Structured Convex Optimization Method for Orthogonal Nonnegative Matrix Factorization.
JunJun PanMichael K. NgXiongjun ZhangPublished in: ICPR (2018)
Keyphrases
- optimization method
- nonnegative matrix factorization
- optimization algorithm
- optimization methods
- negative matrix factorization
- matrix factorization
- data representation
- global optimum
- evolutionary algorithm
- simulated annealing
- nonlinear optimization
- genetic algorithm
- spectral clustering
- least squares
- metaheuristic
- differential evolution
- particle swarm
- nelder mead simplex
- convex optimization
- original data
- principal component analysis
- objective function
- document clustering
- search space
- image processing
- neural network