New formulations and efficient algorithms for multichannel NMF.
Hiroshi SawadaHirokazu KameokaShoko ArakiNaonori UedaPublished in: WASPAA (2011)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- document clustering
- multi channel
- frequent sets
- principal component analysis
- sparse representation
- linear prediction
- matrix factorisation
- matrix factorization
- optimization methods
- data representation
- single channel
- data mining
- dimensionality reduction
- linear programming