collaborators

13 papers

cs.CR2026

When Agents Learn to Be You: Benchmarking Privacy Leakage, Impersonation Risk, and Defenses in Persona Skills

Yongli Xiang, Zhifang Zhang, Bojun Yang +4

Persona skills distill personal interaction histories into portable and executable artifacts for downstream agents. While enabling flexible personalization, this process concentrat…

cs.CV2026

JuZhou 1.0 Technical Report: The First Edge-Native Text-to-Image Foundation Model Trained Entirely on China-Developed AI Accelerators

Ce Chen, Congrui Wang, Yonglin Li +23

Text-to-image (T2I) diffusion models typically require substantial computational resources and cloud infrastructure, posing significant challenges for edge deployment in terms of l…

cs.CV2026

When Safety Collides: Resolving Multi-Category Harmful Conflicts in Text-to-Image Diffusion via Adaptive Safety Guidance

Yongli Xiang, Ziming Hong, Zhaoqing Wang +3

Text-to-Image (T2I) diffusion models have demonstrated significant advancements in generating high-quality images, while raising potential safety concerns regarding harmful content…

cs.CV2026

VII: Visual Instruction Injection for Jailbreaking Image-to-Video Generation Models

Bowen Zheng, Yongli Xiang, Ziming Hong +4

Image-to-Video (I2V) generation models, which condition video generation on reference images, have shown emerging visual instruction-following capability, allowing certain visual c…

cs.LG2026

Mitigating Mismatch within Reference-based Preference Optimization

Suqin Yuan, Xingrui Yu, Jiyang Zheng +4

Direct Preference Optimization (DPO) has become the de facto standard for offline preference alignment of large language models, but its reliance on a reference policy introduces a…

cs.LG2026

Unifying Stable Optimization and Reference Regularization in RLHF

Li He, Qiang Qu, He Zhao +4

Reinforcement Learning from Human Feedback (RLHF) has advanced alignment capabilities significantly but remains hindered by two core challenges: \textbf{reward hacking} and \textbf…