Task-driven dictionary learning in distributed online settings.
Alec KoppelGarrett WarnedEthan StumpPublished in: ACSSC (2015)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- group sparsity
- natural images
- image representation
- dictionary learning for sparse
- unsupervised learning
- neural network
- linear combination
- generative model
- maximum likelihood
- dimensionality reduction
- sparse codes
- nearest neighbor
- pairwise