collaborators

5 papers

cs.CL2026

Safety Kernel: Mechanistic Alignment for Cross-Lingual Defense in LLMs

Chengyu Xie, Fei Shen, Shuyi Miao +5

The safety capabilities of large language models (LLMs) are highly uneven across different languages, often allowing cross-lingual attacks to bypass safety guardrails. Existing ali…

cs.AI2026

ACTR: Aligning Thoughts and Responses for Multilingual Safety in Reasoning LLMs

Xianhui Zhang, Jian Yu, Chengyu Xie +6

Ensuring the safety of reasoning large language models (LLMs) across languages is essential for their reliable deployment. However, when exposed to jailbreak attacks in non-high-re…

cs.GR2026

IMAGAgent: Orchestrating Multi-Turn Image Editing via Constraint-Aware Planning and Reflection

Fei Shen, Chengyu Xie, Lihong Wang +5

Existing multi-turn image editing paradigms are often confined to isolated single-step execution. Due to a lack of context-awareness and closed-loop feedback mechanisms, they are p…

cs.CV2026

Who Transfers Safety? Identifying and Targeting Cross-Lingual Shared Safety Neurons

Xianhui Zhang, Chengyu Xie, Linxia Zhu +6

Multilingual safety remains significantly imbalanced, leaving non-high-resource (NHR) languages vulnerable compared to robust high-resource (HR) ones. Moreover, the neural mechanis…

cs.CV2025

Jointly Conditioned Diffusion Model for Multi-View Pose-Guided Person Image Synthesis

Chengyu Xie, Zhi Gong, Junchi Ren +4

Pose-guided human image generation is limited by incomplete textures from single reference views and the absence of explicit cross-view interaction. We present jointly conditioned…