Computing a Nonnegative Matrix Factorization - Provably.
Sanjeev AroraRong GeRavi KannanAnkur MoitraPublished in: SIAM J. Comput. (2016)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- data representation
- active set
- spectral clustering
- principal component analysis
- document clustering
- nonnegative matrix
- least squares
- pattern recognition
- clustering algorithm
- signal processing
- optical flow
- high dimensional
- objective function