Author

Yuxi Wang

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Preprint Sep 2026

InfiniHand: Streaming World-Space Hand Motion Estimation from Egocentric Video

InfiniHand is an end-to-end streaming feed-forward framework that jointly estimates MANO parameters, camera trajectories, and hand locations directly from uncalibrated egocentric video, achieving a 21% reduction in ARCTIC PA-p compared to ViDiHand while substantially mitigating world-space drift.

Ke-Rui Ren, Kai-Wen Song, Weiguang Zhao et al. · 0 citations

Jun 2026

The Surprising Effectiveness of Video Diffusion Models for Hand Motion Reconstruction

4D hand motion reconstruction from egocentric video is bottlenecked by clear limitations of existing methods: image-based pipelines depend on a detector that fails under heavy occlusion, while video-based methods rely on temporal modules learned only from scarce hand-pose annotations, a narrow signal insufficient to mo...

Yuxi Wang, Chengkai Jin, Yufei Liu et al. · arXiv.org · 1 citation · ⚡1