Layered nonnegative matrix factorization for speech separation.
Chung-Chien HsuJen-Tzung ChienTai-Shih ChiPublished in: INTERSPEECH (2015)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- active set
- data representation
- nonnegative matrix
- spectral clustering
- principal component analysis
- least squares
- document clustering
- original data
- data sets
- sparsity constraints
- objective function
- recommender systems
- image retrieval
- high dimensional
- factor matrices
- image processing