An MDL framework for sparse coding and dictionary learning
Ignacio RamírezGuillermo SapiroPublished in: CoRR (2011)
Keyphrases
- dictionary learning
- sparse coding
- sparse representation
- natural images
- image classification
- linear combination
- symmetric positive definite matrices
- sparsity constraints
- image representation
- discriminative power
- single image super resolution
- sparse codes
- group sparsity
- unsupervised learning
- generative model
- object category recognition
- machine learning
- model selection
- face recognition
- sparse representation based classification
- computer vision