Minimum variance estimation for the sparse signal in noise model.
Sebastian SchmutzhardAlexander JungFranz HlawatschPublished in: ISIT (2011)
Keyphrases
- noise model
- minimum variance
- signal dependent noise
- spectral estimation
- sparse approximation
- noise level
- noisy images
- gaussian distribution
- estimation error
- gaussian noise
- signal processing
- optimization procedure
- high dimensional
- frequency domain
- non stationary
- parameter space
- portfolio optimization
- error rate
- hidden markov models