Author

Wen-Da Yu

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Preprint Jul 2026

ActFovea: Runtime Safeguarding for VLA Policies via Spatiotemporal Visual-Action Consistency

ActFovea is introduced, a plug-and-play safeguarding framework that detects and mitigates runtime failures of vision-language-action policies without retraining or modifying the underlying VLA policy.

Wen-Da Yu, Tianshi Wang, Fengling Li et al. · 0 citations