Keyphrases
- feature extraction
- pattern recognition
- feature space
- principal component analysis
- machine learning
- principal components analysis
- svm classifier
- classification algorithm
- classification method
- support vector machine svm
- feature vectors
- dimension reduction
- classification scheme
- feature selection
- neural network
- decision rules
- rotational invariant
- support vector
- unsupervised learning
- dimensionality reduction
- machine learning algorithms
- classification accuracy
- covariance matrix
- classification process
- classification systems
- decision trees
- singular value decomposition
- data sets
- fisher linear discriminant
- highly discriminative
- feature reduction
- principle component analysis
- computer vision
- automatic classification
- pattern classification
- face recognition
- feature set
- preprocessing
- training set
- class labels
- benchmark datasets
- model selection