Keyphrases
- principal component analysis
- principal components
- fourier transform
- principal components analysis
- principle component analysis
- dimensionality reduction
- face recognition
- independent component analysis
- frequency domain
- appearance based object recognition
- fourier spectrum
- image reconstruction
- feature extraction
- covariance matrix
- high dimensional
- radon transform
- negative matrix factorization
- feature space
- linear discriminant analysis
- dimension reduction
- shift invariant
- fourier domain
- feature selection
- linear subspace
- multiresolution
- series expansion