Modified subspace Barzilai-Borwein gradient method for non-negative matrix factorization.
Hongwei LiuXiangli LiPublished in: Comput. Optim. Appl. (2013)
Keyphrases
- gradient method
- negative matrix factorization
- principal component analysis
- matrix factorization
- sparse representation
- low dimensional
- blind source separation
- dimensionality reduction
- subspace learning
- document clustering
- feature extraction
- face recognition
- spectral clustering
- collaborative filtering
- feature selection
- optimization methods
- high dimensional data
- feature space
- convergence rate
- knowledge base
- data sets
- information retrieval systems
- machine learning
- neural network