Automatic factorization of biological signals by using Boltzmann non-negative matrix factorization.
Kenji WatanabeAkinori HidakaTakio KuritaPublished in: IJCNN (2008)
Keyphrases
- negative matrix factorization
- matrix factorization
- tensor factorization
- blind source separation
- factorization method
- nonnegative matrix factorization
- sparse representation
- document clustering
- principal component analysis
- signal processing
- constrained least squares
- collaborative filtering
- low rank
- missing data
- probabilistic latent semantic analysis
- recommender systems
- sparsity constraints
- generative model
- dimensionality reduction
- supervised learning
- pattern recognition