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Accurately localizing objects in three dimensions (3D) is crucial for various computer vision applications, such as robotics, autonomous driving, and augmented reality. This task finds another important application in sports analytics and,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Marcello Davide Caio , Gabriel Van Zandycke , Christophe De Vleeschouwer

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

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 method for 3D ball trajectory estimation from a 2D tracking sequence. To overcome the ambiguity in 3D from 2D estimation, we design an LSTM-based pipeline that utilizes a novel canonical 3D representation that is independent of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Puntawat Ponglertnapakorn , Supasorn Suwajanakorn

In the RoboCup Small Size League (SSL), teams are encouraged to propose solutions for executing basic soccer tasks inside the SSL field using only embedded sensing information. Thus, this work proposes an embedded monocular vision approach…

Robotics · Computer Science 2022-07-21 João G. Melo , Edna Barros

This paper presents a unified framework to (i) locate the ball, (ii) predict the pose, and (iii) segment the instance mask of players in team sports scenes. Those problems are of high interest in automated sports analytics, production, and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Seyed Abolfazl Ghasemzadeh , Gabriel Van Zandycke , Maxime Istasse , Niels Sayez , Amirafshar Moshtaghpour , Christophe De Vleeschouwer

In this work, we propose a novel way of efficiently localizing a soccer field from a single broadcast image of the game. Related work in this area relies on manually annotating a few key frames and extending the localization to similar…

Computer Vision and Pattern Recognition · Computer Science 2016-04-12 Namdar Homayounfar , Sanja Fidler , Raquel Urtasun

We propose a computationally efficient method for real-time three-dimensional football trajectory reconstruction from a single broadcast camera. In contrast to previous work, our approach introduces a multi-mode state model with $W$…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Dmitrii Vorobev , Artem Prosvetov , Karim Elhadji Daou

This paper considers the task of detecting the ball from a single viewpoint in the challenging but common case where the ball interacts frequently with players while being poorly contrasted with respect to the background. We propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Gabriel Van Zandycke , Christophe De Vleeschouwer

Multi-object tracking, player identification, and pose estimation are fundamental components of sports analytics, essential for analyzing player movements, performance, and tactical strategies. However, existing datasets and methodologies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Kazuhiro Yamada , Li Yin , Qingrui Hu , Ning Ding , Shunsuke Iwashita , Jun Ichikawa , Kiwamu Kotani , Calvin Yeung , Keisuke Fujii

The filming of sporting events projects and flattens the movement of athletes in the world onto a 2D broadcast image. The pixel locations of joints in these images can be detected with high validity. Recovering the actual 3D movement of the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Tobias Baumgartner , Stefanie Klatt

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

We present a novel method for precise 3D object localization in single images from a single calibrated camera using only 2D labels. No expensive 3D labels are needed. Thus, instead of using 3D labels, our model is trained with…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Daniel Kienzle , Julian Lorenz , Katja Ludwig , Rainer Lienhart

We present a model that uses a single first-person image to generate an egocentric basketball motion sequence in the form of a 12D camera configuration trajectory, which encodes a player's 3D location and 3D head orientation throughout the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Gedas Bertasius , Aaron Chan , Jianbo Shi

This paper investigates, using prior shape models and the concept of ball scale (b-scale), ways of automatically recognizing objects in 3D images without performing elaborate searches or optimization. That is, the goal is to place the model…

Computer Vision and Pattern Recognition · Computer Science 2015-05-18 Ulas Bagci , Jayaram K. Udupa , Xinjian Chen

A technique for object localization based on pose estimation and camera calibration is presented. The 3-dimensional (3D) coordinates are estimated by collecting multiple 2-dimensional (2D) images of the object and are utilized for the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Taha Hasan Masood Siddique , Muhammad Usman

Visual perception of the objects in a 3D environment is a key to successful performance in autonomous driving and simultaneous localization and mapping (SLAM). In this paper, we present a real time approach for estimating the distances to…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Hyeonwoo Yu , Jean Oh

Sports analysis requires processing large amounts of data, which is time-consuming and costly. Advancements in neural networks have significantly alleviated this burden, enabling highly accurate ball tracking in sports broadcasts. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Thomas Gossard , Andreas Ziegler , Andreas Zell

Accurate 3D human pose estimation from single images is possible with sophisticated deep-net architectures that have been trained on very large datasets. However, this still leaves open the problem of capturing motions for which no such…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Helge Rhodin , Jörg Spörri , Isinsu Katircioglu , Victor Constantin , Frédéric Meyer , Erich Müller , Mathieu Salzmann , Pascal Fua

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
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