Kaixin Ding (丁凯欣)

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Biography

Hi👋 I'm Kaixin Ding, currently a second-year Ph.D. student at The University of Hong Kong, under the supervision of Prof.Hengshuang Zhao, I received my B.Eng. Degree of Computer Science and Honors Degree (Chu Kochen Honors College) from Zhejiang University, and I was fortunate to be supervised by Prof. Xi Li. Now I focus on generative AI and world models.


Recent Publications

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PlayWorld: Benchmarking World Models with Agent Players over Long-Horizon Objectives
Kaixin Ding, Xi Chen, Minghong Cai, Zhiyuan Xu, Yiyang Wang, Yuxiang Lu, Junyi Li, Shuyang Chen, Yuan Gao, Xin Tao, Pengfei Wan, Hengshuang Zhao.
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SURF: Signature-Retained Fast Video Generation
Kaixin Ding, Xi Chen, Sihui Ji, Yuan Gao, Liang Hou, Xin Tao, Hengshuang Zhao.
CVPR 2026 / Paper / Page
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Alchemist: Unlocking Efficiency in Text-to-Image Model Training via Meta-Gradient Data Selection
Kaixin Ding, Yang Zhou, Xi Chen, Miao Yang, Jiarong Ou, Rui Chen, Xin Tao, Hengshuang Zhao.
Preprint / Paper / Code

Honors

  • HKU Presidential PhD Scholar (HKU-PS), 2025.
  • First-Class Scholarship of Zhejiang University (Top 3%), 2022, 2023, 2024.

Experiences

  • Research Intern, Kling Team, Kuaishou Technology, 2025