[Retracted] Emotion Recognition of Students Based on Facial Expressions in Online Education Based on the Perspective of Computer Simulation

<div>Basic facial expression phenotypes from CK+ and FER2013: from left to right are anger, contempt, disgust, fear, happiness, neutral, sadness, and surprise.</div>

Complexity

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Figure 1: [Retracted] Emotion Recognition of Students Based on Facial Expressions in Online Education Based on the Perspective of Computer Simulation 

Figure 1 | [Retracted] Emotion Recognition of Students Based on Facial Expressions in Online Education Based on the Perspective of Computer Simulation 