Author

Yufei Song

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Preprint Sep 2026

Universal Cross-Prompt Adversarial Attacks on Promptable Concept Segmentation

AdvPCS is proposed, a universal cross-prompt adversarial attack for Promptable Concept Segmentation (PCS), including a min-max prompt optimization strategy, a global-local perception deception attack, and a temporal transition deviation attack.

Zi-Qi Zhou, Yi-Fan Hu, Yu-Fei Song et al. · 0 citations

Preprint Jul 2026

Imperceptible and Reversible Adversarial Examples against Vision-Language Models for Privacy Protection

CloakDiff is proposed, the first framework for reversible, high fidelity privacy protection against text-based query attacks in VLMs and EDM Heuristic Sampling, a principled diffusion schedule for adversarial guidance.

Qinghua Lu, Ziqi Zhou, Yufei Song et al. · 0 citations