Keyphrases
- facial expressions
- recognition algorithm
- metric learning
- facial expression recognition
- distance metric
- human faces
- video sequences
- face images
- facial images
- facial features
- face recognition
- pairwise
- semi supervised
- multi task
- iris recognition
- distance function
- learning tasks
- dimensionality reduction
- pattern recognition
- face databases
- machine learning
- human identification
- recognition rate
- user interface
- three dimensional