Nonnegative Matrix Factorization on Orthogonal Subspace.
Zhao LiXindong WuHong PengPublished in: Pattern Recognit. Lett. (2010)
Keyphrases
- nonnegative matrix factorization
- basis vectors
- principal component analysis
- negative matrix factorization
- probabilistic latent semantic indexing
- data representation
- matrix factorization
- nonnegative matrix
- active set
- low dimensional
- spectral clustering
- dimensionality reduction
- least squares
- sparsity constraints
- feature space
- high dimensional data
- document clustering
- data matrix
- search engine
- original data
- high dimensional
- relational databases
- image processing
- face recognition
- objective function
- support vector
- image features
- semi supervised
- nearest neighbor