activity
20232026
most citedWatch the Watcher! Backdoor Attacks on Security-Enhancing Diffusion Models

1 citations · 2 across the 6 of their papers we have counts for

collaborators

6 papers

cs.CL2026

"I See What You Did There": Can Large Vision-Language Models Understand Multimodal Puns?

Naen Xu, Jiayi Sheng, Changjiang Li +7

Puns are a common form of rhetorical wordplay that exploits polysemy and phonetic similarity to create humor. In multimodal puns, visual and textual elements synergize to ground th…

cs.CL2025

Bridging the Copyright Gap: Do Large Vision-Language Models Recognize and Respect Copyrighted Content?

Naen Xu, Jinghuai Zhang, Changjiang Li +7

Large vision-language models (LVLMs) have achieved remarkable advancements in multimodal reasoning tasks. However, their widespread accessibility raises critical concerns about pot…

cs.CR2025

NeuroBreak: Unveil Internal Jailbreak Mechanisms in Large Language Models

Chuhan Zhang, Ye Zhang, Bowen Shi +5

Jailbreak attacks bypass the safety alignment of large language models (LLMs) to elicit harmful outputs, yet the vast parameter space makes diagnosing the underlying failure mechan…

cs.CR2024

Watermark under Fire: A Robustness Evaluation of LLM Watermarking

Jiacheng Liang, Zian Wang, Lauren Hong +2

Various watermarking methods (``watermarkers'') have been proposed to identify LLM-generated texts; yet, due to the lack of unified evaluation platforms, many critical questions re…

cs.CR2024★ 1 cited

Watch the Watcher! Backdoor Attacks on Security-Enhancing Diffusion Models

Changjiang Li, Ren Pang, Bochuan Cao +4

Thanks to their remarkable denoising capabilities, diffusion models are increasingly being employed as defensive tools to reinforce the security of other models, notably in purifyi…

cs.CR2023★ 1 cited

On the Difficulty of Defending Contrastive Learning against Backdoor Attacks

Changjiang Li, Ren Pang, Bochuan Cao +4

Recent studies have shown that contrastive learning, like supervised learning, is highly vulnerable to backdoor attacks wherein malicious functions are injected into target models,…