Keyphrases
- facial expressions
- convolutional neural network
- expression recognition
- recognition of facial expressions
- facial expression recognition
- face detection
- human faces
- face images
- face recognition
- facial images
- facial features
- facial expression analysis
- feature selection
- expression classification
- video sequences
- decision trees
- emotional state
- facial actions
- machine learning
- automatic facial expression recognition
- appearance model
- training set
- support vector
- three dimensional
- action units
- recognition rate
- user interface
- feature vectors
- feature space
- person independent