Unsupervised learning of nonlinear dependencies in natural images.
Hyun-Jin ParkTe-Won LeePublished in: Int. J. Imaging Syst. Technol. (2005)
Keyphrases
- natural images
- unsupervised learning
- object recognition
- natural scenes
- sparse coding
- multiscale
- higher order
- denoising
- linear filters
- input image
- image denoising
- supervised learning
- receptive fields
- semi supervised
- power spectrum
- image patches
- visual cortex
- image statistics
- prior models
- scale invariant
- statistics of natural images
- natural image patches
- dimensionality reduction
- saliency map
- compressed sensing
- feature selection
- expectation maximization
- high dimensional
- reinforcement learning
- image processing
- computer vision