Detection, tracking, and classification of action units in facial expression.
James Jenn-Jier LienTakeo KanadeJeffrey F. CohnChing-Chung LiPublished in: Robotics Auton. Syst. (2000)
Keyphrases
- action units
- facial expressions
- facial actions
- middle level
- human activities
- image sequences
- facial expression recognition
- head motion
- human faces
- video sequences
- expression recognition
- face images
- facial features
- recognition of facial expressions
- face recognition
- facial images
- computer graphics
- detection algorithm
- high level
- activity recognition
- image content
- object tracking
- mean shift
- feature extraction