research-article

PmTrack: Enabling Personalized mmWave-based Human Tracking

Authors:

Keqiu LiAuthors Info & Claims

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Volume 7, Issue 4

Article No.: 167, Pages 1 - 30

https://doi.org/10.1145/3631433

Published: 12 January 2024 Publication History

Abstract

The difficulty in obtaining targets' identity poses a significant obstacle to the pursuit of personalized and customized millimeter-wave (mmWave) sensing. Existing solutions that learn individual differences from signal features have limitations in practical applications. This paper presents a Personalized mmWave-based human Tracking system, PmTrack, by introducing inertial measurement units (IMUs) as identity indicators. Widely available in portable devices such as smartwatches and smartphones, IMUs utilize existing wireless networks for data uploading of identity and data, and are therefore able to assist in radar target identification in a lightweight manner with little deployment and carrying burden for users. PmTrack innovatively adopts orientation as the matching feature, thus well overcoming the data heterogeneity between radar and IMU while avoiding the effect of cumulative errors. In the implementation of PmTrack, we propose a comprehensive set of optimization methods in detection enhancement, interference suppression, continuity maintenance, and trajectory correction, which successfully solved a series of practical problems caused by the three major challenges of weak reflection, point cloud overlap, and body-bounce ghost in multi-person tracking. In addition, an orientation correction method is proposed to overcome the IMU gimbal lock. Extensive experimental results demonstrate that PmTrack achieves an identification accuracy of 98% and 95% with five people in the hall and meeting room, respectively.

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Liu ALin YSundaresan K(2024)View-agnostic Human Exercise Cataloging with Single MmWave RadarProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36785128:3(1-23)Online publication date: 9-Sep-2024
https://dl.acm.org/doi/10.1145/3678512
Wang ZShi YWang YYao YYan KWang YJi LXu XYu C(2024)G-VOILA: Gaze-Facilitated Information Querying in Daily ScenariosProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36596238:2(1-33)Online publication date: 15-May-2024
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Index Terms

PmTrack: Enabling Personalized mmWave-based Human Tracking
1. Computer systems organization
  1. Embedded and cyber-physical systems
2. Human-centered computing
  1. Ubiquitous and mobile computing

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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 7, Issue 4

December 2023

1613 pages

EISSN:2474-9567

DOI:10.1145/3640795

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Published: 12 January 2024

Published in IMWUT Volume 7, Issue 4

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Cited By

Liu ALin YSundaresan K(2024)View-agnostic Human Exercise Cataloging with Single MmWave RadarProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36785128:3(1-23)Online publication date: 9-Sep-2024
https://dl.acm.org/doi/10.1145/3678512
Wang ZShi YWang YYao YYan KWang YJi LXu XYu C(2024)G-VOILA: Gaze-Facilitated Information Querying in Daily ScenariosProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36596238:2(1-33)Online publication date: 15-May-2024
https://doi.org/10.1145/3659623
Jiang XLiu SGember-Jacobson ABhagoji ASchmitt PBronzino FFeamster N(2024)NetDiffusion: Network Data Augmentation Through Protocol-Constrained Traffic GenerationProceedings of the ACM on Measurement and Analysis of Computing Systems10.1145/36390378:1(1-32)Online publication date: 21-Feb-2024
https://dl.acm.org/doi/10.1145/3639037
Ge WMou GAgu ELee K(2024)Deep Heterogeneous Contrastive Hyper-Graph Learning for In-the-Wild Context-Aware Human Activity RecognitionProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36314447:4(1-23)Online publication date: 12-Jan-2024
https://dl.acm.org/doi/10.1145/3631444
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