Random Projections for the Nonnegative Least-Squares Problem
Christos BoutsidisPetros DrineasPublished in: CoRR (2008)
Keyphrases
- random projections
- least squares
- nonnegative matrix factorization
- dimensionality reduction
- compressed sensing
- dimension reduction
- compressive sensing
- original data
- sparse representation
- random sampling
- singular value decomposition
- image reconstruction
- optical flow
- low dimensional
- principal component analysis
- neural network
- high dimensionality
- document clustering
- pattern recognition
- hash functions
- objective function
- feature extraction
- data sets
- video sequences