ago

Hi,

Here is the Optical Flow from OpenCV: https://docs.opencv.org/3.4/d4/dee/tutorial_optical_flow.html

Could you let me know the differences between them?

innerlee commented 3 years ago

It uses the cuda version of opencv, see https://github.com/open-mmlab/denseflow/blob/master/src/denseflow_gpu.cpp#L3