Welcome to my homepage
Biography
I am currently a final year Master candidate in Computer Technology at Tsinghua Shenzhen International Graduate School, Tsinghua University, advised by Prof. Chun Yuan. My research interests are in Computer Vision and Computer Graphics. I received my Bachelor degree in Software Engineering from School of Computer Science & Technology, Beijing Institute of Technology.
Education
- 2020.09 - Present - Master Candidate at Tsinghua Shenzhen International Graduate School, Tsinghua University, supervised by Prof. Chun Yuan.
- GPA: 3.74/4.00
- Research Topics: Computer Vision, Computer Graphics, Machine Learning.

- 2016.09 - 2020.07 - Bachelor of Software Engineering in School of Computer Science & Technology, Beijing Institute of Technology.
- GPA: 90.97/100 (Top 1%)

Work Experience
- 2022.05 - Present - Research Intern at Microsoft Research Asia, Machine Learning Group, Beijing, China.
- Supervised by Xu Tan.
- Research Topics: Talking Face Generation, 3D Face Reconstruction.

- 2021.03 - 2022.05 - Research Intern at Tencent AI Lab, Digital Human Team, Shenzhen, China.
- Supervised by Linchao Bao and Haoxian Zhang.
- Research Topics: 3D Face Reconstruction, 3D Face Modeling & Evaluation.

- 2019.12 - 2020.05 - Software QA Intern at MEGVII, Beijing, China.

Publications and Preprints
'*' indicates equal contributions.
Searching Transferable Mixed-Precision Quantization Policy through Large Margin Regularization
Chen Tang, Kai Ouyang, Zenghao Chai, Yunpeng Bai, Zhi Wang
arXiv, 2023.ERA-Solver: Error-Robust Adams Solver for Fast Sampling of Diffusion Probabilistic Models
Shengmeng Li, Luping Liu, Zenghao Chai, Runnan Li, Xu Tan
arXiv, 2023.Learning Imbalanced Data with Vision Transformers
Zhengzhuo Xu, Ruikang Liu, Shuo Yang, Zenghao Chai, Chun Yuan
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2023.
[Code]HHF: Hashing-guided Hinge Function for Deep Hashing Retrieval
Chengyin Xu*, Zenghao Chai*, Zhengzhuo Xu*, Hongjia Li, Qiruyi Zuo, Lingyu Yang, Chun Yuan.
IEEE Transactions on Multimedia (TMM), 2022.
[Code]REALY: Rethinking the Evaluation of 3D Face Reconstruction
Zenghao Chai*, Haoxian Zhang*, Jing Ren, Di Kang, Zhengzhuo Xu, Xuefei Zhe, Chun Yuan, Linchao Bao.
European Conference on Computer Vision (ECCV), 2022.
[Page][Code][Poster]Semantic-Sparse Colorization Network for Deep Exemplar-based Colorization
Yunpeng Bai, Chao Dong, Zenghao Chai, Andong Wang, Zhengzhuo Xu, Chun Yuan.
European Conference on Computer Vision (ECCV), 2022.
[Code][Poster]HyP$^2$ Loss: Beyond Hypersphere Metric Space for Multi-label Image Retrieval
Chengyin Xu*, Zenghao Chai*, Zhengzhuo Xu, Chun Yuan, Yanbo Fan, Jue Wang.
ACM International Conference on Multimedia (ACMMM), 2022.
[Code]CMS-LSTM: Context Embedding and Multi-Scale Spatiotemporal Expression LSTM for Predictive Learning
Zenghao Chai, Zhengzhuo Xu, Yunpeng Bai, Zhihui Lin, Chun Yuan.
IEEE International Conference on Multimedia and Expo (ICME), 2022.
[Code]MoDeRNN: Towards Fine-grained Motion Details for Spatiotemporal Predictive Learning
Zenghao Chai, Zhengzhuo Xu, Chun Yuan.
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2022.
[Code]Towards Calibrated Model for Long-Tailed Visual Recognition from Prior Perspective
Zhengzhuo Xu*, Zenghao Chai*, Chun Yuan.
Thirty-Fifth Conference on Neural Information Processing Systems (NeurIPS), 2021.
[Code]Research on Learning Mechanism Designing for Equilibrated Bipolar Spiking Neural Networks
Xu Yang, Jiajun Lin, Wenhao Zheng, Jinfeng Zhao, Mengyao Ji, Yunlin Lei, Zenghao Chai.
Artificial Intelligence Review, 2020.Correlation Analysis-Based Neural Network Self-Organizing Genetic Evolutionary Algorithm
Zenghao Chai, Xu Yang, Zhilin Liu, Yunlin Lei, Wenhao Zheng, Mengyao Ji, Jinfeng Zhao.
IEEE Access, 2019.Constructing an Associative Memory System Using Spiking Neural Network
Hu He, Yingjie Shang, Xu Yang, Yingze Di, Jiajun Lin, Yimeng Zhu, Wenhao Zheng, Jinfeng Zhao, Mengyao Ji, Liya Dong, Ning Deng, Yunlin Lei, Zenghao Chai.
Frontiers in neuroscience, 2019.Amazons Evaluation Optimization Strategy Based on PSO Algorithm
Zenghao Chai, Zhiyuan Fang, Jie Zhu.
Chinese Control And Decision Conference (CCDC), 2019.
Patents
Chengyin Xu, Zenghao Chai, Zhengzhuo Xu, Yanbo Fan. A Retrieval Method and Apparatus, Device, and Storage Medium. Invention patent. Published Application Number: CN115146143A. 2022.
Chun Yuan, Zenghao Chai, Zhengzhuo Xu. A Lightweight Fine-grained Spatiotemporal Predictive Method and System. Invention patent. Published Application Number: CN114445463A. 2022.
Chongyang Shi, Zhaohe Liao, Zenghao Chai. A Move Generation Method for Game of the Amazons Based on Deep Convolutional Neural Network. Invention patent. Authorization Announcement Number: CN111330255B. 2020.
Awards and Honors
- Ministry of Education National Scholarship for Postgraduates (TOP 1%), 2022.11.
- Ping An AI BANK Scholarship (TOP 5%), 2021.09.
- Beijing Outstanding Graduate (TOP 5%), 2020.07.
- Beijing Institute of Technology Outstanding Graduate (TOP 5%), 2020.07.
- Xu Teli Scholarship (TOP 0.1%, best honor for undergraduates), 2020.06.
- Beijing Merit Student (TOP 1%), 2020.05.
- Beijing Institute of Technology Competition Scholarship (TOP 5%, 2 times), 2019-2020.
- Gold Medal of ICGA Computer Olympiad 2019, 2019.08.
- Meritorious Winner of MCM/ICM Contest in Modeling, 2019.04.
- Ministry of Industry and Information Technology Innovation Scholarship (TOP 1%), 2019.04.
- Gold Medal of International Genetically Engineered Machine competition (IGEM), 2018.12.
- Ministry of Education National Scholarship for Undergraduates (TOP 1%, 2 times), 2018-2019.
- Second Prize of University Computer Games Championship & National Computer Games Tournament, 2018.08.
- Third Prize of Beijing Physics Competition, 2017.11.
- First Prize of China Mathematics Competition, 2017.10.
- First Prize of Beijing Mathematics Competition, 2017.10.
- JJWorld Scholarship (TOP 5%), 2017.09.
- First Prize Scholarship of Beijing Institute of Technology (TOP 5%, 6 times), 2017-2020.