Delong Chen

Delong Chen

PhD Student


Delong Chen (陈德龙) is a PhD student (2023-) at Hong Kong University of Science and Technology (HKUST) under the supervision of Prof. Pascale Fung. He is now working on vision-language and representation learning. He received the B.Eng degree of computer science in 2021 from Hohai University, where he was advised by Prof. Fan Liu. Afterwards, he took two gap years doing internships at MEGVII (Face++) Research, MSRA and Xiaobing.AI (Xiaoice).

He recived Best Demo award at IEEE ICME'21, Best Dataset Paper at LTDL@IJCAI'21, Best Paper in AAAI'23 Inaugural Summer Symposium Series, and First Class Outstanding Thesis of Jiangsu Province. He served as a reviewer for NeurIPS 2024, ARR Feb/Apr 2024, ACM MM 2023/2024, ACM TIST, IEEE TITS, Artificial Intelligence Review, etc.

📄 Download CV (updated on May 2024)

Publications & Preprints

🚀 Vision and language

  • Delong Chen, Samuel Cahyawijaya, Jianfeng Liu, Baoyuan Wang, Pascale Fung
    Subobject-level Image Tokenization
    arXiv Preprint, 2024. [github] [arXiv]

  • Delong Chen, Samuel Cahyawijaya, Etsuko Ishii, Ho Shu Chan, Yejin Bang, Pascale Fung
    The Pyramid of Captions
    arXiv Preprint, 2024. [arXiv]

  • Delong Chen, Jianfeng Liu, Wenliang Dai, Baoyuan Wang.
    Visual Instruction Tuning with Polite Flamingo
    Thirty-Eighth AAAI Conference on Artificial Intelligence (AAAI), 2024. [github] [arXiv] [doi] (Oral)

  • Delong Chen, Fan Liu, Xiaoyu Du, Ruizhuo Gao, Feng Xu.
    MEP-3M: A Large-scale Multi-modal E-Commerce Products Dataset
    IJCAI-21 Workshop on Long-Tailed Distribution Learning, 2021. [paper] (Best Dataset Paper)
    (Journal version) Pattern Recognition, 2023. [github] [doi]

🌏Representation Learning

  • Delong Chen, Zhao Wu, Fan Liu, Zaiquan Yang, Huaxi Huang, Ying Tan, Erjin Zhou.
    ProtoCLIP: Prototypical Contrastive Language Image Pretraining
    IEEE Transactions on Neural Networks and Learning Systems (TNNLS), 2023. [github] [arXiv] [doi]

  • Fan Liu*✉, Delong Chen*✉, Zhangqingyun Guan, Xiaocong Zhou, Jiale Zhu, Jun Zhou
    RemoteCLIP: A Vision Language Foundation Model for Remote Sensing
    IEEE Transactions on Geoscience and Remote Sensing (TGRS), 2024. [github] [arXiv] [doi]

  • Samuel Cahyawijaya*, Delong Chen*, Yejin Bang*, Leila Khalatbari, Bryan Wilie, Ziwei Ji, Etsuko Ishii, Pascale Fung*
    High-Dimension Human Value Representation in Large Language Models
    arXiv Preprint, 2024. [arXiv]

🤖 Large Language Models

  • Yejin Bang, Delong Chen, Nayeon Lee, Pascale Fung
    Measuring Political Bias in Large Language Models: What Is Said and How It Is Said
    ACL 2024. [arXiv]

  • Ziwei Ji, Nayeon Lee, Rita Frieske, Tiezheng Yu, Dan Su, Yan Xu, Etsuko Ishii, Ye Jin Bang, Delong Chen, Ho Shu Chan, Wenliang Dai, Andrea Madotto, Pascale Fung
    Survey of Hallucination in Natural Language Generation
    arXiv Preprint, 2024. [arXiv]

  • Xinyu Zhou🌹*, Delong Chen*, Yudong Chen
    Towards Joint Modeling of Dialogue Response and Speech Synthesis based on Large Language Model
    The 6th International Conference on Natural Language and Speech Processing (ICNLSP), 2023. [github] [arXiv]

🎵 Music-driven Motion Generation

  • Delong Chen, Fan Liu, Zewen Li, Feng Xu
    VirtualConductor: Music-driven Conducting Video Generation System
    IEEE International Conference on Multimedia & Expo (ICME) 2021. [arXiv][video] (Best Demo)

