Blind Additive Gaussian White Noise Level Estimation from a Single Image by Employing Chi-Square Distribution.
Zhicheng WangQing AnZifan ZhuHao FangZhenghua HuangPublished in: Entropy (2022)
Keyphrases
- single image
- noise level
- chi square
- gaussian noise
- noisy images
- confidence intervals
- logistic regression
- probability density
- kl divergence
- information gain
- gaussian distribution
- noise reduction
- mutual information
- light source
- super resolution
- hyperparameters
- correlation coefficient
- marginal distributions
- probability distribution
- random variables
- error rate
- estimation algorithm
- feature selection
- gaussian mixture model
- density estimation
- maximum likelihood
- denoising
- wavelet transform
- blur kernel
- image denoising
- text categorization
- multiresolution
- feature space