Keyphrases
- feature selection
- facial expressions
- landmark detection
- feature selection algorithms
- facial images
- genetic algorithm
- face recognition
- evolutionary computation
- data mining
- classification accuracy
- text categorization
- high dimensionality
- human faces
- mutual information
- dimensionality reduction
- support vector
- irrelevant features
- text classification
- model selection
- feature extraction
- multi class
- feature space
- feature weighting
- evolutionary optimization
- facial expression recognition
- information gain
- machine learning
- support vector machine
- face images
- feature set
- unsupervised learning
- expression classification
- method for feature selection
- forward selection
- small sample
- selected features
- multi task
- feature subset
- facial features
- naive bayes
- data sets