Adaptive Wiener denoising using a Gaussian scale mixture model in the wavelet domain.
Vasily StrelaJavier PortillaMartin J. WainwrightEero P. SimoncelliPublished in: ICIP (2) (2001)
Keyphrases
- wavelet domain
- denoising
- mixture model
- gaussian mixture model
- gaussian noise
- image denoising
- wiener filter
- em algorithm
- gaussian mixture
- maximum likelihood
- noisy images
- generative model
- noise suppression
- shift invariant
- expectation maximization
- image processing
- probabilistic model
- gaussian model
- natural images
- generalized gaussian
- model selection
- denoising algorithm
- unsupervised learning
- wavelet denoising
- noise removal
- probability density function
- wavelet domain hidden markov tree
- gaussian densities
- frequency domain
- language model
- wavelet coefficients
- scale space
- spatial domain
- multiresolution
- nonlinear diffusion
- multiscale
- wavelet packet
- gaussian distribution
- hidden markov models
- denoising methods
- human visual system
- subband
- machine learning
- noise model
- supervised learning