Beyond ℓ1 sparse coding in V1.
Ilias RentzeperisLuca CalatroniLaurent U. PerrinetDario PrandiPublished in: PLoS Comput. Biol. (2023)
Keyphrases
- sparse coding
- natural images
- sparse representation
- dictionary learning
- image classification
- linear combination
- discriminative power
- image representation
- generative model
- unsupervised learning
- sparse codes
- group sparsity
- visual words
- feature space
- single image super resolution
- object category recognition
- person re identification
- image patches
- bag of words
- multiscale
- pairwise
- sparsity constraints
- object recognition
- computer vision
- learning algorithm