Sparse Coding of Natural Images Using an Overcomplete Set of Limited Capacity Units.
Eizaburo DoiMichael S. LewickiPublished in: NIPS (2004)
Keyphrases
- natural images
- sparse coding
- natural scenes
- higher order
- multiscale
- object recognition
- image patches
- image denoising
- sparse representation
- denoising
- limited capacity
- image statistics
- natural image statistics
- input image
- image classification
- receptive fields
- linear combination
- image representation
- test images
- unsupervised learning
- generative model
- face recognition
- statistics of natural images
- markov random field
- ground truth
- feature space
- feature extraction