google-deepmind / google-deepmind/kinetics-i3d

could you release the code to extract optical flow?

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Description

do I need to normalize RGB images to [0,1] from [0,255] before calculate optical flow?
I will follow the code here. https://github.com/opencv/opencv/blob/master/samples/gpu/optical_flow.cpp
And 'd_flow' is only output of TVL1.
how to split dx_flow and dy_flow?

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