A Spectral Analysis of Subspace Enhanced Preconditioners.
Tao ZhaoPublished in: J. Sci. Comput. (2016)
Keyphrases
- spectral analysis
- spectral methods
- spectral features
- image restoration
- principal component analysis
- low dimensional
- autoregressive
- heart rate variability
- speech signal
- iterative methods
- subspace clustering
- filter bank
- graph laplacian
- linear systems
- model selection
- dimensionality reduction
- high dimensional
- feature space
- image segmentation
- high dimensional data
- signal processing
- feature extraction