Author

Zaijia Yang

2 papers indexed here

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Preprint Aug 2026

CertVLA: Certified Defense against Physical Visual Attacks for Vision-Language-Action Models

Vision-Language-Action (VLA) policies are vulnerable to localized physical perturbations, yet existing certified patch defenses target discrete labels and cannot directly certify continuous, temporally correlated actions. We introduce CertVLA, a certified defense for closed-loop VLA control under bounded patch and text...

Hui Lu, Zhi-Jie Peng, Yuqi Lin et al. · 0 citations

#machine learning Preprint Sep 2026

Facet-0: A Robotic Foundation Model for Contact-Rich Precise Manipulation

Facet-0 unifies multimodal representation learning and reinforcement learning post-training around a joint action-wrench proposal, which reaches 82% mean success on five sub-millimeter computer-assembly tasks, compared with 15% for the strongest baseline.

Hao-Yuan Deng, Hai-Chao Liu, Wen-Kai Guo et al. · 1 citation