On Identifiability of Nonnegative Matrix Factorization.
Xiao FuKejun HuangNicholas D. SidiropoulosPublished in: IEEE Signal Process. Lett. (2018)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- data representation
- matrix factorization
- nonnegative matrix
- least squares
- active set
- principal component analysis
- sparsity constraints
- spectral clustering
- objective function
- factor matrices
- data mining
- original data
- document clustering
- sparse representation
- collaborative filtering
- recommender systems
- pairwise
- pattern recognition
- image sequences