Xueji Fang

Xueji is a joint CS Ph.D. Student at Zhejiang University and Westlake University, advised by Dr. Guo-Jun Qi and co-adivised by Dr. Liyuan Ma. Prior to that, he obtained Bachelor degree at Shanghai University advised by Dr. Guangtai Ding.

He used to intern at OPPO Research based in Shanghai.

Email  /  LinkedIn  /  Github

profile photo

Research

His research aims to make generative models more controllable and efficient. While his explorations include Customization Generation, Generative Foundation Models and Test-Time Training, he is currently focused on (Discrete) Diffusion Reasoning .

InfLVG: Reinforce Inference-Time Consistent Long Video Generation with GRPO
Xueji Fang, Liyuan Ma, Zhiyang Chen, Mingyuan Zhou, Guo-jun Qi
Preprint, 2025

code  /  pdf

SLOT: Sample-specific Language Model Optimization at Test-time
Yang Hu, Xingyu Zhang, Xueji Fang, Zhiyang Chen, Xiao Wang, Huatian Zhang, Guojun Qi
Preprint, 2025

code  /  pdf

Equilibrated Diffusion: Frequency-aware Textual Embedding for Equilibrated Image Customization
Liyuan Ma, Xueji Fang, Guo-Jun Qi
ACM MM, 2024

project page  /  code  /  pdf

Stolen from Jon Barron. Big thanks!