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Hybrid War** Fusion for Video Frame Interpolation

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Abstract

Video frame interpolation aims to synthesize new intermediate frames between existing ones, which is an important task in video enhancement. A classic direction in this field is flow-based which estimates motions in the form of optical flow, warps the frames, and synthesizes the final results. In this work, we explicitly investigate the war** step and propose a way to combine the strength from using both forward and backward war**. Our method, named HWFI, introduces hybrid war** fusion for frame interpolation. We also include edge information explicitly in our pipeline and employ channel attention in our synthesis network. Compared to the latest state-of-the-art method that only uses forward war**, our method produces better results with higher quality, especially in edge regions. Extensive experiments show that our method can obtain the best results qualitatively and quantitatively on multiple benchmark datasets.

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Author notes

  1. Yu Li and Ye Zhu have contributed equally to this work.

Authors and Affiliations

  1. International Digital Economy Academy (IDEA), Shenzhen, 518048, China

    Yu Li

  2. ARC Lab, Tencent PCG, Shenzhen, 518066, China

    Ye Zhu, **ntao Wang, Yue Luo & Ying Shan

  3. National University of Singapore, 117583, Singapore, Singapore

    Ruoteng Li

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  1. Yu Li
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  2. Ye Zhu
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  3. Ruoteng Li
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  4. **ntao Wang
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  5. Yue Luo
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  6. Ying Shan
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Correspondence to Yu Li.

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Communicated by Shaodi You.

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Li, Y., Zhu, Y., Li, R. et al. Hybrid War** Fusion for Video Frame Interpolation. Int J Comput Vis 130, 2980–2993 (2022). https://doi.org/10.1007/s11263-022-01683-9

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