Hangyu Li, Nannan Wang^†, Xi Yang, Xiaoyu Wang, and Xinbo Gao.
An Enhanced Adaptive Confidence Margin for Semi-Supervised Facial Expression Recognition.
IEEE Transactions on Pattern Analysis and Machine Intelligence (IEEE TPAMI), vol. 48, no. 2, pp. 1278-1290, 2026.
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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, pp. 1377-1385.
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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), vol. 27, pp. 7864-7875, 2025.
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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), vol. 35, no. 7, pp. 6926-6935, 2025.
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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.
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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.
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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.
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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.
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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.
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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.
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