Keyphrases
- expression recognition
- tree adjoining
- natural language processing
- facial expressions
- facial expression recognition
- linguistic analysis
- parse tree
- syntactic categories
- face detection
- context free grammars
- wordnet
- word sense disambiguation
- face identification
- face images
- natural language
- real time face tracking
- expression classification
- pose variations
- face recognition
- lip reading
- facial features
- recognizing facial expressions
- decision trees
- facial images
- data sets
- human faces
- human computer interaction
- video sequences
- computer vision