1. "Measuring facial action;Cohn,2005
2. What the Face reveals: Basic and Applied Studies of Spontaneous Expression Using the Facial Action Coding System (FACS);Ekman,1997
3. Local deep-feature alignment for unsupervised dimension reduction;Zhang;IEEE Trans. Image Process.,2018
4. Incremental boosting convolutional neural network for facial action unit recognition;Han,2016
5. Facenet2expnet: regularizing a deep face recognition net for expression recognition;Ding,2017