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• W4224003776 abstract "The quality of a teaching method used in a classroom can be assessed by observing the facial expressions of students. To automate this, Facial Expression Recognition (FER) can be employed. Based on the recognized emotions of students, teachers can improve their lectures by determining which activities during the lecture evoke which emotions and how these emotions are related to the tasks solved by the students. Previous work mostly addresses the problem in the context of passive teaching, where teachers present while students listen and take notes, and usually in online courses. We take this a step further and develop predictive models that can classify emotions in the context of active teaching, specifically a robotics workshop, which is more challenging. The two best generalizing models (Inception-v3 and ResNet-34) on the test set were combined with the goal of real-time emotion prediction on videos of workshop participants solving eight tasks using an educational robot. As a proof of concept, we applied the models to the video data and analyzed the predicted emotions with regard to activities, tasks, and gender of the participants. Statistical analysis showed that female participants were more likely to show emotions in almost all activity types. In addition, for all activity types, the emotion of happiness was most likely regardless of gender. Finally, the activity type in which the analyzed emotions were the most frequent was programming. These results indicate that students’ facial expressions are related to the activities they are currently engaged in and contain valuable information for teachers about what they can improve in their teaching practice." @default.
• W4224003776 created "2022-04-19" @default.
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• W4224003776 date "2022-04-14" @default.
• W4224003776 modified "2023-10-05" @default.
• W4224003776 title "Real-Time Facial Expression Recognition Using Deep Learning with Application in the Active Classroom Environment" @default.
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• W4224003776 doi "https://doi.org/10.3390/electronics11081240" @default.
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