Generalized cross-correlation based noise robust abnormal acoustic event localization utilizing non-negative matrix factorization.
Sungkyu MoonSuwon ShonWooil KimDavid K. HanPublished in: AVSS (2014)
Keyphrases
- negative matrix factorization
- sparsity constraints
- matrix factorization
- source localization
- document clustering
- tensor factorization
- principal component analysis
- nonnegative matrix factorization
- constrained least squares
- sparse representation
- blind source separation
- missing data
- spectral clustering
- abnormal events
- projection based m estimator
- data sets
- supervised learning
- feature selection