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Related papers: Day2Dark: Pseudo-Supervised Activity Recognition b…

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Recognizing human actions in adverse lighting conditions presents significant challenges in computer vision, with wide-ranging applications in visual surveillance and nighttime driving. Existing methods tackle action recognition and dark…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Anwaar Ulhaq

Due to the numerous potential applications in visual surveillance and nighttime driving, recognizing human action in low-light conditions remains a difficult problem in computer vision. Existing methods separate action recognition and dark…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Anwaar Ulhaq

While action recognition (AR) has gained large improvements with the introduction of large-scale video datasets and the development of deep neural networks, AR models robust to challenging environments in real-world scenarios are still…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yuecong Xu , Jianfei Yang , Haozhi Cao , Jianxiong Yin , Zhenghua Chen , Xiaoli Li , Zhengguo Li , Qianwen Xu

This paper strives for activity recognition under domain shift, for example caused by change of scenery or camera viewpoint. The leading approaches reduce the shift in activity appearance by adversarial training and self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Yunhua Zhang , Hazel Doughty , Ling Shao , Cees G. M. Snoek

Nighttime surveillance suffers from degradation due to poor illumination and arduous human annotations. It is challengable and remains a security risk at night. Existing methods rely on multi-spectral images to perceive objects in the dark,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Guanzhou Lan , Bin Zhao , Xuelong Li

Autonomous vehicles and robots often struggle with reliable visual perception at night due to the low illumination and motion blur caused by the long exposure time of RGB cameras. Existing methods address this challenge by sequentially…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Ling Wang , Chen Wu , Lin Wang

We present an approach to perform supervised action recognition in the dark. In this work, we present our results on the ARID dataset. Most previous works only evaluate performance on large, well illuminated datasets like Kinetics and…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Sanchit Hira , Ritwik Das , Abhinav Modi , Daniil Pakhomov

Learning to recognize actions from only a handful of labeled videos is a challenging problem due to the scarcity of tediously collected activity labels. We approach this problem by learning a two-pathway temporal contrastive model using…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Ankit Singh , Omprakash Chakraborty , Ashutosh Varshney , Rameswar Panda , Rogerio Feris , Kate Saenko , Abir Das

Recognizing actions from a limited set of labeled videos remains a challenge as annotating visual data is not only tedious but also can be expensive due to classified nature. Moreover, handling spatio-temporal data using deep $3$D…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Owais Iqbal , Omprakash Chakraborty , Aftab Hussain , Rameswar Panda , Abir Das

Object detection at night is a challenging problem due to the absence of night image annotations. Despite several domain adaptation methods, achieving high-precision results remains an issue. False-positive error propagation is still…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Mikhail Kennerley , Jian-Gang Wang , Bharadwaj Veeravalli , Robby T. Tan

Human action recognition in dark videos is a challenging task for computer vision. Recent research focuses on applying dark enhancement methods to improve the visibility of the video. However, such video processing results in the loss of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Chi-Jui Chang , Oscar Tai-Yuan Chen , Vincent S. Tseng

Technologies of human action recognition in the dark are gaining more and more attention as huge demand in surveillance, motion control and human-computer interaction. However, because of limitation in image enhancement method and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Jingbo Zeng

The task of action recognition in dark videos is useful in various scenarios, e.g., night surveillance and self-driving at night. Though progress has been made in the action recognition task for videos in normal illumination, few have…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Yuecong Xu , Jianfei Yang , Haozhi Cao , Kezhi Mao , Jianxiong Yin , Simon See

Low light conditions not only degrade human visual experience, but also reduce the performance of downstream machine analytics. Although many works have been designed for low-light enhancement or domain adaptive machine analytics, the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Wenjing Wang , Zhengbo Xu , Haofeng Huang , Jiaying Liu

Vision-based activity recognition is essential for security, monitoring and surveillance applications. Further, real-time analysis having low-quality video and contain less information about surrounding due to poor illumination, and…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Tej Singh , Dinesh Kumar Vishwakarma

Object Detection, a fundamental computer vision problem, has paramount importance in smart camera systems. However, a truly reliable camera system could be achieved if and only if the underlying object detection component is robust enough…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Ujjal Kr Dutta

Traditional approaches to activity recognition involve the use of wearable sensors or cameras in order to recognise human activities. In this work, we extract fine-grained physical layer information from WiFi devices for the purpose of…

Networking and Internet Architecture · Computer Science 2021-04-20 Hok-Shing Lau , Ryan McConville , Mohammud J. Bocus , Robert J. Piechocki , Raul Santos-Rodriguez

Diagnostic and intervention methodologies for skill assessment of autism typically requires a clinician repetitively initiating several stimuli and recording the child's response. In this paper, we propose to automate the response…

Computer Vision and Pattern Recognition · Computer Science 2020-01-30 Prashant Pandey , Prathosh AP , Manu Kohli , Josh Pritchard

Video action recognition is a challenging but important task for understanding and discovering what the video does. However, acquiring annotations for a video is costly, and semi-supervised learning (SSL) has been studied to improve…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Seokun Kang , Taehwan Kim

Existing research based on deep learning has extensively explored the problem of daytime image dehazing. However, few studies have considered the characteristics of nighttime hazy scenes. There are two distinctions between nighttime and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Xiaofeng Cong , Jie Gui , Jing Zhang , Junming Hou , Hao Shen
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