Using the genetic algorithm to enhance nonnegative matrix factorization initialization.
Masoumeh RezaeiReza BoostaniPublished in: Expert Syst. J. Knowl. Eng. (2014)
Keyphrases
- nonnegative matrix factorization
- genetic algorithm
- negative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- nonnegative matrix
- least squares
- active set
- spectral clustering
- principal component analysis
- neural network
- document clustering
- original data
- objective function
- signal processing
- pattern recognition
- sparsity constraints
- factor matrices