Author

Yucheng Zhou

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Preprint Oct 2026

Explicit Geometric Chain-of-Thought for Vision-Language-Action in Autonomous Driving

Vision-language-action~(VLA) models have emerged as a promising paradigm for autonomous driving. However, existing VLA models still suffer from a fundamental mismatch: driving actions require precise 3D geometric cues, while visual-language understanding and reasoning are largely conducted in a 2D semantic space. In th...

Xing-Tai Gui, Yu-Cheng Zhou, Dong-Qian Guo et al. · 0 citations

#machine learning Preprint Sep 2026

Stable-MM-R1: Anchoring Multimodal Reasoning Dynamics via Entropy-Guided Stratification

This work presents Hybrid Stratified Replay (HSR), a novel mechanism that restructures batches by stratifying rollouts based on Path Entropy, a rollout-level confidence proxy, and outcome reward, offering a principled solution for stable and efficient RL fine-tuning.

Yi-Meng Ye, Shuang Chen, Wen-Xuan Huang et al. · 0 citations