Author

Joonghyuk Shin

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Preprint Oct 2026

Clean Forcing: Drift-Resistant Autoregressive Video Diffusion with a Frozen Base

Autoregressive (AR) video diffusion models generate streaming video of arbitrary length by conditioning each new chunk of frames on those already generated. However, they suffer from exposure bias, where a model trained on clean context must continue from its own imperfect outputs, and errors compound until quality col...

Wen-Qing Wang, Joonghyuk Shin, Jonathan Tremblay et al. · 0 citations

Preprint Aug 2026

Can Video World Models Track Unobserved World States?

An action-conditioned video Shell Game, a visual analogue of $S_5$ state tracking that separates visual rendering from compositing the unobserved world state, and finds that length generalization requires a revisable state carried across chunks and an update expressive enough to apply a swap.

Joonghyuk Shin, Yi-Cong Hong, Jaesik Park et al. · 2 citations