On a fourth-order nonlinear Helmholtz equation.
Denis BonheureJean-Baptiste CasterasRainer MandelPublished in: J. Lond. Math. Soc. (2019)
Keyphrases
- fourth order
- nonlinear diffusion
- high order
- noise removal
- partial differential equations
- anisotropic diffusion
- diffusion equation
- image interpolation
- higher order
- scale spaces
- image denoising
- denoising
- image enhancement
- edge preservation
- numerical algorithms
- nonlinear equations
- edge detection
- edge preserving
- scale space
- noise reduction
- error rate
- level set
- image features
- cost function
- image analysis