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Related papers: Online Action Detection in Streaming Videos with T…

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We propose TubeR: a simple solution for spatio-temporal video action detection. Different from existing methods that depend on either an off-line actor detector or hand-designed actor-positional hypotheses like proposals or anchors, we…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Jiaojiao Zhao , Yanyi Zhang , Xinyu Li , Hao Chen , Shuai Bing , Mingze Xu , Chunhui Liu , Kaustav Kundu , Yuanjun Xiong , Davide Modolo , Ivan Marsic , Cees G. M. Snoek , Joseph Tighe

Anomaly detection in videos refers to the identification of events that do not conform to expected behavior. However, almost all existing methods tackle the problem by minimizing the reconstruction errors of training data, which cannot…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Wen Liu , Weixin Luo , Dongze Lian , Shenghua Gao

With exponential increase in the availability oftelemetry / streaming / real-time data, understanding contextualbehavior changes is a vital functionality in order to deliverunrivalled customer experience and build high performance andhigh…

Social and Information Networks · Computer Science 2019-02-19 Amit Kumar , Tanya Ahuja , Rajesh Kumar Madabhattula , Murali Kante , Srinivasa Rao Aravilli

Small, low-cost, wireless cameras are becoming increasingly commonplace making surreptitious observation of people more difficult to detect. Previous work in detecting hidden cameras has only addressed limited environments in small spaces…

Cryptography and Security · Computer Science 2020-03-31 Kevin Wu , Brent Lagesse

Online action recognition is an important task for human centered intelligent services, which is still difficult to achieve due to the varieties and uncertainties of spatial and temporal scales of human actions. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Guoliang Liu , Qinghui Zhang , Yichao Cao , Junwei Li , Hao Wu , Guohui Tian

Event perception tasks such as recognizing and localizing actions in streaming videos are essential for scaling to real-world application contexts. We tackle the problem of learning actor-centered representations through the notion of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Sathyanarayanan N. Aakur , Sudeep Sarkar

With advances in data-driven machine learning research, a wide variety of prediction models have been proposed to capture spatio-temporal features for the analysis of video streams. Recognising actions and detecting action transitions…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Harshala Gammulle , David Ahmedt-Aristizabal , Simon Denman , Lachlan Tychsen-Smith , Lars Petersson , Clinton Fookes

In this work we introduce a fully end-to-end approach for action detection in videos that learns to directly predict the temporal bounds of actions. Our intuition is that the process of detecting actions is naturally one of observation and…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 Serena Yeung , Olga Russakovsky , Greg Mori , Li Fei-Fei

We present a deep-learning framework for real-time multiple spatio-temporal (S/T) action localisation, classification and early prediction. Current state-of-the-art approaches work offline and are too slow to be useful in real- world…

Computer Vision and Pattern Recognition · Computer Science 2017-08-25 Gurkirt Singh , Suman Saha , Michael Sapienza , Philip Torr , Fabio Cuzzolin

Current state-of-the-art approaches for spatio-temporal action localization rely on detections at the frame level that are then linked or tracked across time. In this paper, we leverage the temporal continuity of videos instead of operating…

Computer Vision and Pattern Recognition · Computer Science 2017-08-22 Vicky Kalogeiton , Philippe Weinzaepfel , Vittorio Ferrari , Cordelia Schmid

Identifying a temporal pattern of events is a fundamental task of on-line (real-time) verification. We present efficient schemes for on-line monitoring of events for identifying desired/undesired patterns of events. The schemes use…

Data Structures and Algorithms · Computer Science 2015-05-28 Shlomi Dolev , Jonathan Goldfeld , Rami Puzis

Online action detection aims at the accurate action prediction of the current frame based on long historical observations. Meanwhile, it demands real-time inference on online streaming videos. In this paper, we advocate a novel and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Shuqiang Cao , Weixin Luo , Bairui Wang , Wei Zhang , Lin Ma

In recent years, video action recognition, as a fundamental task in the field of video understanding, has been deeply explored by numerous researchers.Most traditional video action recognition methods typically involve converting videos…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Junlin Chen , Chengcheng Xu , Yangfan Xu , Jian Yang , Jun Li , Zhiping Shi

Many industrial and security applications employ a suite of sensors for detecting abrupt changes in temporal behavior patterns. These abrupt changes typically manifest locally, rendering only a small subset of sensors informative.…

Machine Learning · Computer Science 2023-06-14 Aditya Gopalan , Venkatesh Saligrama , Braghadeesh Lakshminarayanan

The perceptive models of autonomous driving require fast inference within a low latency for safety. While existing works ignore the inevitable environmental changes after processing, streaming perception jointly evaluates the latency and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Jinrong Yang , Songtao Liu , Zeming Li , Xiaoping Li , Jian Sun

Temporal context plays a significant role in temporal action segmentation. In an offline setting, the context is typically captured by the segmentation network after observing the entire sequence. However, capturing and using such context…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Qing Zhong , Guodong Ding , Angela Yao

Understanding continuous video streams plays a fundamental role in real-time applications including embodied AI and autonomous driving. Unlike offline video understanding, streaming video understanding requires the ability to process video…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Yibin Yan , Jilan Xu , Shangzhe Di , Yikun Liu , Yudi Shi , Qirui Chen , Zeqian Li , Yifei Huang , Weidi Xie

While video streaming algorithms are a hot research area, with interesting new approaches proposed every few months, little is known about the behavior of the streaming algorithms deployed across large online streaming platforms that…

Networking and Internet Architecture · Computer Science 2020-01-10 Melissa Licciardello , Maximilian Grüner , Ankit Singla

Video action detection (VAD) aims to detect actors and classify their actions in a video. We figure that VAD suffers more from classification rather than localization of actors. Hence, we analyze how prevailing methods form features for…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Jinsung Lee , Taeoh Kim , Inwoong Lee , Minho Shim , Dongyoon Wee , Minsu Cho , Suha Kwak

Action prediction is to recognize the class label of an ongoing activity when only a part of it is observed. In this paper, we focus on online action prediction in streaming 3D skeleton sequences. A dilated convolutional network is…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Jun Liu , Amir Shahroudy , Gang Wang , Ling-Yu Duan , Alex C. Kot