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相关论文: Cross-user activity recognition using deep domain …

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Most recent work on vision-based human activity recognition (HAR) focuses on designing complex deep learning models for the task. In so doing, there is a requirement for large datasets to be collected. As acquiring and processing large…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Bruce X. B. Yu , Yan Liu , Keith C. C. Chan

Cross-domain sequential recommendation (CDSR) alleviates interaction sparsity by jointly modeling user behaviors across multiple domains. While current studies have made some progresses, they still neglect two issues that severely impact…

信息检索 · 计算机科学 2026-05-05 Zhida Qin , Zemu Liu , Haoyan Fu , Chong Zhang , Tianyu Huang , Yidong Li , Gangyi Ding

Skeletal sequence data, as a widely employed representation of human actions, are crucial in Human Activity Recognition (HAR). Recently, adversarial attacks have been proposed in this area, which exposes potential security concerns, and…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Yunfeng Diao , Baiqi Wu , Ruixuan Zhang , Ajian Liu , Xiaoshuai Hao , Xingxing Wei , Meng Wang , He Wang

The problem of human activity recognition is central for understanding and predicting the human behavior, in particular in a prospective of assistive services to humans, such as health monitoring, well being, security, etc. There is…

机器学习 · 统计学 2013-12-30 Faicel Chamroukhi , Samer Mohammed , Dorra Trabelsi , Latifa Oukhellou , Yacine Amirat

Deep learning models can achieve high accuracy when trained on large amounts of labeled data. However, real-world scenarios often involve several challenges: Training data may become available in installments, may originate from multiple…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Boqi Chen , Kevin Thandiackal , Pushpak Pati , Orcun Goksel

Human activity recognition (HAR) is one of the core research themes in ubiquitous and wearable computing. With the shift to deep learning (DL) based analysis approaches, it has become possible to extract high-level features and perform…

机器学习 · 计算机科学 2023-05-24 Shuai Shao , Yu Guan , Bing Zhai , Paolo Missier , Thomas Ploetz

An integral part of video analysis and surveillance is temporal activity detection, which means to simultaneously recognize and localize activities in long untrimmed videos. Currently, the most effective methods of temporal activity…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Lingling Zhang , Xiaojun Chang , Jun Liu , Minnan Luo , Sen Wang , Zongyuan Ge , Alexander Hauptmann

With the global population ageing, it is crucial to enable individuals to live independently and safely in their homes. Using ubiquitous sensors such as Passive InfraRed sensors (PIR) and door sensors is drawing increasing interest for…

机器学习 · 计算机科学 2026-01-21 Marina Vicini , Martin Rudorfer , Zhuangzhuang Dai , Luis J. Manso

Human activity recognition (HAR) using drone-mounted cameras has attracted considerable interest from the computer vision research community in recent years. A robust and efficient HAR system has a pivotal role in fields like video…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Santosh Kumar Yadav , Achleshwar Luthra , Esha Pahwa , Kamlesh Tiwari , Heena Rathore , Hari Mohan Pandey , Peter Corcoran

Continual learning, also known as lifelong learning, is an emerging research topic that has been attracting increasing interest in the field of machine learning. With human activity recognition (HAR) playing a key role in enabling numerous…

机器学习 · 计算机科学 2022-11-18 Rebecca Adaimi , Edison Thomaz

Domain adaptation (DA) is transfer learning which aims to leverage labeled data in a related source domain to achieve informed knowledge transfer and help the classification of unlabeled data in a target domain. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2017-05-25 Lingkun Luo , Xiaofang Wang , Shiqiang Hu , Liming Chen

Human Activity Recognition (HAR) is a challenging, multi-label classification problem as activities may co-occur and sensor signals corresponding to the same activity may vary in different contexts (e.g., different device placements). This…

机器学习 · 计算机科学 2024-09-30 Wen Ge , Guanyi Mou , Emmanuel O. Agu , Kyumin Lee

Human Activity Recognition (HAR) has become a spotlight in recent scientific research because of its applications in various domains such as healthcare, athletic competitions, smart cities, and smart home. While researchers focus on the…

信号处理 · 电气工程与系统科学 2023-05-18 Mohammadreza Heydarian , Thomas E. Doyle

Active Domain Adaptation (ADA) aims to maximally boost model adaptation in a new target domain by actively selecting a limited number of target data to annotate.This setting neglects the more practical scenario where training data are…

人工智能 · 计算机科学 2023-11-23 Wenqiao Zhang , Zheqi Lv , Hao Zhou , Jia-Wei Liu , Juncheng Li , Mengze Li , Siliang Tang , Yueting Zhuang

Unsupervised domain adaptation (UDA) has successfully addressed the domain shift problem for visual applications. Yet, these approaches may have limited performance for time series data due to the following reasons. First, they mainly rely…

机器学习 · 计算机科学 2022-07-19 Mohamed Ragab , Emadeldeen Eldele , Zhenghua Chen , Min Wu , Chee-Keong Kwoh , Xiaoli Li

Wearable data is a rich source of information that can provide deeper understanding of links between human behaviours and human health. Existing modelling approaches use wearable data summarized at subject level via scalar summaries using…

Semi-supervised domain adaptation (SSDA) adapts a learner to a new domain by effectively utilizing source domain data and a few labeled target samples. It is a practical yet under-investigated research topic. In this paper, we analyze the…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Wenqiao Zhang , Changshuo Liu , Can Cui , Beng Chin Ooi

This paper focuses on the Continual Test-Time Adaptation (CTTA) task, aiming to enable an agent to continuously adapt to evolving target domains while retaining previously acquired domain knowledge for effective reuse when those domains…

计算机视觉与模式识别 · 计算机科学 2025-12-29 JianChao Zhao , Chenhao Ding , Songlin Dong , Jiangyang Li , Qiang Wang , Yuhang He , Yihong Gong

In practice, Wearable Human Activity Recognition (WHAR) models usually face performance degradation on the new user due to user variance. Unsupervised domain adaptation (UDA) becomes the natural solution to cross-user WHAR under annotation…

信号处理 · 电气工程与系统科学 2023-06-05 Rong Hu , Ling Chen , Shenghuan Miao , Xing Tang

Human Action Recognition (HAR) is a challenging domain in computer vision, involving recognizing complex patterns by analyzing the spatiotemporal dynamics of individuals' movements in videos. These patterns arise in sequential data, such as…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Ali K. AlShami , Ryan Rabinowitz , Khang Lam , Yousra Shleibik , Melkamu Mersha , Terrance Boult , Jugal Kalita