Diagonalization-based preconditioners and generalized convergence bounds for ParaOpt.
Arne BouillonGiovanni SamaeyKarl MeerbergenPublished in: CoRR (2023)
Keyphrases
- rates of convergence
- finite sample
- proximal point
- upper bound
- lower bound
- image restoration
- tight bounds
- number of iterations required
- convergence speed
- edge preserving
- error bounds
- uniform convergence
- upper and lower bounds
- global convergence
- faster convergence
- iterative algorithms
- neural network
- support vector
- video sequences