Author

Yi Yu

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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

Preprint Jul 2026

Simple-to-Complex Structured Demonstrations for Vision-Language-Action Learning

This work proposes a simple-to-complex structured demonstration collection strategy for VLA learning using a dual-arm robotic platform that enables VLA models to first acquire fundamental manipulation skills before learning increasingly complex task compositions, facilitating more effective learning of long-horizon man...

Xin Qiu, Yi Yu · 0 citations