Unsupervised EEG channel selection based on nonnegative matrix factorization.
Lingfeng XuMaria Elena Chavez EcheagarayVisar BerishaPublished in: Biomed. Signal Process. Control. (2022)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- nonnegative matrix
- negative matrix factorization
- least squares
- unsupervised feature selection
- active set
- semi supervised
- data representation
- spectral clustering
- unsupervised learning
- document clustering
- principal component analysis
- sparsity constraints
- factor matrices
- original data
- data sets
- supervised learning
- high dimensional
- pattern recognition
- objective function
- training data