Which coding system is mentioned as being used to identify facial expressions in affective computing analysis?

Answer

Facial Action Coding System (FACS)

Facial expression recognition is often tied to standardized coding systems such as FACS, developed by Paul Ekman and Wally Friesen, which identifies specific Action Units.

Which coding system is mentioned as being used to identify facial expressions in affective computing analysis?
inventionArtificial Intelligenceemotioncomputer scienceaffective computing