Principal component analysis using QR decomposition.
Alok SharmaKuldip K. PaliwalSeiya ImotoSatoru MiyanoPublished in: Int. J. Mach. Learn. Cybern. (2013)
Keyphrases
- qr decomposition
- principal component analysis
- dimension reduction
- linear discriminant analysis
- singular value decomposition
- discriminant analysis
- dimensionality reduction
- face recognition
- feature extraction
- principal components
- feature space
- low dimensional
- small sample size
- decomposition method
- covariance matrix
- independent component analysis
- scatter matrices
- face images
- random projections
- singular values
- preprocessing
- neural network
- support vector machine svm
- unsupervised learning
- discriminative information
- principle component analysis
- null space
- data analysis
- feature selection