Author

Ziqi Ma

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Preprint Sep 2026

DynaTokens: Teaching Dynamics to Camera-Controlled Video Models at Test Time

Video generation must account for two sources of motion, one induced by the observer's camera path and the other caused by scene dynamics. An ideal camera-controlled video model should account for both motions: let users move the camera while evolving the scene dynamics. While current models handle camera-induced motio...

Ziqi Ma, Hong-Qiao Chen, Gkioxari Georgia · 0 citations

#artificial intelligence Preprint Oct 2026

LoGo: Local-Global Rewards for Consistent Long-Horizon Video Generation

Camera-controlled video models are rapidly advancing toward long generation horizons and complex camera control. A key failure mode is 3D inconsistency: as the camera moves, objects lose permanence and scene structures shift. Existing post-training techniques, which assign a single scalar reward to the entire generatio...

Ziqi Ma, Shreya Sharma, Mohamed El Banani et al. · 0 citations