RIFE: Real-Time Intermediate Flow Estimation for Video Frame Interpolation
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RIFE: Real-Time Intermediate Flow Estimation for Video Frame Interpolation

Nov 22, 2020
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Abstract: We propose RIFE, a Real-time Intermediate Flow Estimation algorithm for Video Frame Interpolation (VFI). Most existing flow-based 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 images with much better speed. Based on our proposed leakage distillation loss, RIFE can be trained in an end-to-end fashion. Experiments demonstrate that our method is flexible and can achieve impressive performance on several public benchmarks. Authors: Zhewei Huang, Tianyuan Zhang, Wen Heng, Boxin Shi, Shuchang Zhou (Megvii Inc, Peking University)

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