Does an instructor's facial expressions override their body gestures in video lectures?
Zhongling PiWei LiuHongjuan LingXingyu ZhangXiying LiPublished in: Comput. Educ. (2023)
Keyphrases
- facial expressions
- video sequences
- eye contact
- facial expression recognition
- facial actions
- human faces
- head movements
- face images
- facial features
- face recognition
- expression recognition
- facial images
- video frames
- body parts
- head motion
- video data
- space time
- human body
- dynamic scenes
- temporal coherence
- hidden markov models
- human emotion
- real time
- human motion
- expression classification
- recognition of facial expressions
- gesture recognition
- spatial and temporal
- gaze direction
- facial action units