-Norm Invariant Convex k-Sparse Decomposition of Signals
Guangwu XuZhiqiang XuPublished in: CoRR (2013)
Keyphrases
- convex functions
- convex optimization
- strictly convex
- norm regularization
- low rank matrices
- sparsity inducing
- signal processing
- shape decomposition
- signal reconstruction
- tensor decomposition
- quasiconvex
- regularized least squares
- sparse representation
- mixed norm
- robust principal component analysis
- sparse data
- objective function
- haar transform
- decomposition method
- structured sparsity
- group lasso
- variable selection
- norm minimization
- multiple kernel learning
- convex sets
- sparse regression
- affine invariant
- affine transformation
- independent component analysis
- convex hull
- minimize a cost function