On the existence of positive solutions of fourth-order difference equations.
Zhimin HeJianshe YuPublished in: Appl. Math. Comput. (2005)
Keyphrases
- fourth order
- partial differential equations
- difference equations
- noise removal
- anisotropic diffusion
- high order
- image denoising
- numerical solution
- image enhancement
- level set
- image processing
- image interpolation
- differential equations
- pattern recognition
- optimal solution
- higher order
- discrete data
- max min
- multiscale
- denoising