Keyphrases
- pseudo inverse
- low rank approximation
- learning algorithm
- reconstruction error
- singular value decomposition
- subspace learning
- covariance matrix
- least squares
- spectral clustering
- low rank
- kernel matrix
- training data
- adjacency matrix
- training examples
- active learning
- generalization ability
- learning tasks
- machine learning
- dimension reduction
- data dependent
- radial basis function
- data sets
- filter bank
- sparse representation
- subband
- image classification