Author

Chunchao Guo

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Preprint Oct 2026

Flow Matching Reinforcement for 3D Mesh Generation via Dynamic Homing Optimization

Flow matching is central to 3D generation, yet in practice its reinforcement learning (RL) methods are largely adapted from 2D visual generation. Representative DPO-, GRPO-, and NFT-style objectives, when applied to negative trajectories, mainly steer predicted velocities away from the corresponding directions without...

Zhen-Wu-Yong Zhou, Zhi-Wei Ning, Pu-Hua Jiang et al. · 0 citations

Preprint Aug 2026

WorldClaw: Agentic 3D Open-World Generation at Scale

WorldClaw is presented, a fully agentic, coarse-to-fine framework for open-world 3D scene generation that produces large-scale scenes with coherent spatial organization, visually compelling local content, and editable instance-level assets while preserving a consistent global terrain structure.

Chunchao Guo, Jinpeng Li, Yang Li et al. · 5 citations

Jul 2026

SceneActBench: Can Agents Act on the 3D Scenes They See?

This work presents SceneActBench, a benchmark for visually conditioned action across five 3D tasks under a unified agent-environment loop, and evaluates each final output against hidden ground truth with task-specific geometric metrics.

Yifei Zhao, Xiangxin Zhou, Wenhao Yang et al. · arXiv.org · 2 citations