Visiting Student | HKUST
Time: 11/2024 - 6/2025. Advisor: Prof. Harry Yang

Research Intern | Everlyn AI
Time: 8/2024 - 5/2025. Mentor: Prof. Ser-Nam Lim

Research Intern | HKGAI
Time: 5/2024 - 8/2024. Mentor: Prof. Wenhan Luo

Hierarchical Fine-grained Preference Optimization for Physically Plausible Video Generation
Harold Haodong Chen, Haojian Huang, Qifeng Chen, Harry Yang^†, Ser-Nam Lim^†
arXiv, 2025
[arXiv] [Webpage]

Temporal Regularization Makes Your Video Generator Stronger
Harold Haodong Chen, Haojian Huang, Xianfeng Wu, Yexin Liu, Yajing Bai, Wen-Jie Shu, Harry Yang^†, Ser-Nam Lim^†
arXiv, 2025
[arXiv] [Webpage]

LightGen: Efficient Image Generation through Knowledge Distillation and Direct Preference Optimization
Xianfeng Wu*, Yajing Bai*, Haoze Zheng*, Harold Haodong Chen* (co-first), Yexin Liu*, Zihao Wang, Xuran Ma, Wen-Jie Shu, Harry Yang^†, Ser-Nam Lim^†
Technical Report, 2025
[arXiv] [Code]

Beyond Generation: Unlocking Universal Editing via Self-Supervised Fine-Tuning
Harold Haodong Chen, Harry Yang^†, Ser-Nam Lim^†
arXiv, 2024
[arXiv] [Webpage] [Code] [Benchmark]

GaussianVTON: 3D Human Virtual Try-ON via Multi-Stage Gaussian Splatting Editing with Image Prompting
Haodong Chen, Yongle Huang, Haojian Huang, Xiangsheng Ge, Dian Shao^†
Technical Report, 2024
[arXiv] [Webpage] [Code]

FineQuest: Adaptive Knowledge-Assisted Sports Video Understanding via Agent-of-Thoughts Reasoning
Haodong Chen, Haojian Huang, Xinxiang Yin, Dian Shao^†
ACM International Conference on Multimedia (MM), 2025
[Paper] [arXiv]

VistaDPO: Video Hierarchical Spatial-Temporal Direct Preference Optimization for Large Video Models
Haojian Huang*, Haodong Chen* (co-first), Shengqiong Wu, Meng Luo, Jinlan Fu, Xinya Du, Hanwang Zhang, Hao Fei^†
International Conference on Machine Learning (ICML), 2025
[Paper] [arXiv] [Code] [Dataset]

FinePhys: Fine-grained Human Action Generation by Explicitly Incorporating Physical Laws for Effective Skeletal Guidance
Dian Shao^†, Mingfei Shi, Shengda Xu, Haodong Chen, Yongle Huang, Binglu Wang
IEEE/CVF Computer Vision and Pattern Recognition (CVPR), 2025
[Paper] [arXiv] [Webpage] [Code]

SeFAR: Semi-supervised Fine-grained Action Recognition with Temporal Perturbation and Learning Stabilization
Yongle Huang*, Haodong Chen* (co-first), Zhenbang Xu, Zihan Jia, Haozhou Sun, Dian Shao^†
AAAI Conference on Artificial Intelligence (AAAI), 2025
[Paper] [arXiv] [Code] [Dataset]

FineCLIPER: Multi-modal Fine-grained CLIP for Dynamic Facial Expression Recognition with AdaptERs
Haodong Chen, Haojian Huang, Junhao Dong, Mingzhe Zheng, Dian Shao^†
ACM International Conference on Multimedia (MM), 2024
[Paper] [arXiv] [Webpage]

CREST: Cross-modal Resonance through Evidential Deep Learning for Enhanced Zero-Shot Learning
Haojian Huang, Xiaozhen Qiao, Zhuo Chen, Haodong Chen, Bingyu Li, Zhe Sun, Mulin Chen^†, Xuelong Li^†
ACM International Conference on Multimedia (MM), 2024
[Paper] [arXiv] [Code]

UrbanCLIP: Learning Text-enhanced Urban Region Profiling with Contrastive Language-Image Pretraining from the Web
Yibo Yan, Haomin Wen, Siru Zhong, Wei Chen, Haodong Chen, Qingsong Wen, Roger Zimmermann, Yuxuan Liang^†
ACM International World Wide Web Conference (WWW), 2024 (Oral Presentation)
[Paper] [arXiv] [Video] [Code]