Author

Xi-Jie Huang

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#artificial intelligence Preprint Sep 2026

DiffWAM: A Fast and Efficient Navigation World Action Model

Pretrained video foundation models encode rich semantic and spatiotemporal priors for embodied navigation, yet converting these priors into UAV motion typically requires expensive future-video synthesis and geometric reconstruction. We investigate whether the motion implicit in future visual prediction can instead be r...

Morui Zhu, Yu-Ze Wu, Xi-Jie Huang et al. · 0 citations

#artificial intelligence Preprint Sep 2026

NavGen: Visual Generative Models as a Scalable Data Engine for Embodied 3D Navigation

NavGen is introduced, a text-to-video data generation pipeline that produces diverse vision-language navigation episodes across indoor and outdoor scenes and a style-diversification method that scales up long-tail data that is difficult and costly to collect.

Xi-Jie Huang, Yong-Yang Wan, Cheng-Bin Dong et al. · 0 citations