{\ell}^1 minimization and greedy algorithms.
Rémi GribonvalMorten NielsenPublished in: Adv. Comput. Math. (2008)
Keyphrases
- greedy algorithms
- greedy algorithm
- regularization term
- norm minimization
- objective function
- knapsack problem
- convex optimization
- sparse representation
- search algorithm
- cost function
- efficient optimization
- real valued
- learning problems
- optimization problems
- database
- constrained minimization
- global minimization
- approximation ratio
- dynamic programming
- image segmentation
- image processing