Solving NMF with smoothness and sparsity constraints using PALM.
Raimon FabregatNelly PustelnikPaulo GonçalvesPierre BorgnatPublished in: CoRR (2019)
Keyphrases
- sparsity constraints
- negative matrix factorization
- nonnegative matrix factorization
- sparse representation
- low rank
- dictionary learning
- matrix factorization
- principal component analysis
- sparse coding
- document clustering
- data sets
- least squares
- computer vision
- linear combination
- higher order
- global constraints
- recommender systems
- objective function