Author

Chunlin Chen

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Preprint Oct 2026

Organize Primitives into Semantic Parts: Reinforcement Reasoning for 3D Segmentation

Primitive-based 3D segmentation offers a compact and explicit alternative to dense surface prediction, naturally supporting structural abstraction and boundary localization. However, geometric decomposition alone does not determine how primitives should be organized into semantic parts: a single part may span multiple...

Xiao-Ming Gong, Ruo-Yu Wu, Zhen-Hong Sun et al. · 0 citations

Preprint Jul 2026

Look Before You Leap: Distilling Tree Search into Action Evaluation for Frozen VLA Models

By decoupling action proposal from consequence evaluation, SVA preserves the generalization capacity of the VLA backbone while substantially improving task success rates, and shows that SVA consistently improves generalization on unseen tasks and exhibits strong test-time scaling behavior.

Xinyi Xie, Zican Hu, Zhanyun Liu et al. · 0 citations