Cited by 342Human Pose and Action RecognitionHuman Motion and Animation3D Shape Modeling and Analysis

Deep inertial poser: learning to reconstruct human pose from sparse inertial measurements in real time

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Huang, Yinghao, Kaufmann, Manuel, Aksan, Emre, Black, Michael J., Hilliges, Otmar, Pons-Moll, Gerard·2018·ACM Transactions on Graphics

Abstract

We demonstrate a novel deep neural network capable of reconstructing human full body pose in real-time from 6 Inertial Measurement Units (IMUs) worn on the user's body. In doing so, we address several difficult challenges. First, the problem is severely under-constrained as multiple pose parameters produce the same IMU orientations. Second, capturing IMU data in conjunction with ground-truth poses is expensive and difficult to do in many target application scenarios (e.g., outdoors). Third, modeling temporal dependencies through non-linear optimization has proven effective in prior work but makes real-time prediction infeasible. To address this important limitation, we learn the temporal pose priors using deep learning. To learn from sufficient data, we synthesize IMU data from motion capture datasets. A bi-directional RNN architecture leverages past and future information that is available at training time. At test time, we deploy the network in a sliding window fashion, retaining real time capabilities. To evaluate our method, we recorded DIP-IMU, a dataset consisting of 10 subjects wearing 17 IMUs for validation in 64 sequences with 330 000 time instants; this constitutes the largest IMU dataset publicly available. We quantitatively evaluate our approach on multiple datasets and show results from a real-time implementation. DIP-IMU and the code are available for research purposes. 1

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Crossref · 10.1145/3272127.3275108

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  • Recent approaches addressing the lack of annotated datasets extract virtual movement data from modalities such as mocap and videos, which contain a large number of participants and a diverse set of actions and environments.

    “Recent approaches addressing the lack of annotated datasets involve extraction of virtual movement data from modalities such as mocap [37, 72] and videos [44], which contain a large number of participants and diverse set of actions and environments.”

    From Contrastive Predictive Coding for Human Activity Recognition (2021) · cites this paper as [37]

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Authors
Huang, Y., Kaufmann, M., Aksan, E., Black, M. J., Hilliges, O., & Pons-Moll, G.
Affiliations
  • Max Planck Institute for Intelligent Systems (DE)
  • ETH Zurich (CH)
  • Max Planck Institute for Informatics, Saarbrücken, Germany
Venue
ACM Transactions on Graphics
Published
2018-12-04
Volume
37
Issue
6
Pages
1-15
ISSN
  • 0730-0301 (ISSN-L)
  • 1557-7368
OpenAlex
W2898073175
Cited by
342
References
72
Citations by year
2026: 43 · 2025: 54 · 2024: 69 · 2023: 56 · 2022: 38 · 2021: 44 · 2020: 26 · 2019: 12
FWCI
10.25
Type
journal article
Language
en
Open access
Locations
ACM Transactions on Graphics (publishedVersion)
Funders
  • Nvidia
  • H2020 European Research Council (717054)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Human Pose and Action Recognition
  • Physical Sciences › Engineering › Control and Systems Engineering › Human Motion and Animation
  • Physical Sciences › Engineering › Computational Mechanics › 3D Shape Modeling and Analysis
Keywords
inertial measurement unit, full-body pose estimation, real-time pose estimation, bidirectional recurrent neural network, motion capture, wearable sensors

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