[Submitted on 21 Oct 2026]
Title:EgoHand: Monocular 3D Hand Reconstruction from Egocentric Video
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Abstract:We introduce EgoHand, a monocular 3D hand reconstruction model that achieves state-of-the-art performance on egocentric video. Central to our approach is the curation of a high-quality training corpus of 14 million images, combining synthetic data, in-the-wild video, and multi-camera motion capture to balance scene diversity and supervision quality. The model adopts SOMA-Hand as its parametric representation and processes 2D hand crops with a transformer encoder, incorporating camera cues and an auxiliary 2D branch to improve geometric consistency and image alignment. Zero-shot evaluations on HOT3D, ARCTIC, and H2O demonstrate strong out-of-domain generalization, with lower joint-position, root-translation, and acceleration errors than competing baselines at an inference latency of approximately 9.69 ms. A blinded user preference study further shows that participants favor EgoHand's reconstructed hand poses over those from Apple EgoDex and Ropedia Xperience-10M. We release the EgoHand model and source code under the OpenMDW license, allowing free commercial use of the model.
Comments: Authors are listed alphabetically. Project leads are Chao-Yeh Chen, Tiffany Chen, and Umar Iqbal
Subjects:
Computer Vision and Pattern Recognition (cs.CV); Machine Learning (cs.LG)
Cite as: arXiv:2610.30293 [cs.CV]
(or arXiv:2610.30293v1 [cs.CV] for this version)
https://doi.org/10.48550/arXiv.2610.30293
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Tiffany Chen [view email] [v1] Wed, 21 Oct 2026 18:09:27 UTC (7,437 KB)
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