Enhanced Sparsity by Non-Separable Regularization.
Ivan W. SelesnickIlker BayramPublished in: IEEE Trans. Signal Process. (2016)
Keyphrases
- mixed norm
- sparse approximation
- sparse representation
- multi class
- sparsity inducing
- image reconstruction
- data sparsity
- empirical risk minimization
- high dimensional
- regularization parameter
- regularization term
- parameter selection
- linearly separable
- regularization methods
- group lasso
- solution path
- model selection
- sparsity constraints
- structured sparsity
- collaborative filtering