Fast noise variance estimation by principal component analysis.
Stanislav PyatykhLei ZhengJürgen HesserPublished in: Image Processing: Algorithms and Systems (2013)
Keyphrases
- noise variance
- principal component analysis
- generalized cross validation
- noisy images
- regularization parameter
- principal components
- correlation coefficient
- noise level
- dimensionality reduction
- covariance matrix
- gaussian noise
- wiener filter
- face recognition
- feature space
- feature extraction
- image noise
- image restoration
- image processing
- image sequences