Regularized Orthogonal Nonnegative Matrix Factorization and K-means Clustering.
Pascal FernselPeter MaassPublished in: CoRR (2021)
Keyphrases
- nonnegative matrix factorization
- spectral clustering
- least squares
- sparsity constraints
- probabilistic latent semantic indexing
- data representation
- matrix factorization
- negative matrix factorization
- active set
- nonnegative matrix
- principal component analysis
- data clustering
- clustering algorithm
- k means
- document clustering
- objective function
- clustering method
- pairwise
- image sequences
- relational databases
- feature space
- factor matrices