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Hong-Jia Zhai

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#artificial intelligence Preprint Sep 2026

Exo2EgoHOI: Hand-Object-Interaction Aware Exocentric-to-Egocentric Video Generation

Egocentric videos of human manipulation provide valuable visual experience for embodied intelligence, yet collecting such data at scale is costly. Exocentric-to-egocentric video generation offers a scalable alternative by transforming abundant third-person manipulation videos into first-person observations. However, ex...

Hong-Jia Zhai, Xi-Yu Zhang, Hao-Ran Zhang et al. · 0 citations
Review Sep 2026

World-Action Models for Robot Learning and Control: A Survey

Robots operating in open environments act under partial observability, physical constraints, and dynamic task contexts. Beyond mapping observations and language instructions to actions, they must anticipate how candidate actions may affect future states and task-relevant outcomes. Recent advances in world models, video...

Zu-Xing Lu, Hong-Jia Zhai, Guan-Zhi Wang et al. · 1 citation

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