Nonnegative sparse locality preserving hashing.
Cong LiuHefei LingFuhao ZouMudar SaremLingyu YanPublished in: Inf. Sci. (2014)
Keyphrases
- locality preserving
- hash functions
- locality sensitive hashing
- random projections
- manifold learning
- high dimensional
- similarity search
- nearest neighbor search
- dimensionality reduction
- sparse representation
- latent semantic indexing
- data structure
- nearest neighbor
- knn
- locality preserving projections
- data representation
- least squares
- face recognition
- basis functions
- sparse coding
- metric space
- semi supervised learning
- dictionary learning
- data points
- binary codes
- query processing
- embedding space