Sihui Ji

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Biography

Hi👋 I'm Sihui Ji, currently a second-year Ph.D. student at The University of Hong Kong, under the supervision of Prof.Hengshuang Zhao, I received my B.Eng. Degree and Honors Degree (Chu Kochen Honors College) from Zhejiang University, China. Now I focus on generative AI, especially for image and video.


Recent Publications

PhysMaster: Mastering Physical Representation for Video Generation via Reinforcement Learning
Sihui Ji, Xi Chen, Xin Tao, Pengfei Wan, Kun Gai, Hengshuang Zhao.
Preprint / Paper / Page
DiffDoctor: Diagnosing Image Diffusion Models Before Treating
Yiyang Wang, Xi Chen, Xiaogang Xu, Sihui Ji, Yu Liu, Yujun Shen, Hengshuang Zhao.
ICCV 2025 / Paper / Page
VideoAnydoor: High-fidelity Video Object Insertion with Precise Motion Control
Yuanpeng Tu, Hao Luo, Xi Chen, Sihui Ji, Xiang Bai, Hengshuang Zhao.
SIGGRAGH 2025 / Paper / Page
LayerFlow: A Unified Model for Layer-aware Video Generation
Sihui Ji, Hao Luo, Xi Chen, Yuanpeng Tu, Yiyang Wang, Hengshuang Zhao.
SIGGRAGH 2025 / Paper / Page
FashionComposer: Compositional Fashion Image Generation
Sihui Ji, Yiyang Wang, Xi Chen, Xiaogang Xu, Hao Luo, Hengshuang Zhao.
SIGGRAGH 2025 / Paper / Page

Honors

  • HKU Presidential PhD Scholar (HKU-PS), 2024.
  • National Scholarship (Top 0.2%), 2022.
  • First-Class Scholarship of Zhejiang University (Top 3%), 2021, 2022, 2023.
  • Top Ten Honors Students in Chu Kochen Honors College, 2023.

Experiences

  • Research Intern, Kling Team, Kuaishou Technology, 2025
  • Research Intern, DAMO Academy, Alibaba Group, 2024

Misc

  • Reviewers: CVPR 2025, ICCV 2025, Pattern Recognition
  • Teaching Assistant: Computer Programming
  • Invited talks: GAMES Webinar; SIGGRAGH 2025 oral presentation.