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Jia-Hua Dong

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Preprint Oct 2026

What 30,000 Hours of Ego-centric Video Does Not Teach

World models offer a promising alternative to physics-based simulators, yet remain far from practical deployment. We ask how far scaling ego-centric human video takes them, using a dataset of 30,000 hours spanning over 1,000 scene types and 14,000 contributors. Rather than relying on opaque downstream metrics, we direc...

Jia-Hua Dong, Anurag Bagchi, Yash Jangir et al. · 0 citations

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