Feature selection using singular value decomposition and QR factorization with column pivoting for text-independent speaker identification.
Sandipan ChakrobortyGoutam SahaPublished in: Speech Commun. (2010)
Keyphrases
- singular value decomposition
- feature selection
- data matrix
- unsupervised feature selection
- dimensionality reduction
- dimension reduction
- low rank
- least squares
- singular values
- principal component analysis
- text categorization
- latent semantic indexing
- feature space
- measurement matrix
- feature set
- machine learning
- factorization method
- qr decomposition
- feature extraction
- text classification
- high dimensionality
- model selection
- support vector
- null space
- singular vectors
- high dimensional data
- subspace learning
- gene expression data
- support vector machine
- high dimensional
- computer vision
- information retrieval