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Camera calibration in broadcast sports videos presents numerous challenges for accurate sports field registration due to multiple camera angles, varying camera parameters, and frequent occlusions of the field. Traditional search-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Marc Gutiérrez-Pérez , Antonio Agudo

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 unlocked by effective deep learning techniques developed…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Anthony Cioppa , Adrien Deliège , Floriane Magera , Silvio Giancola , Olivier Barnich , Bernard Ghanem , Marc Van Droogenbroeck

Camera calibration and localization, sometimes simply named camera calibration, enables many applications in the context of soccer broadcasting, for instance regarding the interpretation and analysis of the game, or the insertion of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Floriane Magera , Thomas Hoyoux , Olivier Barnich , Marc Van Droogenbroeck

Calibrating narrow field of view soccer cameras is challenging because there are very few field markings in the image. Unlike previous solutions, we propose a two-point method, which requires only two point correspondences given the prior…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Jianhui Chen , Fangrui Zhu , James J. Little

Camera calibration is a crucial component in the realm of sports analytics, as it serves as the foundation to extract 3D information out of the broadcast images. Despite the significance of camera calibration research in sports analytics,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Floriane Magera , Thomas Hoyoux , Olivier Barnich , Marc Van Droogenbroeck

The detection of small and medium-sized objects in three dimensions has always been a frontier exploration problem. This technology has a very wide application in sports analysis, games, virtual reality, human animation and other fields.…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Lei Li , Tianfang Zhang , Zhongfeng Kang , Wenhan Zhang

Calibrating sports cameras is important for autonomous broadcasting and sports analysis. Here we propose a highly automatic method for calibrating sports cameras from a single image using synthetic data. First, we develop a novel camera…

Computer Vision and Pattern Recognition · Computer Science 2018-10-26 Jianhui Chen , James J. Little

Camera calibration involves estimating camera parameters to infer geometric features from captured sequences, which is crucial for computer vision and robotics. However, conventional calibration is laborious and requires dedicated…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Kang Liao , Lang Nie , Shujuan Huang , Chunyu Lin , Jing Zhang , Yao Zhao , Moncef Gabbouj , Dacheng Tao

Sports field registration in broadcast videos is typically interpreted as the task of homography estimation, which provides a mapping between a planar field and the corresponding visible area of the image. In contrast to previous…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Jonas Theiner , Ralph Ewerth

Sport analysis is crucial for team performance since it provides actionable data that can inform coaching decisions, improve player performance, and enhance team strategies. To analyze more complex features from game footage, a computer…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Adrian Manchado , Tanner Cellio , Jonathan Keane , Yiyang Wang

Calibration of multi-camera systems is a key task for accurate object tracking. However, it remains a challenging problem in real-world conditions, where traditional methods are not applicable due to the lack of accurate floor plans,…

Image and Video Processing · Electrical Eng. & Systems 2025-12-08 Aleksandr Abramov

The paper presents a multi-camera tracking method intended for tracking soccer players in long shot video recordings from multiple calibrated cameras installed around the playing field. The large distance to the camera makes it difficult to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Jacek Komorowski , Grzegorz Kurzejamski

Multi-camera systems are widely employed in sports to capture the 3D motion of athletes and equipment, yet calibrating their extrinsic parameters remains costly and labor-intensive. We introduce an efficient, tool-free method for…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Fan Yang , Changsoo Jung , Ryosuke Kawamura , Hon Yung Wong

Image editing and compositing have become ubiquitous in entertainment, from digital art to AR and VR experiences. To produce beautiful composites, the camera needs to be geometrically calibrated, which can be tedious and requires a physical…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Yannick Hold-Geoffroy , Dominique Piché-Meunier , Kalyan Sunkavalli , Jean-Charles Bazin , François Rameau , Jean-François Lalonde

Sports video analysis is a key domain in computer vision, enabling detailed spatial understanding through multi-view correspondences. In this work, we introduce SoccerNet-v3D and ISSIA-3D, two enhanced and scalable datasets designed for 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Marc Gutiérrez-Pérez , Antonio Agudo

We present a fully convolutional neural network architecture that is capable of estimating full probability surfaces of potential passes in soccer, derived from high-frequency spatiotemporal data. The network receives layers of low-level…

Machine Learning · Computer Science 2021-08-05 Javier Fernández , Luke Bornn

Clubs with access to expensive multi-camera setups or GPS tracking systems gain a competitive advantage through detailed data, whereas lower-budget teams are often unable to collect similar information. This paper examines whether such data…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Daniel Tshiani

Conventional multi-projector calibration requires projecting and capturing structured light patterns for each projector sequentially, causing calibration time and effort to increase linearly with the number of projectors. This scalability…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Takumi Kawano , Kohei Miura , Daisuke Iwai

Camera calibration plays a critical role in various computer vision tasks such as autonomous driving or augmented reality. Widely used camera calibration tools utilize plane pattern based methodology, such as using a chessboard or AprilTag…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yuzhuo Ren , Feng Hu

Camera-based perception systems play a central role in modern autonomous vehicles. These camera based perception algorithms require an accurate calibration to map the real world distances to image pixels. In practice, calibration is a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Ciarán Hogan , Ganesh Sistu , Ciarán Eising
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