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Wi-Fi sensing has emerged as a versatile tool for tasks such as localization, gesture recognition, and vital-sign monitoring, enabling applications from smart environments to personalized healthcare. However, sensing accuracy often…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Fabian Portner , Francesco Gringoli , Matthias Hollick , Arash Asadi

Static authentication methods, like passwords, grow increasingly weak with advancements in technology and attack strategies. Continuous authentication has been proposed as a solution, in which users who have gained access to an account are…

Artificial Intelligence · Computer Science 2022-05-30 Nyle Siddiqui , Rushit Dave , Naeem Seliya , Mounika Vanamala

WiFi human sensing has become increasingly attractive in enabling emerging human-computer interaction applications. The corresponding technique has gradually evolved from the classification of multiple activity types to more fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Yili Ren , Jie Yang

The authentication field is evolving towards mechanisms able to keep users continuously authenticated without the necessity of remembering or possessing authentication credentials. While existing continuous authentication systems have…

The first step of a secure communication is authenticating legible users and detecting the malicious ones. In the last recent years, some promising schemes proposed using wireless medium network's features, in particular, channel state…

Networking and Internet Architecture · Computer Science 2018-12-18 Amirhossein Yazdani Abyaneh , Ali Hosein Gharari Foumani , Vahid Pourahmadi

Passive human tracking via Wi-Fi has been researched broadly in the past decade. Besides straight-forward anchor point localization, velocity is another vital sign adopted by the existing approaches to infer user trajectory. However,…

Human-Computer Interaction · Computer Science 2022-07-29 Chenning Li , Li Liu , Zhichao Cao , Mi Zhang

AI-based sensing at wireless edge devices has the potential to significantly enhance Artificial Intelligence (AI) applications, particularly for vision and perception tasks such as in autonomous driving and environmental monitoring. AI…

Information Theory · Computer Science 2026-01-29 Mohamed Seif , Malcolm Egan , Andrea J. Goldsmith , H. Vincent Poor

Person re-identification (Re-ID) has become increasingly important as it supports a wide range of security applications. Traditional person Re-ID mainly relies on optical camera-based systems, which incur several limitations due to the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Yili Ren , Jie Yang

The research on human activity recognition has provided novel solutions to many applications like healthcare, sports, and user profiling. Considering the complex nature of human activities, it is still challenging even after effective and…

Human-Computer Interaction · Computer Science 2023-07-11 Ranjit Kolkar , Geetha V

Hidden wireless cameras pose significant privacy threats, necessitating effective detection and localization methods. However, existing solutions often require spacious activity areas, expensive specialized devices, or pre-collected…

Cryptography and Security · Computer Science 2024-09-24 Xiang Zhang , Jie Zhang , Zehua Ma , Jinyang Huang , Meng Li , Huan Yan , Peng Zhao , Zijian Zhang , Qing Guo , Tianwei Zhang , Bin Liu , Nenghai Yu

The Internet of Things (IoT) provides applications and services that would otherwise not be possible. However, the open nature of IoT make it vulnerable to cybersecurity threats. Especially, identity spoofing attacks, where an adversary…

Machine Learning · Computer Science 2020-09-07 Yongxin Liu , Jian Wang , Jianqiang Li , Houbing Song , Thomas Yang , Shuteng Niu , Zhong Ming

Automatic classification of running styles can enable runners to obtain feedback with the aim of optimizing performance in terms of minimizing energy expenditure, fatigue, and risk of injury. To develop a system capable of classifying…

Machine Learning · Computer Science 2021-09-24 Setareh Rahimi Taghanaki , Michael Rainbow , Ali Etemad

Research on video activity detection has primarily focused on identifying well-defined human activities in short video segments. The majority of the research on video activity recognition is focused on the development of large parameter…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Venkatesh Jatla , Sravani Teeparthi , Ugesh Egala , Sylvia Celedon Pattichis , Marios S. Patticis

The issue of privacy has gained significant attention in recent times. Many real-world applications increasingly require the use of sensitive data, such as in surveillance or tracking and assistance systems. To address these concerns, we…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Karim Saifullin , Sajid Ahmed , Mohamed-Slim Alouini

Activity detection is an important task in the next generation grant-free multiple access. While there are a number of existing algorithms designed for this purpose, they mostly require precise information about the network, such as…

Machine Learning · Computer Science 2024-02-05 Hao Zhang , Qingfeng Lin , Yang Li , Lei Cheng , Yik-Chung Wu

Human activity recognition using smart home sensors is one of the bases of ubiquitous computing in smart environments and a topic undergoing intense research in the field of ambient assisted living. The increasingly large amount of data…

Neural and Evolutionary Computing · Computer Science 2018-04-20 Deepika Singh , Erinc Merdivan , Ismini Psychoula , Johannes Kropf , Sten Hanke , Matthieu Geist , Andreas Holzinger

WiFi-based localization became one of the main indoor localization techniques due to the ubiquity of WiFi connectivity. However, indoor environments exhibit complex wireless propagation characteristics. Typically, these characteristics are…

Networking and Internet Architecture · Computer Science 2015-08-04 Heba Aly , Moustafa Youssef

Training deep learning models on in-home IoT sensory data is commonly used to recognise human activities. Recently, federated learning systems that use edge devices as clients to support local human activity recognition have emerged as a…

Machine Learning · Computer Science 2021-04-01 Yuchen Zhao , Hanyang Liu , Honglin Li , Payam Barnaghi , Hamed Haddadi

An increasing number of sensors on mobile, Internet of things (IoT), and wearable devices generate time-series measurements of physical activities. Though access to the sensory data is critical to the success of many beneficial applications…

Machine Learning · Computer Science 2018-06-13 Mohammad Malekzadeh , Richard G. Clegg , Hamed Haddadi

The rapid proliferation of Internet of Things (IoT) devices introduces significant security challenges due to limited visibility and weak device-level guarantees. Accurate and timely identification of devices is essential for enforcing…

Networking and Internet Architecture · Computer Science 2026-05-05 Alex Ciechonski , Fabio Palmese , Alessandro E. C. Redondi , Anna Maria Mandalari