Sparse Coding on the Spot: Spontaneous Retinal Waves Suffice for Orientation Selectivity.
Jonathan J. HuntMichael R. IbbotsonGeoffrey J. GoodhillPublished in: Neural Comput. (2012)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- linear combination
- discriminative power
- generative model
- unsupervised learning
- image representation
- group sparsity
- person re identification
- single image super resolution
- sparse codes
- image patches
- feature space
- visual words
- object category recognition
- multiscale
- high dimensional
- object recognition
- data sets
- bag of words
- low dimensional
- denoising
- ground truth
- prior knowledge
- feature extraction