Sparse Code Shrinkage: Denoising by Nonlinear Maximum Likelihood Estimation.
Aapo HyvärinenPatrik O. HoyerErkki OjaPublished in: NIPS (1998)
Keyphrases
- maximum likelihood estimation
- denoising
- image denoising
- basis pursuit
- nonlinear diffusion
- maximum likelihood
- wavelet domain
- em algorithm
- noisy images
- soft thresholding
- natural images
- total variation
- wavelet shrinkage
- parameter estimation
- image processing
- expectation maximization
- probability distribution
- noise removal
- mixture of gaussians
- multivariate gaussian
- boltzmann machine
- denoising algorithm
- gaussian noise
- sparse representation
- additive gaussian noise
- translation invariant
- mixture model
- density function
- partial differential equations
- wavelet transform
- high dimensional