Convex relaxations of penalties for sparse correlated variables with bounded total variation.
Eugene BelilovskyAndreas ArgyriouGaël VaroquauxMatthew B. BlaschkoPublished in: Mach. Learn. (2015)
Keyphrases
- total variation
- convex optimization
- convex relaxation
- image restoration
- image denoising
- denoising
- minimization problems
- regularization methods
- regularization term
- image processing
- variable selection
- low rank
- group lasso
- efficient optimization
- sparsity inducing
- globally optimal
- multi label
- structured sparsity
- optimization methods
- dynamic programming
- high quality
- genetic algorithm