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YujieOuO/README.md

Hi there 👋 I’m Yujie Zhou.

  • Third-year Ph.D. student at Shanghai Jiao Tong University, advised by Prof. Niu Li, also hold a M.S. degree and a B.S. degree from Renmin University of China.
  • Research intern at Shanghai AI Laboratory, advised by Jiaqi Wang and Anyi Rao.
  • 📑 Current research interest covers Image Generation and Video Generation.
  • 📫 Email is the preferred way to contact me: yujieouo@sjtu.edu.cn.
  • 🔍 Actively seeking internships in generative modeling.

📚 Selected Publications

🥇 (Co-) First Author Publications

[ICCV 2025] Light-A-Video: Training-free Video Relighting via Progressive Light Fusion
Yujie Zhou*, Jiazi Bu*, Pengyang Ling*, Pan Zhang, Tong Wu, Qidong Huang, Jinsong Li, Xiaoyi Dong, Yuhang Zang, Yuhang Cao, Anyi Rao, Jiaqi Wang, Li Niu
arXiv Project Page GitHub Hugging Face

[arXiv 2025] Fine-Grained GRPO for Precise Preference Alignment in Flow Models
Yujie Zhou*, Pengyang Ling*, Jiazi Bu*, Yibin Wang, Yuhang Zang, Jiaqi Wang, Li Niu, Guangtao Zhai
arXiv Project Page GitHub Hugging Face

[NeurIPS 2025] HiFlow: Training-free High-Resolution Image Generation with Flow-Aligned Guidance
Jiazi Bu*, Pengyang Ling*, Yujie Zhou*, Pan Zhang, Tong Wu, Xiaoyi Dong, Yuhang Zang, Yuhang Cao, Dahua Lin, Jiaqi Wang
arXiv Project Page GitHub

[arXiv 2025] DiCache: Let Diffusion Model Determine Its Own Cache
Jiazi Bu*, Pengyang Ling*, Yujie Zhou*, Yibin Wang, Yuhang Zang, Dahua Lin, Jiaqi Wang
arXiv Project Page GitHub

[AAAI 2023 Oral] Self-supervised Action Representation Learning from Partial Spatio-Temporal Skeleton Sequences
Yujie Zhou, Haodong Duan, Anyi Rao, Bing Su, Jiaqi Wang
arXiv GitHub

[ACMMM 2023] Zero-shot Skeleton-based Action Recognition via Mutual Information Estimation and Maximization
Yujie Zhou, Wenwen Qiang, Anyi Rao, Ning Lin, Bing Su, Jiaqi Wang
arXiv GitHub

🥈 Co-Author Publications

[arXiv 2025] UniGenBench++: A Unified Semantic Evaluation Benchmark for Text-to-Image Generation
Yibin Wang*, Zhimin Li*, Yuhang Zang*, Jiazi Bu, Yujie Zhou, Chunyu Wang, Qinglin Lu, Cheng Jin, Jiaqi Wang
arXiv Project Page GitHub Hugging Face Spaces

[arXiv 2025] Pref-GRPO: Pairwise Preference Reward-based GRPO for Stable Text-to-Image Reinforcement Learning
Yibin Wang*, Zhimin Li*, Yuhang Zang*, Yujie Zhou, Jiazi Bu, Chunyu Wang, Qinglin Lu, Cheng Jin, Jiaqi Wang
arXiv Project Page GitHub Hugging Face Spaces GitHub

[ICCV 2023 Oral] V3Det: Vast Vocabulary Visual Detection Dataset
Jiaqi Wang*, Pan Zhang*, Tao Chu*, Yuhang Cao*, Yujie Zhou, Tong Wu, Bin Wang, Conghui He, Dahua Lin
arXiv Project Page GitHub Hugging Face Spaces

🏗️ Open Source Projects

[Libcom]: Image composition toolbox: everything you want to know about image composition
GitHub Static Badge

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  1. bcmi/Light-A-Video bcmi/Light-A-Video Public

    [ICCV 2025] Light-A-Video: Training-free Video Relighting via Progressive Light Fusion

    Python 491 31

  2. PSTL PSTL Public

    [AAAI 2023(Oral)] Self-supervised Action Representation Learning from Partial Spatio-Temporal Skeleton Sequences

    Python 27 2

  3. bcmi/Granular-GRPO bcmi/Granular-GRPO Public

    Fine-Grained GRPO for Precise Preference Alignment in Flow Models

    Python 41

  4. SMIE SMIE Public

    [ACMMM 23] Zero-shot Skeleton-based Action Recognition via Mutual Information Estimation and Maximization

    Python 29 3

  5. Bujiazi/HiFlow Bujiazi/HiFlow Public

    [NeurIPS 2025] Official implementation of HiFlow: Training-free High-Resolution Image Generation with Flow-Aligned Guidance

    Python 84 1

  6. Bujiazi/DiCache Bujiazi/DiCache Public

    Official implementation of DiCache: Let Diffusion Model Determine Its Own Cache

    Python 54 2