Gain-robust multi-pitch tracking using sparse nonnegative matrix factorization.
Robert PeharzMichael WohlmayrFranz PernkopfPublished in: ICASSP (2011)
Keyphrases
- nonnegative matrix factorization
- sparsity constraints
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- data representation
- least squares
- nonnegative matrix
- pattern recognition
- sparse representation
- dictionary learning
- sparse coding
- information retrieval
- spectral clustering
- information extraction
- k means
- high dimensional
- image segmentation