Supervised Dictionary Learning by a Variational Bayesian Group Sparse Nonnegative Matrix Factorization.
Ivan IvekPublished in: CoRR (2014)
Keyphrases
- dictionary learning
- nonnegative matrix factorization
- sparsity constraints
- sparse representation
- negative matrix factorization
- matrix factorization
- sparse coding
- data representation
- unsupervised learning
- least squares
- collaborative filtering
- image patches
- recommender systems
- semi supervised
- principal component analysis
- objective function
- supervised learning
- learning algorithm
- exponential family
- missing data
- data mining
- image representation
- signal processing
- face recognition
- data sets
- clustering method
- spectral clustering
- expectation maximization
- maximum likelihood
- factor analysis
- knowledge discovery
- high dimensional
- multiscale