Analyzing Non-Negative Matrix Factorization for Image Classification.
David GuillametBernt SchieleJordi VitriàPublished in: ICPR (2) (2002)
Keyphrases
- negative matrix factorization
- image classification
- sparse representation
- nonnegative matrix factorization
- matrix factorization
- principal component analysis
- feature extraction
- document clustering
- image representation
- constrained least squares
- bag of words
- image features
- spectral clustering
- sparse coding
- sparsity constraints
- tensor factorization
- pattern recognition
- face recognition
- least squares
- nearest neighbor
- knowledge representation
- knowledge base
- artificial intelligence
- update rule
- machine learning