On Detecting Target Acoustic Signals Based on Non-negative Matrix Factorization.
Yu Gwang JinNam Soo KimPublished in: IEICE Trans. Inf. Syst. (2010)
Keyphrases
- negative matrix factorization
- acoustic signals
- acoustic signal
- matrix factorization
- sparse representation
- document clustering
- nonnegative matrix factorization
- principal component analysis
- constrained least squares
- tensor factorization
- information retrieval
- spectral clustering
- low rank
- unsupervised learning
- collaborative filtering
- multiscale
- search engine
- data sets
- latent semantic space