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Automatic player identification is an essential and complex task in sports video analysis. Different strategies have been devised over the years, but identification based on jersey numbers is one of the most common approaches given its…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Divya Bhargavi , Erika Pelaez Coyotl , Sia Gholami

In this paper, we introduce a non-rigid registration pipeline for pairs of unorganized point clouds that may be topologically different. Standard warp field estimation algorithms, even under robust, discontinuity-preserving regularization,…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Konstantinos Zampogiannis , Cornelia Fermuller , Yiannis Aloimonos

The major challenge in today's computer vision scenario is the availability of good quality labeled data. In a field of study like image classification, where data is of utmost importance, we need to find more reliable methods which can…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Aashish Dhawan , Divyanshu Mudgal

This study outlines a light gradient boosted model aimed at predicting shot outcomes in the NHL. The model uses the NHL's spatiotemporal data to account for both the skill of shooters and goaltenders. This approach involves isolating and…

Other Computer Science · Computer Science 2025-11-18 J. T. P. Noel

Table tennis robots gained traction over the last years and have become a popular research challenge for control and perception algorithms. Fast and accurate ball detection is crucial for enabling a robotic arm to rally the ball back…

Robotics · Computer Science 2025-02-04 Andreas Ziegler , Thomas Gossard , Arren Glover , Andreas Zell

This paper applies the major computational tool from Topological Data Analysis (TDA), persistent homology, to discover patterns in the data related to professional sports teams. I will use official game data from the North-American National…

Other Computer Science · Computer Science 2014-09-29 Daniel Goldfarb

Applying an object detector, which is neither trained nor fine-tuned on data close to the final application, often leads to a substantial performance drop. In order to overcome this problem, it is necessary to consider a shift between…

Computer Vision and Pattern Recognition · Computer Science 2020-05-27 Alexey Abramov , Christopher Bayer , Claudio Heller

Recognizing actions in ice hockey using computer vision poses challenges due to bulky equipment and inadequate image quality. A novel two-stream framework has been designed to improve action recognition accuracy for hockey using three main…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Zixi Cai , Helmut Neher , Kanav Vats , David Clausi , John Zelek

We present a system that converts annotated broadcast video of tennis matches into interactively controllable video sprites that behave and appear like professional tennis players. Our approach is based on controllable video textures, and…

Graphics · Computer Science 2020-12-22 Haotian Zhang , Cristobal Sciutto , Maneesh Agrawala , Kayvon Fatahalian

In this paper, we propose a transformer-based procedure for the efficient registration of non-rigid 3D point clouds. The proposed approach is data-driven and adopts for the first time the transformer architecture in the registration task.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Giovanni Trappolini , Luca Cosmo , Luca Moschella , Riccardo Marin , Simone Melzi , Emanuele Rodolà

Registration is the process that computes the transformation that aligns sets of data. Commonly, a registration process can be divided into four main steps: target selection, feature extraction, feature matching, and transform computation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-29 Victor Villena-Martinez , Sergiu Oprea , Marcelo Saval-Calvo , Jorge Azorin-Lopez , Andres Fuster-Guillo , Robert B. Fisher

With the growing availability of multi-domain time series data, there is an increasing demand for general forecasting models pre-trained on multi-source datasets to support diverse downstream prediction scenarios. Existing time series…

Machine Learning · Computer Science 2025-09-09 Yihang Wang , Yuying Qiu , Peng Chen , Kai Zhao , Yang Shu , Zhongwen Rao , Lujia Pan , Bin Yang , Chenjuan Guo

Automatic surgical activity recognition enables more intelligent surgical devices and a more efficient workflow. Integration of such technology in new operating rooms has the potential to improve care delivery to patients and decrease…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Ali Mottaghi , Aidean Sharghi , Serena Yeung , Omid Mohareri

Reinforcement Learning is a promising tool for learning complex policies even in fast-moving and object-interactive domains where human teleoperation or hard-coded policies might fail. To effectively reflect this challenging category of…

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

We use a simple machine learning model, logistically-weighted regularized linear least squares regression, in order to predict baseball, basketball, football, and hockey games. We do so using only the thirty-year record of which visiting…

Applications · Statistics 2017-05-16 Alexander Dubbs

Predicting outcomes in sports is important for teams, leagues, bettors, media, and fans. Given the growing amount of player tracking data, sports analytics models are increasingly utilizing spatially-derived features built upon player…

Machine Learning · Computer Science 2022-07-29 Peter Xenopoulos , Claudio Silva

In problems such as sports video analytics, it is difficult to obtain accurate frame level annotations and exact event duration because of the lengthy videos and sheer volume of video data. This issue is even more pronounced in fast-paced…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Kanav Vats , Mehrnaz Fani , Pascale Walters , David A. Clausi , John Zelek

In a soccer game, the information provided by detecting and tracking brings crucial clues to further analyze and understand some tactical aspects of the game, including individual and team actions. State-of-the-art tracking algorithms…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Samuel Hurault , Coloma Ballester , Gloria Haro

Sports professionals constantly under pressure to perform at the highest level can benefit from sports analysis, which allows coaches and players to reduce manual efforts and systematically evaluate their performance using automated tools.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Yu-Hang Chien , Fang Yu