Efficient Sum of Sparse Outer Products Dictionary Learning (SOUP-DIL).
Saiprasad RavishankarRaj Rao NadakuditiJeffrey A. FesslerPublished in: CoRR (2015)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- group sparsity
- dictionary learning for sparse
- object category recognition
- sparsity constraints
- signal processing
- structured sparsity
- sparse codes
- signal recovery
- unsupervised learning
- model selection
- natural images
- negative matrix factorization
- ground truth
- high dimensional
- data analysis
- reinforcement learning