Yihuai Xu | NextGen Lab, Wuhan University

About Me

I am a first-year Ph.D. student in School of Artificial Intelligence of Wuhan University and a member of NextGen Lab, advised by Prof.Qianqian Xie. My current research interests focus on LLMs’ reliability and interpretability, data-driven interpretability, and LLM-generated text detection.

News

[Jul. 2025] The paper titled ‘Hyper adversarial tuning for boosting adversarial robustness of pretrained large vision transformers’ has been accepted by Pattern Recognition 2026.
[Jan. 2025] The paper titled ‘Training-free LLM-generated Text Detection by Mining Token Probability Sequences’ has been accepted by ICLR 2025.

Publications & Preprints

ICLR

Training-free LLM-generated Text Detection by Mining Token Probability Sequences

Yihuai Xu, Yongwei Wang, Yifei Bi, Huangsen Cao, Zhouhan Lin, Yu Zhao, Fei Wu

International Conference on Learning Representations, 2025.

PDF Code

PR

Hyper adversarial tuning for boosting adversarial robustness of pretrained large vision transformers

Kangtao Lv, Wenyan Fan, Huangsen Cao, Kainan Tu, Yihuai Xu, Zhimeng Zhang, Yang Li, Xin Ding, Yongwei Wang

Pattern Recognition, 2026.

PDF

Selected Awards

2021.12, 13th National Undergraduate Mathematics Competition, Provincial Second Prize.
2022.10, 19th “Huawei Cup” Mathematical Contest in Modeling, National Second Prize.
2023.09, 20th “Huawei Cup” Mathematical Contest in Modeling, National Second Prize.
2021.12, Academic Scholarship, Hangzhou Normal University.
2023.06, First-Class Academic Scholarship, Zhejiang Gongshang University.
2024.10, National Scholarship for Postgraduate Students.

Educations

2022.09 - 2024.12, Master, Zhejiang Gongshang University, Hangzhou, China.
2018.09 - 2022.06, Undergraduate, Hangzhou Normal University, Hangzhou, China.

Internships

2024 - 2025, Shanghai Institute for Advanced Study, Zhejiang University, Shanghai, China.