Image selective smoothing and edge detection by nonlinear diffusion
SIAM Journal on Numerical Analysis
Solution of nonlinear diffusion appearing in image smoothing and edge detection
Applied Numerical Mathematics
International Journal of Computer Vision
Coherence-Enhancing Diffusion Filtering
International Journal of Computer Vision
Anisotropic smoothing of point sets
Computer Aided Geometric Design - Special issue: Geometric modelling and differential geometry
SIAM Journal on Numerical Analysis
Hi-index | 0.00 |
The paper deals with an error analysis of the semi-implicit diamond-cell finite volume scheme, introduced in [O. Drblikova, K. Mikula, Convergence analysis of finite volume scheme for nonlinear tensor anisotropic diffusion in image processing, SIAM J. Numer. Anal. 46 (1) (2007) 37-60], for solving the nonlinear tensor-driven anisotropic diffusion. First we present the finite volume scheme and its basic properties. Then the error estimate analysis is presented, where the piecewise constant approximation given by the finite volume scheme is compared with the weak solution to the problem. We proved that the error of the approximate solution in L^2-norm is of order h, where h is a spatial resolution step under the natural relation k~h^2, where k is a time discretization step. The numerical results devoted to image processing applications are also given.