"No Signatures" by gandamu

"No Signatures" by gandamu

Oct 13, 2021
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We propose RIFE, a Real-time Intermediate Flow Estimation algorithm for Video Frame Interpolation (VFI). Many recent flow-based VFI methods first estimate the bi-directional optical flows, then scale and reverse them to approximate intermediate flows, leading to artifacts on motion boundaries. RIFE uses a neural network named IFNet that can directly estimate the intermediate flows from coarse-to-fine with much better speed. We design a privileged distillation scheme for training intermediate flow model, which leads to a large performance improvement. Experiments demonstrate that RIFE is flexible and can achieve state-of-the-art performance on several public benchmarks. The code is available at \url{https://github.com/hzwer/arXiv2020-RIFE}

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