Sparse nonnegative matrix factorization with ℓ0-constraints
Although nonnegative matrix factorization (NMF) favors a sparse and part-based representation of nonnegative data, there is no guarantee for this behavior. Several authors proposed NMF methods which enforce sparseness by constraining or penalizing the ℓ1-norm of the factor matrices. On the other han...
| Main Authors: | , |
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| Format: | Online |
| Language: | English |
| Published: |
Elsevier Science Publishers
2012
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3312776/ |