Keyphrases
- multi class
- classification models
- feature selection
- feature extraction
- facial expressions
- face recognition
- facial muscles
- feature set
- face images
- support vector machine
- training data
- multi class classification
- object detection
- pairwise
- feature subset
- binary classification
- cost sensitive
- classification accuracy
- multiple classes
- probability estimates
- decision trees
- learning models
- text classification
- feature space
- multi class classifier
- facial features
- feature vectors
- neural network
- image processing
- text categorization
- high dimensionality
- error correcting output codes
- simulated annealing
- image classification
- dimensionality reduction
- pattern recognition
- generative model
- genetic programming
- binary classifiers
- feature ranking
- principal component analysis
- bayes classifiers
- genetic algorithm
- machine learning