Maximum likelihood estimation under partial sparsity constraints.
Tirza RouttenbergYonina C. EldarLang TongPublished in: ICASSP (2013)
Keyphrases
- maximum likelihood estimation
- sparsity constraints
- maximum likelihood
- em algorithm
- parameter estimation
- negative matrix factorization
- sparse representation
- expectation maximization
- low rank
- dictionary learning
- sparse coding
- probability distribution
- nonnegative matrix factorization
- global constraints
- missing data
- density function
- higher order