collaborators

5 papers

cs.CV2026

FocusDiT: Masking Queries in Diffusion Transformers for Fine-grained Image Generation

Xueji Fang, Liyuan Ma, Jianhao Zeng +3

Diffusion transformer (DiT) has been widely adopted in the generative diffusion field, advancing the denoising of query tokens through attention and Feed-Forward (\text{FFN}) layer…

cs.CV2026

Equilibrated Diffusion: Frequency-aware Textual Embedding for Equilibrated Image Customization

Liyuan Ma, Xueji Fang, Guo-Jun Qi

Image customization learns target subjects from reference concept images and generates conditioned images per text prompts, mainly modifying styles or backgrounds. Prevailing metho…

cs.RO2025

Traj2Action: A Co-Denoising Framework for Trajectory-Guided Human-to-Robot Skill Transfer

Han Zhou, Jinjin Cao, Liyuan Ma +2

Learning diverse manipulation skills for real-world robots is severely bottlenecked by the reliance on costly and hard-to-scale teleoperated demonstrations. While human videos offe…

cs.CL2025

SLOT: Sample-specific Language Model Optimization at Test-time

Yang Hu, Xingyu Zhang, Xueji Fang +4

We propose SLOT (Sample-specific Language Model Optimization at Test-time), a novel and parameter-efficient test-time inference approach that enhances a language model's ability to…

cs.CV2025

InfLVG: Reinforce Inference-Time Consistent Long Video Generation with GRPO

Xueji Fang, Liyuan Ma, Zhiyang Chen +2

Recent advances in text-to-video generation, particularly with autoregressive models, have enabled the synthesis of high-quality videos depicting individual scenes. However, extend…