Introducing a weighted non-negative matrix factorization for image classification.
David GuillametJordi VitriàBernt SchielePublished in: Pattern Recognit. Lett. (2003)
Keyphrases
- negative matrix factorization
- image classification
- sparse representation
- matrix factorization
- image representation
- nonnegative matrix factorization
- sparse coding
- constrained least squares
- principal component analysis
- bag of words
- document clustering
- feature extraction
- spectral clustering
- image features
- sparsity constraints
- tensor factorization
- image processing
- face recognition
- machine learning
- latent semantic space