Multiplicative update for a class of constrained optimization problems related to NMF and its global convergence.
Norikazu TakahashiMasato SekiPublished in: EUSIPCO (2016)
Keyphrases
- constrained optimization problems
- global convergence
- constraint handling
- global optimum
- convergence speed
- convergence analysis
- convergence rate
- optimization methods
- augmented lagrangian
- constrained optimization
- evolutionary algorithm
- optimization problems
- differential evolution
- convex minimization
- penalty function
- negative matrix factorization
- line search
- update rule
- multiresolution
- nonnegative matrix factorization
- optimization method
- primal dual
- crossover operator
- image denoising
- fitness function
- globally convergent
- neural network