Measuring and Integrating Facial Expressions and Head Pose as Indicators of Engagement and Affect in Tutoring Systems.
Hao YuAnkit GuptaWilliam LeeIvon ArroyoMargrit BetkeDanielle AllesioTom MurrayJohn J. MageeBeverly Park WoolfPublished in: HCI (32) (2021)
Keyphrases
- tutoring system
- facial expressions
- head motion
- head movements
- face pose
- facial expression recognition
- head pose estimation
- affective states
- facial features
- face images
- human faces
- intelligent tutoring systems
- gaze direction
- face model
- facial actions
- face recognition
- recognize faces
- person independent
- video sequences
- facial animation
- facial appearance
- facial images
- gaze estimation
- frontal face
- eye tracking
- single camera
- illumination variations
- eye gaze
- facial feature points
- pose estimation
- learning environment
- frontal view
- authoring tool
- humanoid robot
- tracking accuracy
- feature extraction
- human computer interaction
- visual tracking
- emotional state
- metadata