Spectral gradient method for impulse noise removal.
Jinkui LiuShengjie LiPublished in: Optim. Lett. (2015)
Keyphrases
- gradient method
- impulse noise removal
- anisotropic diffusion
- convergence rate
- step size
- total variation
- optimization methods
- image deblurring
- negative matrix factorization
- impulse noise
- impulsive noise
- mumford shah
- image restoration
- multiresolution
- color images
- denoising
- dimensionality reduction
- convergence speed
- hyperspectral
- multiscale
- simulated annealing
- optimization problems
- partial differential equations
- image denoising
- edge preservation
- natural images