Hangyu Li (PostDoc at HKBU)

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Publications

[† indicates the corresponding author and * indicates the equal contribution]

Published Papers

  1. Hangyu Li, Nannan Wang†, Xi Yang, Xiaoyu Wang, and Xinbo Gao.
    Towards Semi-Supervised Deep Facial Expression Recognition with An Adaptive Confidence Margin.
    In IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2022, pp. 4166-4175.
    [ Link ] [ CODE ]

  2. Hangyu Li, Yixin Zhang, Jiangchao Yao, Nannan Wang†, and Bo Han.
    Towards Regularized Mixture of Predictions for Class-Imbalanced Semi-Supervised Facial Expression Recognition.
    In Proceedings of the 34th International Joint Conference on Artificial Intelligence (IJCAI), 2025.

  3. Hangyu Li, Nannan Wang†, Xinpeng Ding, Xi Yang, and Xinbo Gao.
    Adaptively Learning Facial Expression Representation via C-F Labels and Distillation.
    IEEE Transactions on Image Processing (IEEE TIP), vol. 30, pp. 2016-2028, 2021.
    [ Link ]

  4. Hangyu Li, Nannan Wang†, Xi Yang, and Xinbo Gao.
    CRS-CONT: A Well-Trained General Encoder for Facial Expression Analysis.
    IEEE Transactions on Image Processing (IEEE TIP), vol. 31, pp. 4637-4650, 2022.
    [ Link ] [ CODE ]

  5. Hangyu Li, Nannan Wang†, Xi Yang, Xiaoyu Wang, and Xinbo Gao.
    Unconstrained Facial Expression Recognition with No-Reference De-Elements Learning.
    IEEE Transactions on Affective Computing (IEEE TAFFC), vol. 15, no. 1, pp. 173-185, 2024.
    [ Link ]

  6. Hangyu Li, Yihan Xu, Jiangchao Yao, Nannan Wang†, Xinbo Gao, and Bo Han.
    Knowledge-Enhanced Facial Expression Recognition with Emotional-to-Neutral Transformation.
    IEEE Transactions on Multimedia (IEEE TMM), 2025.

  7. Hangyu Li, Nannan Wang†, Yi Yu, Xi Yang, and Xinbo Gao.
    LBAN-IL: A Novel Method of High Discriminative Representation for Facial Expression Recognition.
    Neurocomputing (NEUCOM), vol. 432, pp. 159-169, 2021.
    [ Link ]

  8. Hangyu Li, Nannan Wang†, Mingrui Zhu, Xi Yang, and Xinbo Gao.
    Recent Advances in Neural Architecture Search: A Survey.
    Journal of Software (in Chinese), vol. 33, no. 1, pp. 129-149, 2022.
    [ Link ]

  9. Yihan Xu, Hangyu Li†, Mingrui Zhu, Nannan Wang†, and Xinbo Gao.
    Boosting Semi-Supervised Facial Attribute Recognition with Dynamic Threshold Pairs.
    IEEE Transactions on Circuits and Systems for Video Technology (IEEE TCSVT), 2025.
    [ Link ]

Preprints

  1. Hangyu Li, Nannan Wang†, Xi Yang, Xiaoyu Wang, and Xinbo Gao.
    An Enhanced Adaptive Confidence Margin for Semi-Supervised Facial Expression Recognition.
    Under Review, 2023.