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RFCam: Uncertainty-aware Fusion of Camera and Wi-Fi for Real-time Human Identification with Mobile Devices

Authors:

Shan LinAuthors Info & Claims

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Volume 6, Issue 2

Article No.: 47, Pages 1 - 29

https://doi.org/10.1145/3534588

Published: 07 July 2022 Publication History

Abstract

As cameras and Wi-Fi access points are widely deployed in public places, new mobile applications and services can be developed by connecting live video analytics to the mobile Wi-Fi-enabled devices of the relevant users. To achieve this, a critical challenge is to identify the person who carries a device in the video with the mobile device's network ID, e.g., MAC address. To address this issue, we propose RFCam, a system for human identification with a fusion of Wi-Fi and camera data. RFCam uses a multi-antenna Wi-Fi radio to collect CSI of Wi-Fi packets sent by mobile devices, and a camera to monitor users in the area. With low sampling rate CSI data, RFCam derives heterogeneous embedding features on location, motion, and user activity for each device over time, and fuses them with visual user features generated from video analytics to find the best matches. To mitigate the impacts of multi-user environments on wireless sensing, we develop video-assisted learning models for different features and quantify their uncertainties, and incorporate them with video analytics to rank moments and features for robust and efficient fusion. RFCam is implemented and tested in indoor environments for over 800 minutes with 25 volunteers, and extensive evaluation results demonstrate that RFCam achieves real-time identification average accuracy of 97.01% in all experiments with up to ten users, significantly outperforming existing solutions.

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Yang BJiang SXu LLiu KLi HXing GChen HJiang XYan Z(2024)DrHouse: An LLM-empowered Diagnostic Reasoning System through Harnessing Outcomes from Sensor Data and Expert KnowledgeProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36997658:4(1-29)Online publication date: 21-Nov-2024
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Jiao ADuan DXu W(2024)Medusa3D: The Watchful Eye Freezing Illegitimate Users in Virtual Reality InteractionsProceedings of the ACM on Human-Computer Interaction10.1145/36765158:MHCI(1-21)Online publication date: 24-Sep-2024
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Index Terms

RFCam: Uncertainty-aware Fusion of Camera and Wi-Fi for Real-time Human Identification with Mobile Devices
1. Human-centered computing
  1. Ubiquitous and mobile computing
    1. Ubiquitous and mobile computing systems and tools
2. Networks
  1. Network types
    1. Cyber-physical networks
      1. Sensor networks

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cover image Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies Volume 6, Issue 2

June 2022

1551 pages

EISSN:2474-9567

DOI:10.1145/3547347

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Copyright © 2022 ACM.

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Published: 07 July 2022

Published in IMWUT Volume 6, Issue 2

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Cited By

Yang BJiang SXu LLiu KLi HXing GChen HJiang XYan Z(2024)DrHouse: An LLM-empowered Diagnostic Reasoning System through Harnessing Outcomes from Sensor Data and Expert KnowledgeProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36997658:4(1-29)Online publication date: 21-Nov-2024
https://dl.acm.org/doi/10.1145/3699765
Jiao ADuan DXu W(2024)Medusa3D: The Watchful Eye Freezing Illegitimate Users in Virtual Reality InteractionsProceedings of the ACM on Human-Computer Interaction10.1145/36765158:MHCI(1-21)Online publication date: 24-Sep-2024
https://dl.acm.org/doi/10.1145/3676515
Cao YDhekne AAmmar M(2024)SigningRing: Signature-based Authentication using Inertial Sensors on a Ring Form-factorProceedings of the Workshop on Body-Centric Computing Systems10.1145/3662009.3662019(11-16)Online publication date: 3-Jun-2024
https://dl.acm.org/doi/10.1145/3662009.3662019
Gupta CSridhar SMatthies DJouffrais CNanayakkara S(2024)SonicVista: Towards Creating Awareness of Distant Scenes through SonificationProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36596098:2(1-32)Online publication date: 15-May-2024
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Li YYu DChen SXing GChen HOkoshi TKo JLiKamWa R(2024)Demo: EmoMarker: A Privacy-Preserving, Multi-Modal Sensing System for Dyadic Digital Biomarkers of Expressed Emotions for Patients with DementiaProceedings of the 22nd Annual International Conference on Mobile Systems, Applications and Services10.1145/3643832.3661844(614-615)Online publication date: 3-Jun-2024
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Xu ZLiu TJiang RHu PGuo ZLiu C(2024)AFaceProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36435108:1(1-33)Online publication date: 6-Mar-2024
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Kaur JDas S(2024)RSPP: Restricted Static Pseudo-Partitioning for Mitigation of Cross-Core Covert Channel AttacksACM Transactions on Design Automation of Electronic Systems10.1145/363722229:2(1-22)Online publication date: 15-Jan-2024
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Stray JHalevy AAssar PHadfield-Menell DBoutilier CAshar ABakalar CBeattie LEkstrand MLeibowicz CMoon Sehat CJohansen SKerlin LVickrey DSingh SVrijenhoek SZhang AAndrus MHelberger NProutskova PMitra TVasan N(2024)Building Human Values into Recommender Systems: An Interdisciplinary SynthesisACM Transactions on Recommender Systems10.1145/36322972:3(1-57)Online publication date: 5-Jun-2024
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Zhang TZhang DWang GLi YHu Ysun QChen Y(2024)RLocProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36314377:4(1-28)Online publication date: 12-Jan-2024
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