Fourth-order iterative methods free from second derivative.
Jisheng KouYitian LiXiuhua WangPublished in: Appl. Math. Comput. (2007)
Keyphrases
- fourth order
- iterative methods
- noise removal
- high order
- image interpolation
- partial differential equations
- image reconstruction from projections
- computationally expensive
- constrained optimization
- nonlinear diffusion
- anisotropic diffusion
- neural network
- estimation error
- higher order
- denoising
- multiscale
- step size
- diffusion equation
- noise reduction
- image enhancement
- objective function
- image processing