Wei Chen

PhD Student

Department of Computer Science and Engineering
The Hong Kong University of Science and Technology

Email: csewei.chen AT connect DOT ust DOT hk

     

Biography

I am a PhD student in the Department of Computer Science and Engineering at The Hong Kong University of Science and Technology, where I am advised by Prof. Long Chen in the LONG Group. Prior to this, I obtained my bachelor's degree from the School of Computer Science at Wuhan University, under the supervision of Prof. Yu Wu.

Research Interests


My research interests lie in multi-modal content understanding and generation, which include:

🔍 I am currently seeking Summer 2026 internships related to Multi-modal Large Language Models (MLLM). Please feel free to contact me if you have any opportunities!

Publications

Relation-R1: Cognitive Chain-of-Thought Guided Reinforcement Learning for Unified Relational Comprehension
Lin Li*, Wei Chen*, Jiahui Li, Kwang-Ting Cheng, Long Chen
AAAI Conference on Artificial Intelligence (AAAI), 2026

[paper] [code]

Thyme: Think Beyond Images
Yi-Fan Zhang, Xingyu Lu, Shukang Yin, Chaoyou Fu, Wei Chen, Xiao Hu, Bin Wen, et al.
Arxiv Preprint, 2025

[paper] [code]

Decoupling Contrastive Decoding: Robust Hallucination Mitigation in Multimodal Large Language Models
Wei Chen, Xin Yan, Bin Wen, Fan Yang, Tingting Gao, Di Zhang, Long Chen
Neural Information Processing Systems (NeurIPS), 2025

[paper] [code]

CoMM: A Coherent Interleaved Image-Text Dataset for Multimodal Understanding and Generation
Wei Chen*, Lin Li*, Yongqi Yang*, Bin Wen, Fan Yang, Tingting Gao, Yu Wu, Long Chen
Computer Vision and Pattern Recognition (CVPR Highlight), 2025

[paper] [code]

An Efficient and Effective Transformer Decoder-Based Framework for Multi-Task Visual Grounding
Wei Chen, Long Chen, Yu Wu
European Conference on Computer Vision (ECCV), 2024

[paper] [code]

Internship Experience

Kuaishou Keye-VL Team, Beijing, China

Mar. 2024 – Present

Keye-VL Post-train

Apr. 2025 – Present, K-Star Intern

Contributor to the Keye-VL series, including: Keye-VL-671B-A37B, Keye-VL 8B & Keye-VL 1.5 8B

Remote Collaboration

Sep. 2024 – Apr. 2025, Research Intern

Research Intern

Mar. 2024 – Aug. 2024, Multimedia Understanding Group

© Wei Chen