Keyphrases
- principal component analysis
- principal components analysis
- dimensionality reduction
- principal components
- feature extraction
- independent component analysis
- appearance based object recognition
- covariance matrix
- dimension reduction
- dimension reduction methods
- principle component analysis
- face recognition
- feature space
- lower dimensional
- data sets
- smart grid
- face images
- face databases
- high dimensional
- negative matrix factorization
- random projections
- smart environments
- pattern recognition
- support vector
- real time
- kernel pca
- gabor features
- kernel principal component analysis
- linear discriminant analysis
- social networks
- reduced dimensionality