Multilevel sparse grids collocation for linear partial differential equations, with tensor product smooth basis functions.
Yangzhang ZhaoQi ZhangJeremy LevesleyPublished in: Comput. Math. Appl. (2018)
Keyphrases
- basis functions
- partial differential equations
- tensor product
- b spline
- linear combination
- anisotropic diffusion
- level set
- curve fitting
- cubic spline
- image denoising
- numerical solution
- image processing
- multiscale
- image enhancement
- affine transformation
- piecewise constant
- high order
- energy functional
- curve evolution
- diffusion equation
- state space
- active contours
- high dimensional
- shape prior
- set of basis functions