Keyphrases
- locality preserving projections
- subspace learning
- sparse representation
- dimensionality reduction
- face recognition
- manifold learning
- principal component analysis
- sparse coding
- feature selection
- linear discriminant analysis
- multiple kernel
- subspace methods
- least squares
- learning algorithm
- semi supervised
- high dimensional data
- low dimensional
- data representation
- pattern recognition
- dimension reduction
- model selection
- data sets
- unsupervised learning
- image patches
- metric learning
- image processing