Keyphrases
- natural images
- higher order
- natural scenes
- power spectrum
- image denoising
- high order
- pairwise
- sparse coding
- image patches
- markov random field
- multiscale
- test images
- scale invariant
- conditional random fields
- object recognition
- receptive fields
- image statistics
- image processing
- natural textures
- statistics of natural images
- multiresolution
- feature vectors
- visual patterns
- compressed sensing
- prior models