Free white paper
Facial Action Coding System (FACS)
This white paper explains the Facial Action Coding System and how FaceReader automates the detection of Action Units for objective facial expression analysis.
- checkWhat are Action Units?
- checkHow FACS classifies facial movements
- checkAutomated vs. manual FACS coding
- checkApplications in research and clinical settings
- checkFaceReader's FACS module capabilities
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Understanding Action Units
The Facial Action Coding System (FACS) describes facial movements in terms of Action Units (AUs) — individual muscle movements that combine to form expressions. FACS provides an objective, anatomically-based system for describing facial behavior.
- check20+ Action Units detected automatically
- checkLeft and right side analysis
- checkIntensity scoring for each AU
- checkTemporal dynamics of expressions
- checkCustom expression creation from AU combinations