Nonnegative Matrix Factorization for Time Series Recovery From a Few Temporal Aggregates.
Jiali MeiYohann de CastroYannig GoudeGeorges HébrailPublished in: ICML (2017)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- temporal data
- temporal patterns
- negative matrix factorization
- data representation
- nonnegative matrix
- least squares
- active set
- principal component analysis
- spectral clustering
- document clustering
- original data
- objective function
- image segmentation
- sparsity constraints
- pattern recognition