Author

Zi-Jie Zhu

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Preprint Sep 2026

OpenWAM: An Open, Modular Exploration Towards Systematic World-Action Model Pretraining

World-Action Models inherit world knowledge from video-generative priors, and channel it into executable control signals through embodied experience. Existing systems, however, are monolithic: the generative backbone, visual representation, architecture, information flow, inference procedure, and training data are tigh...

Yu-Ran Wang, Siqiao Huang, Ming-Lei Li et al. · 38 citations · ⚡4

Preprint Sep 2026

MINT: A Unified Model for World-Space Camera and Hand Motion Estimation from Scalable Egocentric Pipeline Supervision

This work introduces MINT (Minting IN-the-Wild Trajectories), a foundation model for world-space hand motion reconstruction from ego-centric RGB video and develops an open-source labeling EGOPIPELINE that converts large collections of public egocentric videos into structured camera-and-hand trajectory supervision.

Zi-Jie Zhu, Wei-Ren Cai, Yi-Zhou Wang et al. · 3 citations