Efficient Sparse Coding in Early Sensory Processing: Lessons from Signal Recovery.
András LörinczZsolt PalotaiGábor SzirtesPublished in: PLoS Comput. Biol. (2012)
Keyphrases
- multiscale
- sparse coding
- natural images
- image representation
- dictionary learning
- signal recovery
- sparse representation
- compressed sensing
- linear combination
- image patches
- image classification
- unsupervised learning
- generative model
- high dimensional
- bag of words
- visual words
- input image
- feature space
- computer vision
- machine learning