Method and device for recognizing facial expressions of children or teenagers in real time

Abstract

The invention discloses a method and a device for identifying facial expressions of children or teenagers in real time. The method comprises the following steps: acquiring collected video data in real time, and extracting a video frame with a face region; preprocessing the extracted video frame with the human face area and making a human face expression data set; a facial expression recognition network model is trained, and facial expression features are extracted and marked from the preprocessed video frames; and inputting the video frame marked with the facial expression features into the facial expression recognition network model, and taking the emotion category with the maximum probability as an expression recognition result of the current video frame image and outputting the expression recognition result. According to the method, real-time accurate classification of emotion categories is realized by using big data through the convolutional neural network, and the problem of inaccurate judgment of child or teenager emotion recognition by a teacher in a traditional method is avoided; in addition, a super-resolution reconstruction technology is introduced into image preprocessing, so that the problems of image distortion and low pixel can be solved.

Description

technical field [0001] The present application relates to the field of artificial intelligence technology, and in particular, to a method and device for recognizing the facial expressions of children or adolescents in real time. Background technique [0002] Psychological studies have found that emotions interact with children or adolescents' cognitive activities such as memory and concentration, and can directly or indirectly affect children's or adolescents' learning activities. Positive emotions can increase children's or adolescents' concentration, enhance thinking flexibility, and promote children's or adolescents' learning activities; negative emotions can inhibit children's or adolescents' cognitive processes, reduce their concentration, and make them easily detached from learning activities. Emotions can not only affect their learning activities, but also contagious. Emotional infection is the imitation and integration of non-verbal information of others without awa...

AI Technical Summary

Problems solved by technology

The inventor realizes that for emotional monitoring of children or adolescents, the current artificial intelligence-based facial expression recognition scheme still has the following deficiencies: the problem of video image pixels is not considered, and the recognition of low-pixel images may be inaccurate, which may cause serious harm to children. or inaccurate recognition of teen expressions and emotions; not specifically intended for children or teens

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