Cited by 557Hand Gesture Recognition SystemsContext-Aware Activity Recognition SystemsIndoor and Outdoor Localization Technologies

Zero-Effort Cross-Domain Gesture Recognition with Wi-Fi

Open access
Zheng, Yue, Zhang, Yi, Qian, Kun, Zhang, Guidong, Liu, Yunhao, Wu, Chenshu, Yang, Zheng·2019·Proceedings of the 17th Annual International Conference on Mobile Systems, Applications, and Services

Abstract

Wi-Fi based sensing systems, although sound as being deployed almost everywhere there is Wi-Fi, are still practically difficult to be used without explicit adaptation efforts to new data domains. Various pioneering approaches have been proposed to resolve this contradiction by either translating features between domains or generating domain-independent features at a higher learning level. Still, extra training efforts are necessary in either data collection or model re-training when new data domains appear, limiting their practical usability. To advance cross-domain sensing and achieve fully zero-effort sensing, a domain-independent feature at the lower signal level acts as a key enabler. In this paper, we propose Widar3.0, a Wi-Fi based zero-effort cross-domain gesture recognition system. The key insight of Widar3.0 is to derive and estimate velocity profiles of gestures at the lower signal level, which represent unique kinetic characteristics of gestures and are irrespective of domains. On this basis, we develop a one-fits-all model that requires only one-time training but can adapt to different data domains. We implement this design and conduct comprehensive experiments. The evaluation results show that without re-training and across various domain factors (i.e. environments, locations and orientations of persons), Widar3.0 achieves 92.7% in-domain recognition accuracy and 82.6%-92.4% cross-domain recognition accuracy, outperforming the state-of-the-art solutions. To the best of our knowledge, Widar3.0 is the first zero-effort cross-domain gesture recognition work via Wi-Fi, a fundamental step towards ubiquitous sensing.

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Authors
Zheng, Y., Zhang, Y., Qian, K., Zhang, G., Liu, Y., Wu, C., & Yang, Z.
Affiliations
  • Tsinghua University (CN)
  • Michigan State University (US)
  • University of Maryland, College Park (US)
Venue
Proceedings of the 17th Annual International Conference on Mobile Systems, Applications, and Services
Publisher
ACM
Published
2019-06-12
Pages
313-325
OpenAlex
W2950821050
Cited by
557
References
56
Citations by year
2026: 57 · 2025: 96 · 2024: 75 · 2023: 94 · 2022: 96 · 2021: 88 · 2020: 45 · 2019: 6
FWCI
47.58
Type
conference paper
Language
en
Open access
Locations
International Conference on Mobile Systems, Applications, and Services (publishedVersion)
Funders
  • National Key Research Plan (No. 2016YFC0700100)
  • National Science Foundation (CNS-1837146)
  • National Natural Science Foundation of China (61832010, 61632008, 61672319, 61872081)
Topics
  • Physical Sciences › Computer Science › Human-Computer Interaction › Hand Gesture Recognition Systems
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Indoor and Outdoor Localization Technologies
Keywords
WiFi sensing, gesture recognition, cross-domain recognition, domain-independent features, velocity profiles, ubiquitous sensing

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