Sistema de Identificação de Expressões Faciais Básicas em um Editor de Texto Coletivo

The study presents a facial expression recognition system for detecting basic emotions in students during text production. The system presents a window for detecting user expressions and a report page with data stored over the time a document was edited. The research was divided into four stages: theoretical basis; selection of tools and libraries; development of the functionality and inclusion in the text editor; testing with experts and analysis of the results. The study concluded that it is possible to collect information regarding basic emotions through computer vision systems. Neste trabalho, os pesquisadores identificar m as Action Units (AU), que sâo movimentos musculares facíais que envolvem a contraçao ou relaxamento visivel de um, ou varios músculos da face humana.