Extended Sparse Nonnegative Matrix Factorization.
Kurt StadlthannerFabian J. TheisCarlos García PuntonetElmar Wolfgang LangPublished in: IWANN (2005)
Keyphrases
- nonnegative matrix factorization
- sparsity constraints
- negative matrix factorization
- probabilistic latent semantic indexing
- data representation
- matrix factorization
- least squares
- sparse representation
- nonnegative matrix
- spectral clustering
- active set
- high dimensional
- document clustering
- objective function
- information retrieval systems
- principal component analysis
- data sets
- pattern recognition
- missing data
- dictionary learning
- natural language processing
- image features
- image processing