PolicyShiftGuard, trained with randomized policy SFT plus matched pass/block boundary pairs, reaches 76.9 Avg. F1 and 72.1 Avg. PSS on a new policy-shift image-guardrail benchmark where existing VLMs stay brittle.
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PolicyShiftGuard: Benchmarking and Improving Policy-Adaptive Image Guardrails
PolicyShiftGuard, trained with randomized policy SFT plus matched pass/block boundary pairs, reaches 76.9 Avg. F1 and 72.1 Avg. PSS on a new policy-shift image-guardrail benchmark where existing VLMs stay brittle.