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This paper presents a computing system to infer anger, fear, disgust, surprise, joy, and sadness emotions from user's facial expressions through a webcam. The emotion detection is based on a facial psychological system, the Facial Action Coding System (FACS), and uses machine learning algorithms for its execution. Experiments using this system reached 60% success in average, achieving a success rate of 90% for joy and sadness.

Inferindo as emoções do usuário pela face através de um sistema psicológico de codificação facial