Achieving Bayes MMSE performance in the sparse signal + Gaussian white noise model when the noise level is unknown.
David L. DonohoGalen ReevesPublished in: ISIT (2013)
Keyphrases
- noise level
- noise model
- noise variance
- gaussian noise
- signal dependent noise
- noisy images
- sparse approximation
- denoising algorithm
- additive gaussian noise
- noise reduction
- hyperparameters
- noise removal
- impulse noise
- denoising
- additive noise
- error rate
- edge detection
- signal processing
- maximum likelihood
- high dimensional
- multiscale
- multiplicative noise
- image denoising
- higher order
- genetic algorithm