Nonnegative Matrix Factorization by optimization on the Stiefel manifold with SVD initialization.
Ali KoochakzadehSina MiranPouya SamangoueiMichael C. RotkowitzPublished in: Allerton (2016)
Keyphrases
- nonnegative matrix factorization
- matrix decomposition
- data matrix
- manifold regularization
- least squares
- euclidean space
- matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- data representation
- singular value decomposition
- principal component analysis
- nonnegative matrix
- spectral clustering
- sparsity constraints
- low rank approximation
- original data
- low dimensional
- low rank
- semi supervised
- computer vision