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200 papers

Wi-Fi is among the most successful wireless technologies ever invented. As Wi-Fi becomes more and more present in public and private spaces, it becomes natural to leverage its ubiquitousness to implement groundbreaking wireless sensing…

Networking and Internet Architecture · Computer Science 2021-03-30 Francesco Restuccia

WiFi human sensing has achieved great progress in indoor localization, activity classification, etc. Retracing the development of these work, we have a natural question: can WiFi devices work like cameras for vision applications? In this…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Fei Wang , Stanislav Panev , Ziyi Dai , Jinsong Han , Dong Huang

Recent research has shown that human motions and positions can be recognized through WiFi signals. The key intuition is that different motions and positions introduce different multi-path distortions in WiFi signals and generate different…

Signal Processing · Electrical Eng. & Systems 2018-10-30 Heju Li , Xukai Chen , Haohua Du , Xin He , Jianwei Qian , Peng-Jun Wan , Panlong Yang

Human identification plays an important role in human-computer interaction. There have been numerous methods proposed for human identification (e.g., face recognition, gait recognition, fingerprint identification, etc.). While these methods…

Human-Computer Interaction · Computer Science 2016-08-12 Tong Xin , Bin Guo , Zhu Wang , Mingyang Li , Zhiwen Yu

Generative Artificial Intelligence (GenAI) has made significant advancements in fields such as computer vision (CV) and natural language processing (NLP), demonstrating its capability to synthesize high-fidelity data and improve…

Machine Learning · Computer Science 2025-09-22 Zheng Yang , Guoxuan Chi , Chenshu Wu , Hanyu Liu , Yuchong Gao , Yunhao Liu , Jie Xu , Tony Xiao Han

Recent years have witnessed the rapid development in the research topic of WiFi sensing that automatically senses human with commercial WiFi devices. This work falls into two major categories, i.e., the activity recognition and the indoor…

Human-Computer Interaction · Computer Science 2019-07-22 Fei Wang , Jianwei Feng , Yinliang Zhao , Xiaobin Zhang , Shiyuan Zhang , Jinsong Han

The paper targets the problem of human motion detection using Wireless Local Area Network devices (WiFi) equipped with pattern reconfigurable antennas. Motion sensing is obtained by monitoring the body-induced alterations of the ambient…

Networking and Internet Architecture · Computer Science 2022-05-03 Marco Santoboni , Riccardo Bersan , Stefano Savazzi , Alberto Zecchin , Vittorio Rampa Daniele Piazza

Thanks to the ubiquitous deployment of Wi-Fi hotspots, channel state information (CSI)-based Wi-Fi sensing can unleash game-changing applications in many fields, such as healthcare, security, and entertainment. However, despite one decade…

Networking and Internet Architecture · Computer Science 2023-02-03 Marco Cominelli , Francesco Gringoli , Francesco Restuccia

Emotion is an essential part of Artificial Intelligence (AI) and human mental health. Current emotion recognition research mainly focuses on single modality (e.g., facial expression), while human emotion expressions are multi-modal in…

Human-Computer Interaction · Computer Science 2020-12-22 Yu Gu , Xiang Zhang , Zhi Liu , Fuji Ren

WiFi-based human sensing has exhibited remarkable potential to analyze user behaviors in a non-intrusive and device-free manner, benefiting applications as diverse as smart homes and healthcare. However, most previous works focus on…

Signal Processing · Electrical Eng. & Systems 2024-03-13 Shuokang Huang , Kaihan Li , Di You , Yichong Chen , Arvin Lin , Siying Liu , Xiaohui Li , Julie A. McCann

This paper introduces a Wi-Fi signal based passive wireless sensing system that has the capability to detect diverse indoor human movements, from whole body motions to limb movements and including breathing movements of the chest. The real…

Signal Processing · Electrical Eng. & Systems 2022-04-14 Bo Tan , Alison Burrows , Robert Piechocki , Ian Craddock , Karl Woodbridge , Kevin Chetty

Human behavior recognition has been considered as a core technology that can facilitate variety of applications. However, accurate detection and recognition of human behavior is still a big challenge that attracts a lot of research efforts.…

Human-Computer Interaction · Computer Science 2017-12-04 Zhu Wang , Bin Guo , Zhiwen Yu , Xingshe Zhou

The growing role that artificial intelligence and specifically machine learning is playing in shaping the future of wireless communications has opened up many new and intriguing research directions. This paper motivates the research in the…

Machine Learning · Computer Science 2020-04-23 Muhammad Alrabeiah , Andrew Hredzak , Zhenhao Liu , Ahmed Alkhateeb

The air interface technology plays a crucial role in optimizing the communication quality for users. To address the challenges brought by the radio channel variations to air interface design, this article proposes a framework of wireless…

Signal Processing · Electrical Eng. & Systems 2024-10-01 Jianhua Zhang , Yichen Cai , Li Yu , Zhen Zhang , Yuxiang Zhang , Jialin Wang , Tao Jiang , Liang Xia , Ping Zhang

Ambient intelligence, continuously understanding human presence, activity, and physiology in physical spaces, is fundamental to smart environments, health monitoring, and human-computer interaction. WiFi infrastructure provides a…

Machine Learning · Computer Science 2026-02-13 Guozhen Zhu , Yuqian Hu , Sakila Jayaweera , Weihang Gao , Wei-Hsiang Wang , Jiaxuan Zhang , Beibei Wang , Chenshu Wu , K. J. Ray Liu

Eating is a fundamental activity in people's daily life. Studies have shown that many health-related problems such as obesity, diabetes and anemia are closely associated with people's unhealthy eating habits (e.g., skipping meals, eating…

Human-Computer Interaction · Computer Science 2020-04-13 Chen Wang , Zhenzhe Lin , Yucheng Xie , Xiaonan Guo , Yanzhi Ren , Yingying Chen

Many recent works have explored using WiFi-based sensing to improve SLAM, robot manipulation, or exploration. Moreover, widespread availability makes WiFi the most advantageous RF signal to leverage. But WiFi sensors lack an accurate,…

Robotics · Computer Science 2023-05-24 William Hunter , Aditya Arun , Dinesh Bharadia

Future sixth-generation (6G) networks are envisioned to support intelligent applications across various vertical scenarios, which have stringent requirements on high-precision sensing as well as ultra-low-latency data processing and…

Information Theory · Computer Science 2024-10-29 Yuanhao Cui , Xiaowen Cao , Guangxu Zhu , Jiali Nie , Jie Xu

Existing person re-identification methods rely on the visual sensor to capture the pedestrians. The image or video data from visual sensor inevitably suffers the occlusion and dramatic variations of pedestrian postures, which degrades the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-07 Yiheng Liu , Wengang Zhou , Mao Xi , Sanjing Shen , Houqiang Li

WiFi technology has been applied to various places due to the increasing requirement of high-speed Internet access. Recently, besides network services, WiFi sensing is appealing in smart homes since it is device-free, cost-effective and…

Networking and Internet Architecture · Computer Science 2022-08-23 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Qianwen Xu , Lihua Xie