  • Fan Liu, Delong Chen,Ruizhi Zhou, Sai Yang, Feng Xu
    Self-Supervised Music Motion Synchronization Learning for Music-Driven Conducting Motion Generation
    Journal of Computer Science and Technology (JCST), 2022 [github] [video] [doi]

  • Zhuoran Zhao, Jinbin Bai, Delong Chen, Debang Wang, Yubo Pan
    Taming Diffusion Models for Music-driven Conducting Motion Generation
    AAAI 2023 Inaugural Summer Symposium Series – AI x metaverse. [github] [arXiv] (Best Paper)

🔎 Few-shot Visual Recognition

  • Fan Liu, Tianshu Zhang, Wenwen Dai, Wenwen Cai, Xiaocong Zhou, Delong Chen
    Few-shot Adaptation of Multi-modal Foundation Models: A Survey
    ArXiv Preprint, 2024. [arXiv]

  • Sai Yang, Fan Liu, Delong Chen, Jun Zhou
    Few-shot Classification via Ensemble Learning with Multi-Order Statistics
    Thirty-Second International Joint Conference on Artificial Intelligence (IJCAI), 2023. [arXiv] (Oral)

  • Fan Liu, Sai Yang, Delong Chen, Huaxi Huang, Jun Zhou
    Few-shot Classification Guided by Generalization Error Bound
    Pattern Recognition, 2023. [doi]

  • Fan Liu*, Delong Chen*, Fei Wang, Zewen Li, Feng Xu
    Deep Learning based Single Sample Face Recognition: A Survey
    Artificial Intelligence Review, 2022. [arXiv] [doi]

    * Joint First Authors
    ✉ Corresponding Authors


  • 2023-06. Best Paper
    at AAAI 2023 Inaugural Summer Symposium Series - AI x Metaverse
  • 2022-06. 江苏省优秀本科毕业论文一等奖
    First Class Outstanding Graduation Thesis of Jiangsu Province
  • 2021-08. Best Dataset Paper
    at Long-Tailed Distribution Learning Workshop, IJCAI 2021
  • 2021-07. Best Demo
    at IEEE International Conference on Multimedia and Expo (ICME) 2021
  • 2021-07. Best Presentation Winner
    at 2021 4th International Conference on Big Data and Artificial Intelligence
  • 2021-06. 河海大学2021届本科优秀毕业设计
    Outstanding Graduation Thesis of Hohai University in 2021
  • 2021-06. 河海大学2021届本科“优秀毕业生”荣誉称号
    Excellent Graduate Student of Hohai University (highest honor)
  • 2021-04. 2020江苏省大学生网络文化节校园歌曲作品征集一等奖
    First Prize in 2020 Campus Music Competition of Jiangsu Province
  • 2020-05. “江苏省优秀共青团员”称号
    Excellent Communist Youth League Member of Jiangsu Province
  • 2020-10. “2019江苏省大学生年度人物”提名奖
    Nomination Award for the Person of the Year in Jiangsu Province in 2019
  • 2020-04. 2020年河海大学“海韵风华大学生年度人物”称号
    Hohai University 2019 Undergraduate Person of the Year
  • 2019-06. 第八届“中国软件杯”大学生软件设计大赛华东分赛区决赛三等奖 (团队负责人)
    Third Prize of The 8th China Software Cup, East China Division Finals
  • 2017-10. 河海大学计算机与信息学院2017年新生杯辩论赛“最佳辩手”
    Best Debater in the 2017 Freshman Cup Debate Competition at Hohai University

Music 🎻

Delong is passionate about music!
He was awarded a violin performance diploma from the Central Conservatory of Music (中央音乐学院).
He served as the leader of the Hohai University Symphony Orchestra (河海大学管弦乐团) during 2019-2020.
He is also at with 20k+ followers.

Internationale ☭

Internationale ☭

Piano: Qiwen Zhang (张启文). Violin: Delong Chen & Haolin Ouyang



Cloud Symphony: Hanyang Gate Garden. Organized an 11-university symphony orchestra cloud performance – composition, audio mixing, and video editing. Media coverage Xinhua News Agency (新华社), People’s Daily (人民日报)