Matrix Optimization Problem Involving Group Sparsity and Nonnegativity Constraints.
Xi ZhangXinrong LiChao ZhangPublished in: J. Optim. Theory Appl. (2024)
Keyphrases
- group sparsity
- constrained optimization
- low rank
- structured sparsity
- optimization problems
- sparse coding
- dictionary learning
- least squares
- singular value decomposition
- compressive sensing
- evolutionary algorithm
- linear combination
- image restoration
- high dimensional
- optimization methods
- signal processing
- discriminative power
- iterative algorithms
- small number