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Related papers: WiFi-based Multi-task Sensing

200 papers

Wi-Fi sensing has emerged as a promising technique for gesture recognition, yet its practical deployment is hindered by environmental sensitivity and device placement challenges. To overcome these limitations we propose Wi-Fi Range and…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-25 Jessica Sanson , Rahul C. Shah , Yazhou Zhu , Rafael Rosales , Valerio Frascolla

Surgical gesture recognition is important for surgical data science and computer-aided intervention. Even with robotic kinematic information, automatically segmenting surgical steps presents numerous challenges because surgical…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Beatrice van Amsterdam , Matthew J. Clarkson , Danail Stoyanov

Device-free human activity recognition plays a pivotal role in wireless sensing. However, current systems often fail to accommodate signal transmission through walls or necessitate dedicated noise removal algorithms. To overcome these…

Systems and Control · Electrical Eng. & Systems 2024-10-04 Junshuo Liu , Yunlong Huang , Jianan Zhang , Rujing Xiong , Robert Caiming Qiu

Unsupervised user adaptation aligns the feature distributions of the data from training users and the new user, so a well-trained wearable human activity recognition (WHAR) model can be well adapted to the new user. With the development of…

Signal Processing · Electrical Eng. & Systems 2022-04-28 Ling Chen , Yi Zhang , Shenghuan Miao , Sirou Zhu , Rong Hu , Liangying Peng , Mingqi Lv

We introduce a new dynamic model with the capability of recognizing both activities that an individual is performing as well as where that ndividual is located. Our model is novel in that it utilizes a dynamic graphical model to jointly…

Artificial Intelligence · Computer Science 2012-07-02 Amarnag Subramanya , Alvin Raj , Jeff A. Bilmes , Dieter Fox

Fine-grained radio map presents communication parameters of interest, e.g., received signal strength, at every point across a large geographical region. It can be leveraged to improve the efficiency of spectrum utilization for a large area,…

Signal Processing · Electrical Eng. & Systems 2025-07-09 Zhiyuan Liu , Shuhang Zhang , Qingyu Liu , Hongliang Zhang , Lingyang Song

In future cellular systems, wireless localization and sensing functions will be built-in for specific applications, e.g., navigation, transportation, and healthcare, and to support flexible and seamless connectivity. Driven by this trend,…

Information Theory · Computer Science 2022-01-26 Hongliang Zhang , Boya Di , Kaigui Bian , Zhu Han , H. Vincent Poor , Lingyang Song

This paper presents GoPose, a 3D skeleton-based human pose estimation system that uses WiFi devices at home. Our system leverages the WiFi signals reflected off the human body for 3D pose estimation. In contrast to prior systems that need…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Yili Ren , Jie Yang

The use of WiFi signals to sense the physical environment is gaining popularity, with some common applications being motion detection and transmitter localization. Standard-compliant WiFi provides a cost effective, easy and…

Information Theory · Computer Science 2024-08-30 Florian Euchner , Stephan ten Brink

Providing users with accurate gestural interfaces, such as gesture recognition based on wrist-worn devices, is a key challenge in mixed reality. However, static machine learning processes in gesture recognition assume that training and test…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Junxiao Shen , Matthias De Lange , Xuhai "Orson" Xu , Enmin Zhou , Ran Tan , Naveen Suda , Maciej Lazarewicz , Per Ola Kristensson , Amy Karlson , Evan Strasnick

Privacy-preserving semantic understanding of human activities is important for indoor sensing, yet existing Wi-Fi CSI-based systems mainly focus on pose estimation or predefined action classification rather than fine-grained language…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Tzu-Ti Wei , Chu-Yu Huang , Yu-Chee Tseng , Jen-Jee Chen

Smart homes are further development of intelligent buildings and home automation, where context awareness and autonomous behaviour are added. They are based on a combination of the Internet and emerging technologies like wireless sensor…

Networking and Internet Architecture · Computer Science 2019-04-03 Per Lynggaard

The emergence of multiple sensory devices on or near a human body is uncovering new dynamics of extreme edge computing. In this, a powerful and resource-rich edge device such as a smartphone or a Wi-Fi gateway is transformed into a personal…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-12-14 Chulhong Min , Akhil Mathur , Alessandro Montanari , Utku Gunay Acer , Fahim Kawsar

Wireless Fidelity (WiFi) based indoor positioning is a widely researched area for determining the position of devices within a wireless network. Accurate indoor location has numerous applications, such as asset tracking and indoor…

Networking and Internet Architecture · Computer Science 2025-05-23 Nayan Sanjay Bhatia , Katia Obraczka

Vision-aided wireless communication is motivated by the recent advances in deep learning and computer vision as well as the increasing dependence on line-of-sight links in millimeter wave (mmWave) and terahertz systems. By leveraging…

Signal Processing · Electrical Eng. & Systems 2020-02-14 Muhammad Alrabeiah , Jayden Booth , Andrew Hredzak , Ahmed Alkhateeb

Wi-Fi channel state information (CSI) has emerged as a plausible modality for sensing different human activities as a function of modulations in the wireless signal that travels between wireless devices. Until now, most research has taken a…

Information Theory · Computer Science 2019-02-05 Mohammed Alloulah , Anton Isopoussu , Chulhong Min , Fahim Kawsar

Intelligent network operation and maintenance systems in modern networks continuously generate large volumes of multi-modal operational data. However, Wi-Fi fault diagnosis under heterogeneous operational environments remains insufficiently…

Networking and Internet Architecture · Computer Science 2026-05-22 Junjian Zhang , Haobo Deng , Xinxin Li , Ming Zhao , Fengxiao Tang , Nei Kato

Wireless sensor networks (WSNs) have many applications and are an essential part of IoT systems. The primary functionality of a WSN is gathering data from specific points that are covered with sensor nodes and transmitting the collected…

Networking and Internet Architecture · Computer Science 2022-10-13 Mustafa Can Çavdar , Ibrahim Korpeoglu , Özgür Ulusoy

This paper proposes an interactive system for mobile devices controlled by hand gestures aimed at helping people with visual impairments. This system allows the user to interact with the device by making simple static and dynamic hand…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Samer Alashhab , Antonio Javier Gallego , Miguel Ángel Lozano

Human computer interaction facilitates intelligent communication between humans and computers, in which gesture recognition plays a prominent role. This paper proposes a machine learning system to identify dynamic gestures using tri-axial…

Human-Computer Interaction · Computer Science 2018-09-19 Gautham Krishna G , Karthik Subramanian Nathan , Yogesh Kumar B , Ankith A Prabhu , Ajay Kannan , Vineeth Vijayaraghavan