Jiahang Zhang

ABOUT ME

Hi, I'm Zhang Jiahang, currently pursuing the Ph.D. degree at STRUCT group, WICT, guided by Professor Jiaying Liu. My research interest lies in Computer Vision, especially Human Motion Understanding and Generation.

Experience

09/2019 - 07/2023: Bachelor major in Computer Science and Technology, EECS, Peking University.

09/2024 - 08/2025: Visiting student at Peng Cheng Laboratory, Shen Zhen.

Publications

* indicates equal contribution.

- Jiahang Zhang, Lilang Lin, Shuai Yang, Jiaying Liu. "Self-Supervised Skeleton-Based Action Representation Learning: A Benchmark and Beyond", IJCV, 2025.

- Lilang Lin, Jiahang Zhang, Jiaying Liu. "Self-Supervised Skeleton Representation Learning via Actionlet Contrast and Reconstruct", IEEE TPAMI, 2025.

- Jiahang Zhang, Lilang Lin, Shuai Yang, Jiaying Liu. "SGAR: Structural Generative Augmentation for 3D Human Motion Retrieval", NeurIPS, SAN DIEGO, USA, December 2025.

- Jiahang Zhang, Lilang Lin, Jiaying Liu. "Shap-Mix: Shapley Value Guided Mixing for Long-Tailed Skeleton Based Action Recognition", IJCAI, Jeju, Korea, August 2024.

- Jiahang Zhang*, Lilang Lin*, Zejia Fan, Wenjing Wang, Jiaying Liu. "S5Mars: Semi-Supervised Learning for Mars Semantic Segmentation", IEEE TGRS, 2024.

- Lilang Lin*, Jiahang Zhang*, Jiaying Liu. "Mutual Information Driven Equivariant Contrastive Learning for 3D Action Representation Learning", IEEE TIP, 2024.

- Jiahang Zhang, Lilang Lin, Jiaying Liu. "Prompted Contrast with Masked Motion Modeling: Towards Versatile 3D Action Representation Learning", ACM MM, Ottawa, Canada, October 2023.

- Lilang Lin, Jiahang Zhang, Jiaying Liu. "Actionlet-Dependent Contrastive Learning for Unsupervised Skeleton-Based Action Recognition", CVPR, Highlight, Vancouver, Canada, June, 2023.

- Jiahang Zhang, Lilang Lin, Jiaying Liu. "Hierarchical Consistent Contrastive Learning for Skeleton-Based Action Recognition with Growing Augmentations", AAAI, Oral, WASHINGTON, DC, USA, February 2023.

Others

• Ranked in the top 7% of GPA during undergraduate study.

• Merit Student Award, Academic Excellence Award, Arawana Scholarship, The Second Prize of PKU Scholarship, Outstanding Graduate in Peking University.

• First prize of Wang Xuan Scholarship in WICT 2023.

• National Scholarship in PKU 2024.