A Fenchel dual gradient method enabling regularization for nonsmooth distributed optimization over time-varying networks.
Xuyang WuKin Cheong SouJie LuPublished in: Optim. Methods Softw. (2023)
Keyphrases
- gradient method
- derivative free
- image restoration and reconstruction
- optimization methods
- convex formulation
- convergence rate
- step size
- optimization method
- global optimization
- optimization problems
- markov random field
- optimization algorithm
- negative matrix factorization
- multiscale
- constrained optimization
- primal dual
- reproducing kernel hilbert space