ICME 2025 Grand Challenge on Video Super-Resolution for Video Conferencing

• URL: http://arxiv.org/abs/2506.12269v2
• Date: Tue, 01 Jul 2025 07:44:59 GMT
• Title: ICME 2025 Grand Challenge on Video Super-Resolution for Video Conferencing
• Authors: Babak Naderi, Ross Cutler, Juhee Cho, Nabakumar Khongbantabam, Dejan Ivkovic,
• Abstract summary: Super-Resolution (SR) is a critical task in computer vision, focusing on reconstructing high-resolution (HR) images from low-resolution (LR) inputs.<n>Video Super-Resolution (VSR) extends this to the temporal domain, aiming to enhance video quality using methods like local, uni-, bi-directional propagation, or traditional upscaling followed by restoration.<n>This challenge addresses VSR for conferencing, where LR videos are encoded with H.265 at fixed QPs.<n>The goal is to upscale videos by a specific factor, providing HR outputs with enhanced perceptual quality under a low-delay scenario using causal
• Score: 11.461315814208437
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Super-Resolution (SR) is a critical task in computer vision, focusing on reconstructing high-resolution (HR) images from low-resolution (LR) inputs. The field has seen significant progress through various challenges, particularly in single-image SR. Video Super-Resolution (VSR) extends this to the temporal domain, aiming to enhance video quality using methods like local, uni-, bi-directional propagation, or traditional upscaling followed by restoration. This challenge addresses VSR for conferencing, where LR videos are encoded with H.265 at fixed QPs. The goal is to upscale videos by a specific factor, providing HR outputs with enhanced perceptual quality under a low-delay scenario using causal models. The challenge included three tracks: general-purpose videos, talking head videos, and screen content videos, with separate datasets provided by the organizers for training, validation, and testing. We open-sourced a new screen content dataset for the SR task in this challenge. Submissions were evaluated through subjective tests using a crowdsourced implementation of the ITU-T Rec P.910.

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