Characterizing the high-level content of natural images using lexical basis functions.
John A. Black Jr.Kanav KaholPrem KuchiGamal FahmySethuraman PanchanathanPublished in: Human Vision and Electronic Imaging (2003)
Keyphrases
- natural images
- basis functions
- high level
- linear combination
- natural scenes
- multiscale
- higher order
- denoising
- image denoising
- low level
- input image
- sparse coding
- image patches
- object recognition
- b spline
- radial basis function
- matching pursuit
- test images
- receptive fields
- state space
- statistics of natural images
- semantic information
- power spectrum
- natural image statistics
- scale space
- image statistics
- machine learning
- small number
- low level features
- image reconstruction
- context specific
- prior models