Harmonics in Gaussian multiplicative and additive noise: Cramer-Rao bounds.
Guotong ZhouGeorgios B. GiannakisPublished in: IEEE Trans. Signal Process. (1995)
Keyphrases
- additive noise
- cramer rao
- lower bound
- maximum likelihood
- noise level
- noisy images
- parameter estimates
- error bounds
- fisher information
- spatial domain
- upper bound
- frequency domain
- image registration
- denoising
- parameter estimation
- exponential family
- gaussian distribution
- random variables
- em algorithm
- objective function
- image patches
- gaussian mixture model
- natural images
- expectation maximization
- generalized gaussian
- input image
- motion estimation