1. Liu, Q. M., & Xin, Y. Y. (2020). Face expression recognition based on end-to-end low-quality face images. Journal of Chinese Computer Systems, 041(003), 668–672.
2. Li, T. T., Hu, Y. L., & Wei, F. L. (2020). Improved facial expression recognition algorithm based on GAN and application. Journal of Jilin University (Science Edition), 058(003), 605–610.
3. Qiang, W., Zhou, X. Y., Xu, H. N., Li, D. P., & An, H. R. (2020). Micro-expression recognition based on LBP and two-stream spatial-temporal neural network. Information and Contro, 49(06), 37–43.
4. Wu, H., Hu, M., Gao, Y., Wang, X. H., & Huang, Z. (2020). Facial expression recognition based on DCLBP and HOAG. Journal of Electronic Measurement and Instrumentation, 2, 73–79.
5. Zhou, H. L., Kinman, L., & He, X. J. (2016). Shape-appearance-correlated active appearance model. Pattern Recognition, 56(1), 88–99.