Youjun Zhao | City University of Hong Kong

About Me

I’m a Ph.D. candidate from City University of Hong Kong, supervised by Prof. Rynson W.H. Lau. Prior to that, I received my Bachelor’s degree from Sun Yat-sen University in 2023. My research interests span the area of computer vision and deep learning, especially the video generation and 3D scene understanding.

News

[Nov. 2025] One paper is accepted to AAAI 2026.
[Dec. 2024] One paper is accepted to AAAI 2025.
[Dec. 2023] One paper is accepted to TIP.

Publications

AAAI 26

OpenScan: A Benchmark for Generalized Open-Vocabulary 3D Scene Understanding

Youjun Zhao, Jiaying Lin, Shuquan Ye, Qianshi Pang, Rynson W.H. Lau

Annual AAAI Conference on Artificial Intelligence (AAAI 2026).

PDF Arxiv Code Data Zhihu(Chinese) Project

AAAI 25

Hierarchical Cross-Modal Alignment for Open-Vocabulary 3D Object Detection

Youjun Zhao, Jiaying Lin, Rynson W.H. Lau

Annual AAAI Conference on Artificial Intelligence (AAAI 2025).

PDF Arxiv Code Project

TIP

Facial Prior Guided Micro-Expression Generation

Yi Zhang, Xinhua Xu, Youjun Zhao, Yuhang Wen, Zixuan Tang, Mengyuan Liu

IEEE Transactions on Image Processing (TIP 2023).

PDF Code

Services

Teaching

Teaching Assistant,Multimedia Technologies and Applications(CS4185), Semester A 2024/25, Semester A 2025/26

Teaching Assistant,Virtual Reality Technologies and Applications(CS4188), Semester A 2023/24, Semester B 2024/25

Teaching Assistant,Introduction to Computer Programming(CS1302), Semester B 2023/24

Hornors & Awards

3rd place, CVPR UG2+ Prize Challenge, 2022
1st place, ACM MM - Multimedia Grand Challenge, 2021