Keyphrases
- low rank approximation
- low rank matrix approximation
- singular value decomposition
- low rank
- subspace learning
- spectral clustering
- kernel matrix
- latent semantic indexing
- iterative algorithms
- adjacency matrix
- nonnegative matrix factorization
- reconstruction error
- dimensionality reduction
- least squares
- data dependent
- correlation coefficient
- eigendecomposition
- frequency domain