LSALSA: efficient sparse coding in single and multiple dictionary settings.
Benjamin CowenApoorva Nandini SaridenaAnna ChoromanskaPublished in: CoRR (2018)
Keyphrases
- sparse coding
- sparse representation
- dictionary learning
- sparse codes
- natural images
- image classification
- unsupervised learning
- object category recognition
- generative model
- linear combination
- image patches
- group sparsity
- image representation
- discriminative dictionary
- face recognition
- single image super resolution
- visual words
- small number
- image features
- sparse representation based classification
- high quality