Sparse Approximate-Inverse Preconditioners Using Norm-Minimization Techniques.
Nicholas I. M. GouldJennifer A. ScottPublished in: SIAM J. Sci. Comput. (1998)
Keyphrases
- norm minimization
- sparse representation
- sparse coding
- low rank matrices
- convex optimization
- matrix completion
- unsupervised feature selection
- interior point methods
- image classification
- high dimensional
- natural images
- image restoration
- linear combination
- image representation
- face recognition
- dimensionality reduction
- least squares
- linear systems
- sparse matrix