Psychological research has classified six facial expressions which correspond to distinct universal emotions: disgust, sadness, happiness,fear,anger, surprise[Black,Yacoob,95]. It is interesting to note that four out of the six are negative emotions.
We have generalized the cues for facial expression as suggested by Ekman and Friesen in the table below. We create all expressions via applying a sequential combination of linear or sphincter muscles over the appropriate bounding boxes.
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免費玩Facial expressions App
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