[1] [1] Li J, Mi Y, Li G, et al. CNN-Based facial expression recognition from annotated RGB-D images for Human–Robot interaction［J］. International Journal of Humanoid Robotics,2019,16(04):504-505.

[6] [6] Takalkar M A, Xu M. Image based facial micro-expression recognition using deep learning on small datasets［C］∥2017 International Conference on Digital Image Computing: Techniques and Applications (DICTA). Sydney Australia:IEEE,2017:10-21.

[7] [7] Allaert B, Bilasco I M, Djeraba C. Consistent optical flow maps for full and micro facial expression recognition［C］∥ International Conference on Computer Vision Theory & Applications.Vienna,Austria:IEEE,2017:33-42.

[8] [8] Mohanty R, Happy S L, Routray A. Spatial–Spectral regularized local scaling cut for dimensionality reduction in hyperspectral image classification［J］. IEEE Geoence and Remote Sensing Letters,2019,16(6):932-936.

[9] [9] Xu F, Zhang J, Wang J Z. Micro-expression identification and categorization using a facial dynamics map［J］. IEEE Transactions on Affective Computing,2017,8(2):254-267.

[10] [10] Su W, Wang Y, Su F, et al. Micro-expression recognition based on the spatio-temporal feature［C］∥2018 IEEE International Conference on Multimedia & Expo Workshops (ICMEW).San Diego,USA:IEEE,2018:1-6.

[11] [11] Liong S T, Wong K S. Micro-expression recognition using apex frame with phase information［C］∥Asia-pacific Signal & Information Processing Association Summit & Conference.Jeju, Korea:IEEE,2017:12-15.

[12] [12] Pei J, Shan P. A Micro-expression recognition algorithm for students in classroom learning based on convolutional neural network［J］. Traitement du Signal,2019,36(6):557-563.

[13] [13] Li Y, Huang X, Zhao G. Can micro-expression be recognized based on single apex frame［C］∥International Conference on Image.Athens,Greece:IEEE,2018:3094-3098.

[14] [14] Bao L, Wu B, Liu W. CNN in MRF: video object segmentation via inference in a CNN-Based higher-order spatio-temporal MRF［C］∥2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR).Salt Lake City,USA:IEEE,2018:31-41.

[15] [15] Khotanlou H, Afrasiabi M, Gevers T. Spatial-temporal dual-actor CNN for human interaction prediction in video［J］. Multimedia Tools and Applications,2020,21(3):33-39.

[17] [17] Chen B W, Rho S, Imran M, et al. Cognitive sensors based on ridge phase-smoothing localization and multiregional histograms of oriented gradients［J］. IEEE Transactions on Emerging Topics in Computing,2019,7(1):123-134.

[18] [18] Yan W J, Li X, Wang S J, et al. CASME Ⅱ: an improved spontaneous micro-expression database and the baseline evaluation［J］. Plos One,2014,9(1):1-8.

[19] [19] Liong S T, Gan Y S, See J, et al. Shallow triple stream three-dimensional CNN (STSTNet) for micro-expression recognition［C］∥2019 14th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2019).Lille,France:IEEE,2019:14-18.