Convergence of a Sparse Representations Algorithm Applicable to Real or Complex Data.
Jean-Jacques FuchsPublished in: J. Sel. Topics Signal Processing (2007)
Keyphrases
- complex data
- sparse representation
- iterative algorithms
- dictionary learning
- learning algorithm
- convergence rate
- expectation maximization
- negative matrix factorization
- data sets
- unsupervised learning
- input data
- feature vectors
- association rules
- objective function
- image processing
- feature selection
- sparse reconstruction