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The automatic detection of events in sport videos has im-portant applications for data analytics, as well as for broadcasting andmedia companies. This paper presents a comprehensive approach for de-tecting a wide range of complex events in…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Lia Morra , Francesco Manigrasso , Giuseppe Canto , Claudio Gianfrate , Enrico Guarino , Fabrizio Lamberti

The development of audio event recognition systems require labeled training data, which are generally hard to obtain. One promising source of recordings of audio events is the large amount of multimedia data on the web. In particular, if…

Sound · Computer Science 2022-10-04 Anurag Kumar , Bhiksha Raj

This paper presents a baseline approach and an experimental protocol for a specific content verification problem: detecting discrepancies between the audio and video modalities in multimedia content. We first design and optimize an…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Konstantinos Apostolidis , Jakob Abesser , Luca Cuccovillo , Vasileios Mezaris

Wearable devices enable theoretically continuous, longitudinal monitoring of physiological measurements like step count, energy expenditure, and heart rate. Although the classification of abnormal cardiac rhythms such as atrial fibrillation…

Signal Processing · Electrical Eng. & Systems 2020-01-28 Jessica Torres Soto , Euan Ashley

Incorporating the audio stream enables Video Saliency Prediction (VSP) to imitate the selective attention mechanism of human brain. By focusing on the benefits of joint auditory and visual information, most VSP methods are capable of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Junwen Xiong , Ganglai Wang , Peng Zhang , Wei Huang , Yufei Zha , Guangtao Zhai

The objective of action quality assessment is to score sports videos. However, most existing works focus only on video dynamic information (i.e., motion information) but ignore the specific postures that an athlete is performing in a video,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Ling-An Zeng , Fa-Ting Hong , Wei-Shi Zheng , Qi-Zhi Yu , Wei Zeng , Yao-Wei Wang , Jian-Huang Lai

Adversarial attacks pose a threat to deep learning models. However, research on adversarial detection methods, especially in the multi-modal domain, is very limited. In this work, we propose an efficient and straightforward detection method…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Pingchuan Ma , Stavros Petridis , Maja Pantic

Sports video data is recorded for nearly every major tournament but remains archived and inaccessible to large scale data mining and analytics. It can only be viewed sequentially or manually tagged with higher-level labels which is time…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Anurag Ghosh , Suriya Singh , C. V. Jawahar

Spin plays a pivotal role in ball-based sports. Estimating spin becomes a key skill due to its impact on the ball's trajectory and bouncing behavior. Spin cannot be observed directly, making it inherently challenging to estimate. In table…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Thomas Gossard , Julian Krismer , Andreas Ziegler , Jonas Tebbe , Andreas Zell

In the context of fitness coaching or for rehabilitation purposes, the motor actions of a human participant must be observed and analyzed for errors in order to provide effective feedback. This task is normally carried out by human coaches,…

Artificial Intelligence · Computer Science 2017-09-27 Felix Hülsmann , Stefan Kopp , Mario Botsch

A simple method for synchronization of video streams with a precision better than one millisecond is proposed. The method is applicable to any number of rolling shutter cameras and when a few photographic flashes or other abrupt lighting…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Matej Smid , Jiri Matas

Typically, tennis court line detection is done by running Hough-Line-Detection to find straight lines in the image, and then computing a transformation matrix from the detected lines to create the final court structure. We propose numerous…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Sameer Agrawal , Ragoth Sundararajan , Vishak Sagar

Automatic Deception Detection has been a hot research topic for a long time, using machine learning and deep learning to automatically detect deception, brings new light to this old field. In this paper, we proposed a voting-based method…

Machine Learning · Computer Science 2024-03-18 Lana Touma , Mohammad Al Horani , Manar Tailouni , Anas Dahabiah , Khloud Al Jallad

Automatic event detection from time series signals has wide applications, such as abnormal event detection in video surveillance and event detection in geophysical data. Traditional detection methods detect events primarily by the use of…

Machine Learning · Computer Science 2018-09-26 Yue Wu , Youzuo Lin , Zheng Zhou , David Chas Bolton , Ji Liu , Paul Johnson

The golf swing is a complex movement requiring considerable full-body coordination to execute proficiently. As such, it is the subject of frequent scrutiny and extensive biomechanical analyses. In this paper, we introduce the notion of golf…

Computer Vision and Pattern Recognition · Computer Science 2019-03-18 William McNally , Kanav Vats , Tyler Pinto , Chris Dulhanty , John McPhee , Alexander Wong

Acoustic event detection is essential for content analysis and description of multimedia recordings. The majority of current literature on the topic learns the detectors through fully-supervised techniques employing strongly labeled data.…

Sound · Computer Science 2016-07-07 Anurag Kumar , Bhiksha Raj

Today, people can easily record memorable moments, ranging from concerts, sports events, lectures, family gatherings, and birthday parties with multiple consumer cameras. However, synchronizing these cross-camera streams remains…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Shaowei Liu , David Yifan Yao , Saurabh Gupta , Shenlong Wang

Tracking people in a video sequence is a challenging task that has been approached from many perspectives. This task becomes even more complicated when the person to track is a player in a broadcasted sport event, the reasons being the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Roberto L. Castro , Diego Andrade , Basilio Fraguela

Multimedia event detection is the task of detecting a specific event of interest in an user-generated video on websites. The most fundamental challenge facing this task lies in the enormously varying quality of the video as well as the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Minnan Luo , Xiaojun Chang , Chen Gong

Frequency estimation in data streams is one of the classical problems in streaming algorithms. Following much research, there are now almost matching upper and lower bounds for the trade-off needed between the number of samples and the…

Computational Complexity · Computer Science 2023-01-16 Shachar Lovett , Jiapeng Zhang
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