JIAZHI (JAX) GUAN 官佳智 Ph.D. Dept. of Computer Science and Technology Tsinghua University Beijing, China Email: guanjz20 [at] mails.tsinghua.edu.cn [Google Scholar] [Github]

Biography

Jiazhi Guan is currently a Ph.D. candidate at Dept. of Computer Science and Technology, Tsinghua University, supervised by Prof. Youjian Zhao. Before that, he received the Bachelor's degree at Wuhan University of Technology in 2020. His research interests include computer vision and generative modeling, specifically deepfake detection and digital human animation.

Experiences

• Visiting Student | S-Lab, Nanyang Technological University, Singapore
  Oct. 2024 – Present
  
  Topic: Body Animation
  Advisor: Ziwei Liu
  
• Research Intern | Baidu Inc. VIS, Beijing
  Nov. 2021 – Present
  
  Topic: Facial Animation, Body Animation
  Advisor: Hang Zhou
  

Selected Publications

*: equal contribution | †: Corresponding author

• TALK-Act: Enhance Textural-Awareness for 2D Speaking Avatar Reenactment with Diffusion Model
  Jiazhi Guan, Quanwei Yang, Kaisiyuan Wang, Hang Zhou†, Shengyi He, Zhiliang Xu, Haocheng Feng,
  Errui Ding, Jingdong Wang, Hongtao Xie, Youjian Zhao†, Ziwei Liu
  SIGGRAPH Asia Conference Proceedings (SIGGRAPH Asia), 2024.
  [Project] [PDF]

• ReSyncer: Rewiring Style-based Generator for Unified Audio-Visually Synced Facial Performer
  Jiazhi Guan*, Zhiliang Xu*, Hang Zhou†, Kaisiyuan Wang, Shengyi He, Zhanwang Zhang, Borong Liang,
  Haocheng Feng, Errui Ding, Jingtuo Liu, Jingdong Wang, Youjian Zhao†, Ziwei Liu
  European Conference on Computer Vision (ECCV, Oral), 2024.
  [Project] [PDF]

• StyleSync: High-Fidelity Generalized and Personalized Lip Sync in Style-based Generator
  Jiazhi Guan*, Zhanwang Zhang*, Hang Zhou†, Tianshu Hu†, Kaisiyuan Wang, Dongliang He,
  Haocheng Feng, Jingtuo Liu, Errui Ding, Ziwei Liu, Jingdong Wang
  IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2023.
  [Project] [PDF]

• Adversarial Robust Safeguard for Evading Deep Facial Manipulation
  Jiazhi Guan, Yi Zhao†, Zhuoer Xu, Changhua Meng, Ke Xu, Youjian Zhao†
  Association for the Advancement of Artificial Intelligence (AAAI), 2024
  [PDF] [Video]

• Dual-Modality Co-Learning for Unveiling Deepfake in Spatio-Temporal Space
  Jiazhi Guan, Hang Zhou, Zhizhi Guo, Tianshu Hu, Lirui Deng, Chengbin Quan, Meng Fang, Youjian Zhao†
  ACM International Conference on Multimedia Retrieval (ICMR, Best Paper Candidate), 2023
  [PDF]

• Delving into Sequential Patches for Deepfake Detection
  Jiazhi Guan, Hang Zhou, Zhibin Hong, Errui Ding, Jingdong Wang, Chengbin Quan, Youjian Zhao†
  Conference on Neural Information Processing Systems (NeurIPS), 2022.
  [PDF] [Video]

• Detecting Deepfake by Creating Spatio-Temporal Regularity Disruption
  Jiazhi Guan, Hang Zhou, Mingming Gong, Errui Ding, Jingdong Wang, Youjian Zhao†
  Arxiv: 2207.10402
  [PDF]

Honors and Awards

Outstanding Intern, Baidu VIS	2024
Overall Excellence Scholarship (First Prize), Tsinghua University	2023
Overall Excellence Scholarship (Second Prize), Tsinghua University	2022
Third Place, DeepFake Game Competition, IJCB 2022	2022
Outstanding Graduate, Hubei Provinces	2020
National Scholarship, Ministry of Education, China	2017,2018,2019

Professional Activities

Conference Reviewer of: ICCV 2023, CVPR 2023, MM 2024, NeurIPS 2024 and ICLR 2024.

Teaching

TA of Digital Logic Circuit, DCST, Tsinghua University

Spring

2021-2024