Keyphrases
- low rank approximation
- low rank matrix approximation
- singular value decomposition
- subspace learning
- low rank
- image compression
- compression algorithm
- reconstruction error
- kernel matrix
- spectral clustering
- compression ratio
- latent semantic indexing
- image quality
- nonnegative matrix factorization
- iterative algorithms
- matrix completion
- linear combination
- learning algorithm
- data dependent
- dimensionality reduction
- semi supervised