Two-level adaptive denoising using Gaussian scale mixtures in overcomplete oriented pyramids.
Jose A. Guerrero-ColonJavier PortillaPublished in: ICIP (1) (2005)
Keyphrases
- denoising
- spatially adaptive
- natural images
- gaussian noise
- image denoising
- gaussian mixture
- noisy images
- image processing
- gaussian filter
- noise suppression
- source separation
- gaussian white noise
- denoising algorithm
- linear combination
- scale invariant
- scale space
- multiresolution
- mixture distribution
- wavelet packet
- gaussian mixture model
- mixture model
- noise removal
- sparse coding
- heavy tailed
- denoising methods
- wavelet domain
- sparse representation
- expectation maximization
- gaussian density