Nonnegative Matrix Factorization Requires Irrationality.
Dmitry ChistikovStefan KieferInes MarusicMahsa ShirmohammadiJames WorrellPublished in: SIAM J. Appl. Algebra Geom. (2017)
Keyphrases
- nonnegative matrix factorization
- matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- data representation
- spectral clustering
- least squares
- nonnegative matrix
- active set
- sparsity constraints
- principal component analysis
- image processing
- document clustering
- original data
- missing data
- knowledge discovery
- object recognition
- image sequences
- image segmentation
- computer vision