Global optimization by random perturbation of the gradient method with a fixed parameter.
Marc PoguJosé Eduardo Souza de CursiPublished in: J. Glob. Optim. (1994)
Keyphrases
- global optimization
- gradient method
- convergence rate
- negative matrix factorization
- step size
- particle swarm optimization
- convex formulation
- pso algorithm
- optimization methods
- global solution
- constrained global optimization
- global search
- image segmentation
- image completion
- globally optimal
- information extraction
- objective function
- machine learning
- natural gradient learning
- imperialist competitive algorithm