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The paper describes a deep neural network-based detector dedicated for ball and players detection in high resolution, long shot, video recordings of soccer matches. The detector, dubbed FootAndBall, has an efficient fully convolutional…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Jacek Komorowski , Grzegorz Kurzejamski , Grzegorz Sarwas

Estimating 3D bounding boxes from monocular images is an essential component in autonomous driving, while accurate 3D object detection from this kind of data is very challenging. In this work, by intensive diagnosis experiments, we quantify…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xinzhu Ma , Yinmin Zhang , Dan Xu , Dongzhan Zhou , Shuai Yi , Haojie Li , Wanli Ouyang

We propose a robust method for estimating road curb 3D parameters (size, location, orientation) using a calibrated monocular camera equipped with a fisheye lens. Automatic curb detection and localization is particularly important in the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Stanislav Panev , Francisco Vicente , Fernando De la Torre , Véronique Prinet

The paper describes a deep network based object detector specialized for ball detection in long shot videos. Due to its fully convolutional design, the method operates on images of any size and produces \emph{ball confidence map} encoding…

Computer Vision and Pattern Recognition · Computer Science 2019-08-22 Jacek Komorowski , Grzegorz Kurzejamski , Grzegorz Sarwas

3D object detection is vital as it would enable us to capture objects' sizes, orientation, and position in the world. As a result, we would be able to use this 3D detection in real-world applications such as Augmented Reality (AR),…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Abonia Sojasingarayar , Ashish Patel

In this paper we propose a novel 3D single-shot object detection method for detecting vehicles in monocular RGB images. Our approach lifts 2D detections to 3D space by predicting additional regression and classification parameters and hence…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Nils Gählert , Jun-Jun Wan , Nicolas Jourdan , Jan Finkbeiner , Uwe Franke , Joachim Denzler

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

Given an image sequence featuring a portion of a sports field filmed by a moving and uncalibrated camera, such as the one of the smartphones, our goal is to compute automatically in real time the focal length and extrinsic camera parameters…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Leonardo Citraro , Pablo Márquez-Neila , Stefano Savarè , Vivek Jayaram , Charles Dubout , Félix Renaut , Andrés Hasfura , Horesh Ben Shitrit , Pascal Fua

This paper proposes a method to extract the position and pose of vehicles in the 3D world from a single traffic camera. Most previous monocular 3D vehicle detection algorithms focused on cameras on vehicles from the perspective of a driver,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 Minghan Zhu , Songan Zhang , Yuanxin Zhong , Pingping Lu , Huei Peng , John Lenneman

Understanding the geometry and pose of objects in 2D images is a fundamental necessity for a wide range of real world applications. Driven by deep neural networks, recent methods have brought significant improvements to object pose…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Jogendra Nath Kundu , Rahul M. V. , Aditya Ganeshan , R. Venkatesh Babu

Given a monocular video of a soccer match, this paper presents a computational model to estimate the most feasible pass at any given time. The method leverages offensive player's orientation (plus their location) and opponents' spatial…

Computer Vision and Pattern Recognition · Computer Science 2020-04-16 Adrià Arbués-Sangüesa , Adrián Martín , Javier Fernández , Coloma Ballester , Gloria Haro

Monocular multi-object detection and localization in 3D space has been proven to be a challenging task. The MoNet3D algorithm is a novel and effective framework that can predict the 3D position of each object in a monocular image and draw a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Xichuan Zhou , Yicong Peng , Chunqiao Long , Fengbo Ren , Cong Shi

Monocular 3D object detection is well-known to be a challenging vision task due to the loss of depth information; attempts to recover depth using separate image-only approaches lead to unstable and noisy depth estimates, harming 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Ivan Barabanau , Alexey Artemov , Evgeny Burnaev , Vyacheslav Murashkin

With the recent development of Deep Learning applied to Computer Vision, sport video understanding has gained a lot of attention, providing much richer information for both sport consumers and leagues. This paper introduces…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Gabriel Van Zandycke , Vladimir Somers , Maxime Istasse , Carlo Del Don , Davide Zambrano

Accurate camera calibration is essential for transforming 2D images from camera sensors into 3D world coordinates, enabling precise scene geometry interpretation and supporting sports analytics tasks such as player tracking, offside…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Nikolay S. Falaleev , Ruilong Chen

This paper proposes a novel approach for detecting objects using mobile robots in the context of the RoboCup Standard Platform League, with a primary focus on detecting the ball. The challenge lies in detecting a dynamic object in varying…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Arne Moos

One of the emerging trends for sports analytics is the growing use of player and ball tracking data. A parallel development is deep learning predictive approaches that use vast quantities of data with less reliance on feature engineering.…

Neural and Evolutionary Computing · Computer Science 2016-08-17 Rajiv Shah , Rob Romijnders

Current monocular 3D detectors are held back by the limited diversity and scale of real-world datasets. While data augmentation certainly helps, it's particularly difficult to generate realistic scene-aware augmented data for outdoor…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Rishubh Parihar , Srinjay Sarkar , Sarthak Vora , Jogendra Kundu , R. Venkatesh Babu

Performing tasks in agriculture, such as fruit monitoring or harvesting, requires perceiving the objects' spatial position. RGB-D cameras are limited under open-field environments due to lightning interferences. So, in this study, we state…

Although orientation has proven to be a key skill of soccer players in order to succeed in a broad spectrum of plays, body orientation is a yet-little-explored area in sports analytics' research. Despite being an inherently ambiguous…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Adrià Arbués-Sangüesa , Adrián Martín , Javier Fernández , Carlos Rodríguez , Gloria Haro , Coloma Ballester