A new perspective on principal component analysis using inverse covariance.
Tauseef GulrezAbdullah Al-OdienatPublished in: Int. Arab J. Inf. Technol. (2015)
Keyphrases
- principal component analysis
- covariance matrix
- correlation matrix
- principal components
- covariance matrices
- singular value decomposition
- independent component analysis
- dimensionality reduction
- face recognition
- low dimensional
- dimension reduction
- linear discriminant analysis
- lower dimensional
- feature space
- feature extraction
- face images
- random projections
- discriminant analysis
- pattern recognition
- discriminant information
- information retrieval
- signal processing
- pairwise
- case study