SlabLU: a two-level sparse direct solver for elliptic PDEs.

Anna Yesypenko Per-Gunnar Martinsson

Published in: Adv. Comput. Math. (2024)

Keyphrases

partial differential equations
high dimensional
image processing
boundary value problem
anisotropic diffusion
sparse data
numerical solution
level set
image denoising
sparse representation
image enhancement
computer vision
feature extraction
mathematical morphology
differential equations
energy functional