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Wireless network security may be improved by identifying networked devices via traits that are tied to hardware differences, typically related to unique variations introduced in the manufacturing process. One way these variations manifest…

Signal Processing · Electrical Eng. & Systems 2021-08-11 Abu Bucker Siddik , Dawson Drake , Thomas Wilkinson , Phillip L. De Leon , Steven Sandoval , Margaret Campos

Machine learning drives Channel State Information (CSI)-based human sensing in modern wireless networks, enabling applications like device-free human activity recognition (HAR) and identification (HID). However, the susceptibility of these…

Machine Learning · Computer Science 2026-04-03 Shreevanth Krishnaa Gopalakrishnan , Stephen Hailes

Human social interactions occur in group settings of varying sizes and locations, depending on the type of social activity. The ability to distinguish group formations based on their purposes transforms how group detection mechanisms…

Human-Computer Interaction · Computer Science 2024-01-10 Akanksha Atrey , Camellia Zakaria , Rajesh Balan , Prashant Shenoy

We propose a sparse-coding framework for activity recognition in ubiquitous and mobile computing that alleviates two fundamental problems of current supervised learning approaches. (i) It automatically derives a compact, sparse and…

Machine Learning · Computer Science 2014-07-24 Sourav Bhattacharya , Petteri Nurmi , Nils Hammerla , Thomas Plötz

Wireless sensing is of great benefits to our daily lives. However, wireless signals are sensitive to the surroundings. Various factors, e.g. environments, locations, and individuals, may induce extra impact on wireless propagation. Such a…

Machine Learning · Computer Science 2025-02-13 Rui Zhou , Yu Cheng , Songlin Li , Hongwang Zhang , Chenxu Liu

Hand gestures are a form of non-verbal communication that is used in social interaction and it is therefore required for more natural human-robot interaction. Neuromorphic (brain-inspired) computing offers a low-power solution for Spiking…

Robotics · Computer Science 2023-07-26 Muhammad Aitsam , Alessandro Di Nuovo

Internet of Things is rapidly spreading across several fields, including healthcare, posing relevant questions related to communication capabilities, energy efficiency and sensors unobtrusiveness. Particularly, in the context of recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Giulia Cisotto , Martina Capuzzo , Anna V. Guglielmi , Andrea Zanella

In recent times, various modules such as squeeze-and-excitation, and others have been proposed to improve the quality of features learned from wearable sensor signals. However, these modules often cause the number of parameters to be large,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Ayokunle Olalekan Ige , Mohd Halim Mohd Noor

Wi-Fi signals may help realize low-cost and non-invasive human sensing, yet it can also be exploited by eavesdroppers to capture private information. Very few studies rise to handle this privacy concern so far; they either jam all sensing…

Cryptography and Security · Computer Science 2023-09-04 Jun Luo , Hangcheng Cao , Hongbo Jiang , Yanbing Yang , Zhe Chen

The possibility for humans to interact with physical or virtual systems using gestures has been vastly explored by researchers and designers in the last twenty years to provide new and intuitive interaction modalities. Unfortunately, the…

Human-Computer Interaction · Computer Science 2022-01-26 Alessandro Carfì , Fulvio Mastrogiovanni

Integrating cameras into wireless smart rings has been challenging due to size and power constraints. We introduce IRIS, the first wireless vision-enabled smart ring system for smart home interactions. Equipped with a camera, Bluetooth…

Human-Computer Interaction · Computer Science 2024-07-26 Maruchi Kim , Antonio Glenn , Bandhav Veluri , Yunseo Lee , Eyoel Gebre , Aditya Bagaria , Shwetak Patel , Shyamnath Gollakota

With the increasing need for wireless data transfer, Wi-Fi networks have rapidly grown in recent years providing high throughput and easy deployment. Nowadays, Access Points (APs) can be found easily wherever we go, therefore Wi-Fi sensing…

Signal Processing · Electrical Eng. & Systems 2019-11-13 Danilo Avola , Marco Cascio , Luigi Cinque , Daniele Pannone

Wearable sensor systems with transmitting capabilities are currently employed for the biometric screening of exercise activities and other performance data. Such technology is generally wireless and enables the noninvasive monitoring of…

Robotics · Computer Science 2020-11-13 Birgitta Dresp-Langley , Florent Nageotte , Philippe Zanne , Michel de Mathelin

We introduce AirWare, an in-air hand-gesture recognition system that uses the already embedded speaker and microphone in most electronic devices, together with embedded infrared proximity sensors. Gestures identified by AirWare are…

Human-Computer Interaction · Computer Science 2021-01-26 Nibhrat Lohia , Raunak Mundada , Arya D. McCarthy , Eric C. Larson

Wireless charging pads are common, yet their functionality is mainly restricted to charging. Existing gesture recognition techniques, such as those based on machine vision and WiFi, have drawbacks like high costs and poor precision. This…

Human-Computer Interaction · Computer Science 2025-01-28 Bojun Zhang

Person re-identification is a critical security task for recognizing a person across spatially disjoint sensors. Previous work can be computationally intensive and is mainly based on low-level cues extracted from RGB data and implemented on…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 George Cushen

Person Re-Identification is a key and challenging task in video surveillance. While traditional methods rely on visual data, issues like poor lighting, occlusion, and suboptimal angles often hinder performance. To address these challenges,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Danilo Avola , Emad Emam , Dario Montagnini , Daniele Pannone , Amedeo Ranaldi

This paper presents a novel hybrid deep learning framework designed to enhance the robustness of CSI-based Human Activity Recognition (HAR) within bandwidth-constrained Wi-Fi sensing environments. The core of our proposed methodology is a…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Alison M. Fernandes , Hermes I. Del Monego , Bruno S. Chang , Anelise Munaretto , Hélder M. Fontes , Rui Campos

In this paper, a real-time signal processing frame-work based on a 60 GHz frequency-modulated continuous wave (FMCW) radar system to recognize gestures is proposed. In order to improve the robustness of the radar-based gesture recognition…

Signal Processing · Electrical Eng. & Systems 2020-05-21 Yuliang Sun , Tai Fei , Xibo Li , Alexander Warnecke , Ernst Warsitz , Nils Pohl

Gesture recognition and hand motion tracking are important tasks in advanced gesture based interaction systems. In this paper, we propose to apply a sliding windows filtering approach to sample the incoming streams of data from data gloves…

Machine Learning · Computer Science 2019-12-02 Sara Masoud , Bijoy Chowdhury , Young-Jun Son , Chieri Kubota , Russell Tronstad