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GMFlow: Learning Optical Flow via Global Matching. (arXiv:2111.13680v3 [cs.CV] UPDATED)
June 13, 2022, 1:12 a.m. | Haofei Xu, Jing Zhang, Jianfei Cai, Hamid Rezatofighi, Dacheng Tao
cs.CV updates on arXiv.org arxiv.org
Learning-based optical flow estimation has been dominated with the pipeline
of cost volume with convolutions for flow regression, which is inherently
limited to local correlations and thus is hard to address the long-standing
challenge of large displacements. To alleviate this, the state-of-the-art
framework RAFT gradually improves its prediction quality by using a large
number of iterative refinements, achieving remarkable performance but
introducing linearly increasing inference time. To enable both high accuracy
and efficiency, we completely revamp the dominant flow regression …
More from arxiv.org / cs.CV updates on arXiv.org
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