Robust sparse embedding and reconstruction via dictionary learning.
Konstantinos SlavakisGeorgios B. GiannakisGeert LeusPublished in: CISS (2013)
Keyphrases
- dictionary learning
- sparse representation
- sparsity constraints
- sparse coding
- image super resolution
- single image super resolution
- compressed sensing
- graph embedding
- compressive sensing
- object category recognition
- group sparsity
- image classification
- sparse codes
- natural images
- linear combination
- sparse representation based classification
- signal recovery
- negative matrix factorization
- image patches
- data sets
- random projections
- vector space