Local stability and robustness of sparse dictionary learning in the presence of noise
Rodolphe JenattonRémi GribonvalFrancis R. BachPublished in: CoRR (2012)
Keyphrases
- dictionary learning
- image transformations
- sparse representation
- sparse coding
- group sparsity
- image super resolution
- sparse codes
- object category recognition
- sparsity constraints
- linear combination
- image patches
- dictionary learning for sparse
- missing data
- compressive sensing
- natural images
- signal recovery
- image representation
- image classification
- signal processing
- feature space
- image processing
- discriminative dictionary
- machine learning