Kalman-Inspired Feature Propagation for Video Face Super-Resolution

• URL: http://arxiv.org/abs/2408.05205v1
• Date: Fri, 9 Aug 2024 17:57:12 GMT
• Title: Kalman-Inspired Feature Propagation for Video Face Super-Resolution
• Authors: Ruicheng Feng, Chongyi Li, Chen Change Loy,
• Abstract summary: We introduce a novel framework to maintain a stable face prior to time. The Kalman filtering principles offer our method a recurrent ability to use the information from previously restored frames to guide and regulate the restoration process of the current frame. Experiments demonstrate the effectiveness of our method in capturing facial details consistently across video frames.
• Score: 78.84881180336744
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Despite the promising progress of face image super-resolution, video face super-resolution remains relatively under-explored. Existing approaches either adapt general video super-resolution networks to face datasets or apply established face image super-resolution models independently on individual video frames. These paradigms encounter challenges either in reconstructing facial details or maintaining temporal consistency. To address these issues, we introduce a novel framework called Kalman-inspired Feature Propagation (KEEP), designed to maintain a stable face prior over time. The Kalman filtering principles offer our method a recurrent ability to use the information from previously restored frames to guide and regulate the restoration process of the current frame. Extensive experiments demonstrate the effectiveness of our method in capturing facial details consistently across video frames. Code and video demo are available at https://jnjaby.github.io/projects/KEEP.

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