Preconditioned iterative methods on sparse subspaces.
Kazufumi ItoJari ToivanenPublished in: Appl. Math. Lett. (2006)
Keyphrases
- iterative methods
- high dimensional
- image reconstruction from projections
- computationally expensive
- low rank representation
- low dimensional
- conjugate gradient method
- constrained optimization
- sparse representation
- iterative algorithms
- principal component analysis
- high dimensional data
- linear combination
- feature space
- neural network
- optimization algorithm
- basis vectors
- data points