Worst-case evaluation complexity of regularization methods for smooth unconstrained optimization using Hölder continuous gradients.
Coralia CartisNicholas I. M. GouldPhilippe L. TointPublished in: Optim. Methods Softw. (2017)
Keyphrases
- worst case
- regularization methods
- unconstrained optimization
- upper bound
- constrained optimization
- np hard
- lower bound
- computational complexity
- edge preserving
- regularization method
- optimization methods
- search methods
- trust region
- regularization parameter
- inverse problems
- evolutionary algorithm
- sample size
- total variation
- penalty function
- structure tensor