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Zihui Zhang 张子辉

PostDoc@HK PolyU, vLAR Group

About Me

Zihui Zhang is a PostDoc in vLAR Group led by Prof. Bo Yang at The Hong Kong Polytechnic University. He received Ph.D. degree from the Department of Computing, The Hong Kong Polytechnic University, supervised by Prof. Bo Yang (2021-2026). Previously, he received his M.Sc. degree from the School of Mathematics and Statistics, Xi'an Jiaotong University, supervised by Prof. Huibin Li (2018-2021), and his B.Sc. degree from the School of Mathematical Science, University of Electronic Science and Technology of China (2014-2018). His research interests lie in 3D unsupervised learning, 3D/4D scene generation and world models.

Education
Ph.D., Department of Computing
2018.09 - 2021.06
M.Sc., School of Mathematics and Statistics
B.Sc., School of Mathematical Science
Publications

FoundObj: Self-supervised Foundation Models as Rewards for Label-free 3D Object Segmentation

Zihui Zhang, Zhixuan Sun, Yafei YANG, Jinxi Li, Jiahao Chen, Bo Yang

The International Conference on Machine Learning (ICML), 2026

PhysInOne: Visual Physics Learning and Reasoning in One Suite

Siyuan Zhou, Hejun Wang, Hu Cheng, Jinxi Li, Dongsheng Wang, Junwei Jiang, Yixiao Jin, Jiayue Huang, Shiwei Mao, Shangjia Liu, Yafei Yang, Hongkang Song, Shenxing Wei, Zihui Zhang, DataTeam, Bing Wang, Zhihua Wang, Chuhang Zou, Bo Yang

IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2026

EvObj: Learning Evolving Object-centric Representations for 3D Instance Segmentation without Scene Supervision

Jiahao Chen, Zihui Zhang*, Yafei Yang, jinxi Li, Shenxing Wei, Zhixuan Sun, Bo Yang

IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2026

* indicates corresponding author

GrowSP++: Growing Superpoints and Primitives for Unsupervised 3D Semantic Segmentation

Zihui Zhang, Weisheng Dai, Bo Yang, Bing Wang, Bo Li

IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2026

GrabS: Generative Embodied Agent for 3D Object Segmentation without Scene Supervision

Zihui Zhang, Yafei Yang, Hongtao Wen, Bo Yang

International Conference on Learning Representations (ICLR), 2025 (Spotlight)

LogoSP: Local-global Grouping of Superpoints for Unsupervised Semantic Segmentation of 3D Point Clouds

Zihui Zhang, Weisheng Dai, Hongtao Wen, Bo Yang

IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2025

unMORE: Unsupervised Multi-Object Segmentation via Center-Boundary Reasoning

Yafei Yang, Zihui Zhang, Bo Yang

The International Conference on Machine Learning (ICML), 2025

Boundary-aware Multiclass Spinal Cord Tumor Segmentation on 3D MRI Scans

Hongkang Song, Zihui Zhang, Yanpeng Zhou, Jie Hu, Zishuo Wang, Hou Him Chan, Chon Lok Lei, Chen Xu, Yu Xin, Bo Yang

The European Conference on Computer Vision Workshop (ECCV Workshop), 2024

Adaptive Representation Learning and Sample Weighting for Low-Quality 3D Face Recognition

Cuican Yu, Fengxun Sun, Zihui Zhang, Huibin Li, Limin Chen, Jian Sun, Zongben Xu

Pattern Recognition (PR), 2024

GrowSP: Unsupervised Semantic Segmentation of 3D Point Clouds

Zihui Zhang, Bo Yang, Bing Wang, Bo Li

IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2023

Meta-learning-based adversarial training for deep 3D face recognition on point clouds

Cuican Yu, Zihui Zhang, Huibin Li, Jian Sun, Zongben Xu

Pattern Recognition (PR), 2023

Learning Flexibly Distributional Representation for Low-quality 3D Face Recognition

Zihui Zhang, Cuican Yu, Shuang Xu, Huibin Li

The AAAI Conference on Artificial Intelligence (AAAI), 2021

Learning Distribution Independent Latent Representation for 3D Face Disentanglement

Zihui Zhang, Cuican Yu, Huibin Li, Jian Sun, Feng Liu

The International Conference on 3D Vision (3DV), 2020

Academic Service
Journal Reviewer:

IJCV, TNNLS, TCSVT

Conference Reviewer:

CVPR, ICCV, ECCV, NeurIPS, ICML

Awards
[2025]

GSCS&ICUI 2025 Best Presentation

[2021]

Outstanding Graduate, Xi'an Jiaotong University

[2021]

Outstanding Thesis Award, Xi'an Jiaotong University

[2018]

Outstanding Graduate, University of Electronic Science and Technology of China

[2018]

Outstanding Thesis Award, University of Electronic Science and Technology of China