FER-CHC: Facial expression recognition with cross-hierarchy contrast

Published in Applied Soft Computing, 2023

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Recommended citation: Xuemei Wu, Jie He, Qionghao Huang, Changqin Huang, Jia Zhu, Xiaodi Huang, Hamido Fujita, "FER-CHC: Facial expression recognition with cross-hierarchy contrast." Applied Soft Computing, 2023.