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In addition, this study integrates the soft attention mechanism into the proposed model so that the model automatically learns the feature maps that are more important for facial expression recognition and the salient regions within the feature maps. At the same time, this study performs weighted fusion on the features extracted from different branches, and uses the fused features to re-recognize student features. Finally, this study analyzes the results of this paper through control experiments. The research results show that the algorithm proposed in this paper has good performance and can be applied to the distance teaching system.<\/jats:p>","DOI":"10.3233\/jifs-189215","type":"journal-article","created":{"date-parts":[[2020,9,8]],"date-time":"2020-09-08T10:32:22Z","timestamp":1599561142000},"page":"2157-2167","source":"Crossref","is-referenced-by-count":7,"title":["Performance analysis of distance teaching classroom based on machine learning and virtual reality"],"prefix":"10.1177","volume":"40","author":[{"given":"Yuanyuan","family":"Cai","sequence":"first","affiliation":[{"name":"Qinggong College, North China University of Science and Technology, Tangshan, China"}]},{"given":"Tingting","family":"Zhao","sequence":"additional","affiliation":[{"name":"Qinggong College, North China University of Science and Technology, Tangshan, China"}]}],"member":"179","reference":[{"issue":"11","key":"10.3233\/JIFS-189215_ref1","doi-asserted-by":"crossref","first-page":"2049","DOI":"10.1109\/TMM.2015.2477042","article-title":"Robust Face Recognition via Multimodal Deep Face Representation","volume":"17","author":"Ding","year":"2015","journal-title":"IEEE Transactions on Multimedia"},{"issue":"3","key":"10.3233\/JIFS-189215_ref2","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1007\/s11036-015-0586-3","article-title":"Cloud-Assisted Speech and Face Recognition Framework for Health Monitoring","volume":"20","author":"Hossain","year":"2015","journal-title":"Mobile Networks & Applications"},{"issue":"3","key":"10.3233\/JIFS-189215_ref3","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1049\/iet-bmt.2012.0071","article-title":"Motion-based counter-measures to photo attacks in face recognition","volume":"3","author":"Anjos","year":"2014","journal-title":"Biometrics, IET"},{"issue":"2-3","key":"10.3233\/JIFS-189215_ref4","first-page":"272","article-title":"Single-Sample Face Recognition with Image Corruption and Misalignment via Sparse Illumination Transfer","volume":"114","author":"Zhuang","year":"2014","journal-title":"Proceedings \/ CVPR, IEEE Computer Society Conference on Computer Vision and Pattern Recognition. 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