A fast approach for overcomplete sparse decomposition based on smoothed L0 norm
G. Hosein MohimaniMassoud Babaie-ZadehChristian JuttenPublished in: CoRR (2008)
Keyphrases
- sparse representation
- sparse coding
- regularized least squares
- low rank matrices
- tensor decomposition
- norm regularization
- norm minimization
- dictionary learning
- linear combination
- robust principal component analysis
- sparse learning
- mixed norm
- sparse data
- compressive sensing
- compressed sensing
- image classification
- high dimensional
- decomposition algorithm
- group lasso
- compressive sampling
- decomposition method
- image decomposition
- sparse matrix
- random projections
- low rank
- generative model
- signal processing
- face recognition
- neural network
- wavelet packet
- structured sparsity
- natural images