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Xun Huang

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Preprint Aug 2026

Can Video World Models Track Unobserved World States?

Video world models are increasingly used as simulators, but visual fidelity alone does not show that a model maintains the hidden state of the world. We examine this difference with an action-conditioned video Shell Game, a visual analogue of $S_5$ state tracking that separates visual rendering from compositing the uno...

Joonghyuk Shin, Yicong Hong, Jaesik Park et al. · 2 citations

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