Cited by 31Human Pose and Action RecognitionAdvanced Vision and ImagingVideo Surveillance and Tracking Methods

Lifting Monocular Events to 3D Human Poses

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Scarpellini, Gianluca, Morerio, Pietro, Del Bue, Alessio·2021·2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)

Abstract

This paper presents a novel 3D human pose estimation approach using a single stream of asynchronous events as input. Most of the state-of-the-art approaches solve this task with RGB cameras, however struggling when subjects are moving fast. On the other hand, event-based 3D pose estimation benefits from the advantages of event-cameras, especially their efficiency and robustness to appearance changes. Yet, finding human poses in asynchronous events is in general more challenging than standard RGB pose estimation, since little or no events are triggered in static scenes. Here we propose the first learning-based method for 3D human pose from a single stream of events. Our method consists of two steps. First, we process the event-camera stream to predict three orthogonal heatmaps per joint; each heatmap is the projection of of the joint onto one orthogonal plane. Next, we fuse the sets of heatmaps to estimate 3D localisation of the body joints. As a further contribution, we make available a new, challenging dataset for event-based human pose estimation by simulating events from the RGB Human3.6m dataset. Experiments demonstrate that our method achieves solid accuracy, narrowing the performance gap between standard RGB and event-based vision. The code is freely available at https://iit-pavis.github.io/lifting_events_to_3d_hpe.

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  1. C. Brandli, R. Berner, M. Yang, S.-C. Liu, and T. Delbruck. A 240x180 130db 3µs latency global shutter spatiotempo- ral vision sensor. IEEE Journal of Solid-State Circuits, 49(10):2333-2341, 2014. 1
  2. Matthew Loper, Naureen Mahmood, Javier Romero, Gerard Pons-Moll, and Michael J. Black. Smpl. ACM Transactions on Graphics, 34(6):1-16, 2015. 2
  3. Morgan Kaufmann, San Francisco, 2005. 4
  4. Weipeng Xu, Avishek Chatterjee, Michael Zollhöfer, Helge Rhodin, Dushyant Mehta, Hans-Peter Seidel, and Christian Theobalt. Monoperfcap. ACM Transactions on Graphics, 37(2):1-15, 2018. 2

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Authors
Scarpellini, G., Morerio, P., & Del Bue, A.
Affiliations
Italian Institute of Technology (IT)
Venue
2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)
Publisher
IEEE
Published
2021-06
Pages
1358-1368
OpenAlex
W3156301890
Cited by
31
References
68
Citations by year
2026: 3 · 2025: 8 · 2024: 13 · 2023: 5 · 2022: 2
FWCI
1.64
Type
conference paper
Language
en
Open access
Locations
  • IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) (publishedVersion)
  • arXiv (Cornell University) (submittedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University) (cc-by)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Human Pose and Action Recognition
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Vision and Imaging
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Video Surveillance and Tracking Methods
Keywords
3D human pose estimation, event cameras, asynchronous events

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