collaborators

5 papers

cs.CV2026

Causal Fingerprints of AI Generative Models

Hui Xu, Chi Liu, Congcong Zhu +3

AI generative models leave implicit traces in their generated images, which are commonly referred to as model fingerprints and are exploited for source attribution. Prior methods r…

cs.CR2026

Osmosis Distillation: Model Hijacking with the Fewest Samples

Yuchen Shi, Huajie Chen, Heng Xu +6

Transfer learning is devised to leverage knowledge from pre-trained models to solve new tasks with limited data and computational resources. Meanwhile, dataset distillation has eme…

cs.CV2025

Rethinking Bias in Generative Data Augmentation for Medical AI: a Frequency Recalibration Method

Chi Liu, Jincheng Liu, Congcong Zhu +5

Developing Medical AI relies on large datasets and easily suffers from data scarcity. Generative data augmentation (GDA) using AI generative models offers a solution to synthesize…

cs.MA2025

Who's the Mole? Modeling and Detecting Intention-Hiding Malicious Agents in LLM-Based Multi-Agent Systems

Yizhe Xie, Congcong Zhu, Xinyue Zhang +4

Multi-agent systems powered by Large Language Models (LLM-MAS) have demonstrated remarkable capabilities in collaborative problem-solving. However, their deployment also introduces…

cs.CR2025

LLMail-Inject: A Dataset from a Realistic Adaptive Prompt Injection Challenge

Sahar Abdelnabi, Aideen Fay, Ahmed Salem +22

Indirect Prompt Injection attacks exploit the inherent limitation of Large Language Models (LLMs) to distinguish between instructions and data in their inputs. Despite numerous def…