Camera calibration and player localization in soccernet-v2 and investigation of their representations for action spotting

A Cioppa, A Deliege, F Magera… - Proceedings of the …, 2021 - openaccess.thecvf.com
Soccer broadcast video understanding has been drawing a lot of attention in recent years
within data scientists and industrial companies. This is mainly due to the lucrative potential …

A context-aware loss function for action spotting in soccer videos

A Cioppa, A Deliege, S Giancola… - Proceedings of the …, 2020 - openaccess.thecvf.com
In video understanding, action spotting consists in temporally localizing human-induced
events annotated with single timestamps. In this paper, we propose a novel loss function that …

Improved soccer action spotting using both audio and video streams

B Vanderplaetse, S Dupont - Proceedings of the IEEE/CVF …, 2020 - openaccess.thecvf.com
In this paper, we propose a study on multi-modal (audio and video) action spotting and
classification in soccer videos. Action spotting and classification are the tasks that consist in …

500-fps omnidirectional visual tracking using three-axis active vision system

M Jiang, R Sogabe, K Shimasaki, S Hu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This study proposes a visual tracking system with 500-fps image processing that can detect
and track a fast-moving appearance-varying target in a 360-degree-field of view (FOV) from …

Omnidirectional panoramic video system with frame-by-frame ultrafast viewpoint control

S Hu, H Dong, K Shimasaki, M Jiang… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
This study developsan omnidirectional panoramic video system that can simultaneously
observe zoom-in images at dozens of different viewpoints in a field of view by synchronizing …

Sports field registration via keypoints-aware label condition

YJ Chu, JW Su, KW Hsiao, CY Lien… - Proceedings of the …, 2022 - openaccess.thecvf.com
We propose a novel deep learning framework for sports field registration. The typical
algorithmic flow for sports field registration involves extracting field-specific features (eg …

Achieving Sub-Pixel Platform Accuracy with Pan-Tilt-Zoom Cameras in Uncertain Times

MV Larsen, K Mathiassen - IEEE Transactions on Robotics, 2024 - ieeexplore.ieee.org
In this article, we present a novel method for self-calibrating a pan–tilt–zoom (PTZ) camera
system model, specifically suited for long-range multitarget tracking with maneuvering low …

BroadTrack: Broadcast Camera Tracking for Soccer

F Magera, T Hoyoux, O Barnich… - arXiv preprint arXiv …, 2024 - arxiv.org
Camera calibration and localization, sometimes simply named camera calibration, enables
many applications in the context of soccer broadcasting, for instance regarding the …

Linear Auto-calibration of Pan-Tilt-Zoom Cameras With Rotation Center Offset

Y Liu, H Zhang - 2023 IEEE International Conference on …, 2023 - ieeexplore.ieee.org
This paper addresses the linear auto-calibration problem of a pan-tilt-zoom (PTZ) camera.
Unlike existing methods, we take full advantage of the offset of the camera center from the …

Real-time calibration of wide-baseline outside-in multi-camera systems

S Sheorey, A Kumar, M Schmidt, A Shin - US Patent 12,094,175, 2024 - Google Patents
Techniques related to calibration of wide-baseline outside-in multi camera systems are
discussed. Such techniques include receiving video sequences and intrinsic parameters …