Nonnegative Matrix Factorization of Laboratory Astrophysical Ice Mixtures.
Jorge IgualRaul LlinaresPublished in: IEEE J. Sel. Top. Signal Process. (2008)
Keyphrases
- nonnegative matrix factorization
- source separation
- negative matrix factorization
- blind source separation
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- active set
- principal component analysis
- independent component analysis
- nonnegative matrix
- least squares
- document clustering
- spectral clustering
- sparse representation
- data clustering
- sparsity constraints
- face recognition
- data mining