Localized Key Finding from Audio Using Nonnegative Matrix Factorization for Segmentation.
Özgür IzmirliPublished in: ISMIR (2007)
Keyphrases
- nonnegative matrix factorization
- matrix factorization
- probabilistic latent semantic indexing
- data representation
- negative matrix factorization
- image segmentation
- spectral clustering
- active set
- least squares
- multiscale
- nonnegative matrix
- signal processing
- multimedia
- information extraction
- document clustering
- text documents
- low dimensional
- low rank
- image features
- natural language
- keywords