Existence and uniqueness of positive solutions for fourth-order nonlinear singular continuous and discrete boundary value problems.
Chengjun YuanDaqing JiangDonal O'ReganPublished in: Appl. Math. Comput. (2008)
Keyphrases
- boundary value problem
- partial differential equations
- fixed point theorem
- fourth order
- differential equations
- anisotropic diffusion
- numerical solution
- continuous functions
- boundary conditions
- level set
- image denoising
- image processing
- diffusion equation
- noise removal
- nonlinear diffusion
- high order
- image enhancement
- multiscale
- variational inequalities
- numerical methods
- natural images
- sufficient conditions
- computer vision
- finite number
- translation invariant
- multiresolution
- finite element method
- objective function