Author

Xingxing Wei

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#artificial intelligence Preprint Sep 2026

ThinkingGuard: Decoding Implicit Hazards via Step-by-Step Risk Attribution in Multimodal Large Language Models

While Multimodal Large Language Models (MLLMs) are increasingly deployed in safety-critical domains, their reliability is threatened by multimodal implicit risks. Unlike explicit threats, these hazards emerge when individually benign text and neutral visual entities logically converge to induce unsafe outputs. Current...

Ruo-Chen Zhang, Yao Huang, Yi-Tong Sun et al. · 0 citations

Preprint Aug 2026

AdvTiles: Physical Adversarial Camouflage Clothing against Person Detectors via Learnable Tiles

Physical adversarial attacks against person detectors have evolved from localized patches to full-body textures. However, achieving both visual naturalness and strong attack effectiveness remains challenging. Existing natural-looking methods typically optimize camouflage textures as a whole, limiting the flexibility to...

Jinlei Wang, Jiahuan Long, Mingkai Sun et al. · 0 citations