Non-negative Matrix Factorization under sparsity constraints to unmix in vivo spectrally resolved acquisitions.
Anne-Sophie MontcuquetLionel HervéFabrice NavarroJean-Marc DintenJérôme I. MarsPublished in: WHISPERS (2010)
Keyphrases
- negative matrix factorization
- sparsity constraints
- nonnegative matrix factorization
- matrix factorization
- sparse representation
- document clustering
- principal component analysis
- spectral clustering
- image processing
- collaborative filtering
- pairwise
- image segmentation
- co occurrence
- active learning
- natural language
- low rank
- pattern recognition
- search engine