Gaussian noise parameter estimation based on multiple singular value decomposition and non-linear fitting.
Jinli QiLei SunKengpeng LiLingang WangPublished in: IET Image Process. (2022)
Keyphrases
- parameter estimation
- singular value decomposition
- least squares
- gaussian noise
- model fitting
- maximum likelihood
- markov random field
- model selection
- singular values
- denoising
- low rank
- em algorithm
- parameter estimation algorithm
- expectation maximization
- noisy images
- image restoration
- dimensionality reduction
- principal component analysis
- signal to noise ratio
- noise level
- hyperparameters
- optical flow