Nonnegative Matrix Factorization in Polynomial Feature Space.
Ioan BuciuNikos NikolaidisIoannis PitasPublished in: IEEE Trans. Neural Networks (2008)
Keyphrases
- support vector machine
- nonnegative matrix factorization
- feature space
- principal component analysis
- original data
- feature vectors
- kernel function
- negative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- active set
- feature selection
- least squares
- nonnegative matrix
- high dimensional
- training set
- data points
- image representation
- input data
- dimensionality reduction
- spectral clustering
- low dimensional
- machine learning
- document clustering
- image retrieval
- objective function
- text classification
- sparse coding
- data sets
- sparsity constraints
- data mining