Keyphrases
- facial expressions
- gaze estimation
- head movements
- collaborative learning
- student engagement
- facial feature tracking
- head motion
- student learning
- learning theories
- learning outcomes
- facial expression recognition
- facial features
- human faces
- video sequences
- face images
- eye tracking
- linear predictors
- facial images
- face recognition
- single camera
- computer supported collaborative learning
- machine learning
- location information
- face model
- video games
- learning process
- artificial intelligence
- video camera
- eye tracker
- lighting conditions
- software engineering