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Using RIFE for just optical flow #278
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I add a simple interface, I recommend to use RIFEm parameters => https://github.com/megvii-research/ECCV2022-RIFE#evaluation
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Thank you for your help! I was able to get this working. If I understand this correctly, if I want flow 0->1, I repeat the same call with slightly different parameters?
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Yes, I think you get it. I may add this issue to our README because it seems to be a useful function. |
Hi, I'm interested in just getting the optical flow between frame 1 and frame 2 (and not necessarily producing a frame 1.5 in between). Is there a way to combine the two intermediate flows produced by your model to obtain this? I'm having a hard time interpreting the intermediate flows produced by the model at different scales, and am not sure how best to proceed.
Specifically, I visualize the grid supplied to grid_sample to produce each warped image, and am unable to make sense of the output (attached flow[:, :2] and flow[:, 2:4] passed to warp, and g visualized with flow_vis). Should I be subtracting identity? If I do that, I obtain a grid that looks like the identity deformation. Any help is greatly appreciated.
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