Iโm Xuejun Zhang, a first-year Ph.D. student in Computer Science at the University of Illinois Urbana-Champaign, advised by Prof. Heng Ji. My research interests lie in natural language processing and multimodal learning. Before joining UIUC, I received a dual bachelorโs degree from Shanghai Jiao Tong University and the University of Michigan, where I worked with Prof. Joyce Chai.
๐ฅ News
- 2025.08: I started my Ph.D. in Computer Science at the University of Illinois Urbana-Champaign!
- 2025.08: I graduated from Shanghai Jiao Tong University with the Outstanding Graduate honor!
- 2025.06: I graduated from the University of Michigan with Summa Cum Laude honors!
- 2024.09: ย ๐๐ โMulti-Object Hallucination in Vision-Language Modelsโ is accepted by NeurIPS 2024!
๐ Publications
Multi-Object Hallucination in Vision-Language Models
Xuweiyi Chen*, Ziqiao Ma*, Xuejun Zhang*, Sihan Xu, Shengyi Qian, Jianing Yang, David F. Fouhey, Joyce Chai
Vision-Language Models Are Not Pragmatically Competent in Referring Expression Generation
Ziqiao Ma*, Jing Ding*, Xuejun Zhang, Dezhi Luo, Jiahe Ding, Sihan Xu, Yuchen Huang, Run Peng, Joyce Chai
Predicting Camera Pose from Perspective Descriptions for Spatial Reasoning
Xuejun Zhang, Aditi Tiwari, Zhenhailong Wang, Heng Ji
๐ Honors and Awards
- 2022.11: First Place in Tennis Team Event at the 49th Shanghai Jiao Tong University Sports Meet
- 2022.12: 2021-2022 Academic Year Merit Scholarship at Shanghai Jiao Tong University
- 2023.5: Outstanding Winner and AMS Award in Interdisciplinary Contest In Modeling
- 2023.5: Runner-up in Tennis Team Event at the 2023 Shanghai Jiao Tong University General Cup
- 2023.7: Future Technology Taihu Scholarship
- 2024.5: Deanโs Honor List & University Honors (Every semester at Umich)
- 2024.10: NeurIPS 2024 Scholar Award
- 2025.06: Summa Cum Laude, University of Michigan
- 2025.08: Outstanding Graduate, Shanghai Jiao Tong University
๐ Educations
- 2023.08 - 2025.05: University of Michigan.
- 2021.09 - 2025.07: Shanghai Jiaotong University.
- 2025.08 - now: University of Illinois Urbana-Champaign.
๐ป Positions and Public Service
- 2022.08-2022.12: Teaching Assistant of Academic Writing.
- 2022.02-Present: Advisor of UMJI Advising Center
๐Happy to share my first paper "Multi-Object Hallucination in Vision-Language Models" in #ALVR at #ACL2024! Do VLMs hallucinate more in multi-object scenes? Shortcuts? Spurious correlations? What factors contribute to their hallucinations? ๐
— Xuejun Zhang (@eva_xuejunzhang) July 9, 2024
๐https://t.co/5VsTym5BR3 ๐งต[1/n] pic.twitter.com/CXboiIKL0s