Keyphrases
- feature extraction
- feature space
- image processing
- preprocessing
- image classification
- feature extractors
- extracted features
- extracting features
- principal component analysis
- multivariate data
- pattern classification
- support vector machine svm
- feature vectors
- face images
- dimensionality reduction
- discriminant analysis
- dimension reduction
- pattern recognition
- face recognition
- dependence structure
- mixed data
- feature fusion
- neural network
- texture classification
- texture analysis
- frequency domain
- knn
- hidden markov models
- machine learning