Spectral Signal Unmixing with Interior-Point Nonnegative Matrix Factorization.
Rafal ZdunekPublished in: ICANN (1) (2012)
Keyphrases
- nonnegative matrix factorization
- interior point
- active set
- matrix factorization
- data representation
- negative matrix factorization
- least squares
- spectral clustering
- signal processing
- principal component analysis
- document clustering
- original data
- machine learning
- sparse representation
- interior point methods
- pattern recognition
- objective function