Graph-Based Multilevel Dimensionality Reduction with Applications to Eigenfaces and Latent Semantic Indexing.
Sophia SakellaridiHaw-ren FangYousef SaadPublished in: ICMLA (2008)
Keyphrases
- latent semantic indexing
- dimensionality reduction
- singular value decomposition
- semi supervised dimensionality reduction
- principal component analysis
- text retrieval
- semi supervised
- face recognition
- vector space
- low dimensional
- information retrieval
- pattern recognition
- feature extraction
- high dimensional data
- high dimensional
- manifold learning
- subspace learning
- data points
- data representation
- document representation
- feature selection
- feature space
- vector space model
- latent semantic space
- sparse representation
- document collections
- graph embedding
- image processing