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Author

Zi-Jian He

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Open access Oct 2026

OccTTA: Fast and Memory-Efficient Test-Time Adaptation for 3D Occupancy Prediction

3D semantic occupancy prediction (OCC) is a crucial task in vision-centric autonomous driving, focusing on reconstructing fine-grained 3D geometry and semantics of the scene surrounding the ego vehicle. Despite recent progress, OCC still faces a significant challenge in generalizing to real-world scenarios due to the u...

Pei-Xin Chen, Wei Zhang, Zi-Jian He et al. · 0 citations
Preprint Sep 2026

PAI-Actor: Cinematic Multi-Character Replacement in Dynamic Scenes

We present PAI-Actor, a cinematic multi-character animation framework for character replacement in dynamic movie scenes. Unlike conventional animation systems that mainly drive a single static image or a single subject, our goal is to replace and animate multiple characters within real video clips while preserving the...

Bang Tang, He-Yuan Gao, Yi-Ren Song et al. · 0 citations

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