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 3D scene understanding and image generation.

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

AAAI 25

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

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

The 39th Annual AAAI Conference on Artificial Intelligence (AAAI 2025).

PDF Code Project

Arxiv

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

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

Arxiv 2024

PDF Code Data Zhihu(Chinese) 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

Hornors & Awards

Postgraduate Studentship, City University of Hong Kong, 2023 - 2027
Outstanding Student Scholarship, Sun Yat-sen University, 2019 - 2022
Second Runner-Up, CVPR UG2+ Prize Challenge, 2022
Winner, ACM MM - Multimedia Grand Challenge, 2021

Posts

I share photorealistic portraits created using Stable Diffusion and LoRA techniques on Xiaohongshu (20,000 + followers).