Structured non-negative matrix factorization with sparsity patterns.
Hans LaurbergMikkel N. SchmidtMads Græsbøll ChristensenSøren Holdt JensenPublished in: ACSCC (2008)
Keyphrases
- negative matrix factorization
- sparse representation
- sparsity constraints
- tensor factorization
- matrix factorization
- nonnegative matrix factorization
- principal component analysis
- document clustering
- constrained least squares
- spectral clustering
- high dimensional
- signal processing
- real world
- image classification
- text mining
- data clustering
- sparse coding
- pattern recognition
- feature extraction
- image segmentation
- image processing