Nonparametric sparse hierarchical models describe V1 fMRI responses to natural images.
Pradeep RavikumarVincent Q. VuBin YuThomas NaselarisKendrick N. KayJack L. GallantPublished in: NIPS (2008)
Keyphrases
- natural images
- hierarchical models
- sparse coding
- compressed sensing
- hierarchical model
- natural scenes
- hierarchical structures
- image denoising
- multiscale
- higher order
- object recognition
- image patches
- denoising
- input image
- deep belief networks
- learning algorithm
- sparse representation
- high dimensional
- receptive fields
- generative model
- visual cortex
- image statistics
- human body
- natural image statistics
- image processing
- natural image patches
- hierarchical structure
- gaussian process
- maximum likelihood
- image classification
- pairwise
- computer vision