A descent spectral conjugate gradient method for impulse noise removal.
Gaohang YuJinhong HuangYi ZhouPublished in: Appl. Math. Lett. (2010)
Keyphrases
- conjugate gradient method
- impulse noise removal
- anisotropic diffusion
- conjugate gradient
- objective function
- image deblurring
- convergence property
- positive definite
- impulsive noise
- iterative methods
- total variation
- impulse noise
- color images
- edge detection
- kernel function
- image data
- median filter
- cost function
- multiscale