WorldGrow: Generating Infinite 3D World

WorldGrow: Generating Infinite 3D World

Sikuang Li1*, Chen Yang2*, Jiemin Fang2✉, Taoran Yi3, Jia Lu3,

Jiazhong Cen1, Lingxi Xie2, Wei Shen1, Qi Tian2✉

1Shanghai Jiao Tong University 2Huawei 3Huazhong University of Science and Technology

*Equal contribution ✉Corresponding author

We propose WorldGrow — a generative method which creates infinite EXPLICIT 3D worlds, an alternative to the extensible, realistic, interactive world simulator.

Overview

WorldGrow is a hierarchical framework for infinite (open-ended) 3D world generation. Starting from a single seed block, the system grows large environments via block-wise synthesis and coarse-to-fine refinement, producing coherent global layouts and detailed local geometry/appearance. The generated scenes are walkable and suitable for navigation/planning evaluation.

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