Noise Variance Estimation in Digital Images using Finite Differences Filter.
Janusz Pawel KowalskiGrzegorz MikolajczakJakub PeksinskiPublished in: TSP (2018)
Keyphrases
- noise variance
- digital images
- generalized cross validation
- noisy images
- wiener filter
- correlation coefficient
- regularization parameter
- image noise
- noise level
- minimum mean squared error
- gaussian noise
- image restoration
- estimation error
- noise reduction
- denoising
- computer vision
- additive noise
- impulse noise
- image denoising
- noise free
- noise removal
- edge detection
- higher order
- image segmentation