Keyphrases
- principal component analysis
- principal components analysis
- independent component analysis
- dimensionality reduction
- principle component analysis
- principal components
- covariance matrix
- kernel pca
- feature extraction
- face images
- information retrieval
- dimension reduction
- line segments
- high dimensional
- information systems
- database
- linear discriminant analysis
- semi supervised
- clustering algorithm
- learning algorithm
- appearance based object recognition