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

[Dec. 2024] One paper is accepted to AAAI 2025.
[Aug. 2024] We present OpenScan, a new benchmark for generalized open-vocabulary 3D scene understanding.
[Dec. 2023] One paper is accepted to TIP.

Publications

Arxiv

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

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

Preprint

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

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

Postgraduate Studentship, City University of Hong Kong, 2023 - 2027
Outstanding Student Scholarship, Sun Yat-sen University, 2019 - 2022
3rd place, CVPR UG2+ Prize Challenge, 2022
1st place, ACM MM - Multimedia Grand Challenge, 2021

Posts

I share photorealistic portraits created using Stable Diffusion and LoRA techniques on RedNote (20K+ followers) and [Bilibili] (4K+ followers).