Author

Jian Zhu

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Jul 2026

Engine-Native Editable 3D World Reconstruction with Objects and Lighting

Editable 3D scene creation requires object instances and lights that can be inspected, moved, and imported into standard engines, yet existing single-image methods largely stop at room-scale geometry, baked/global illumination, or text-driven generation. We introduce Lumera (Light-aware Unified Engine-native Reconstruc...

Junhao Chen, Xinghao Chen, Henghaofan Zhang et al. · arXiv.org · 2 citations

Preprint Aug 2026

Population-Scalable Multi-Agent World Modeling

Kora is proposed, a scalable multi-agent world model that supports inference-time expansion to arbitrary numbers of agents without retraining and decouples world-state evolution from visual rendering and introduces a population-agnostic rendering mechanism for incorporating other agent information.

Renjie Zhao, Yu-Xiang Wu, Mingyu Zhang et al. · 1 citation

Preprint Jul 2026

Learning 4D Geometric Priors for Inference-Efficient World Action Models

MECo-WAM is proposed, a Multi-Expert Co-Training World Action Model that injects action-relevant 4D geometric priors into video-action representations while preserving the original lightweight inference graph.

Jianjun Zhang, Jian Zhu, Taiyi Su et al. · 5 citations