The effect of approximate coarsest-level solves on the convergence of multigrid V-cycle methods.

Petr Vacek Erin Carson Kirk M. Soodhalter

Published in: CoRR (2023)

Keyphrases

computationally expensive
multiresolution
significant improvement
computational cost
multiscale
image analysis
denoising
sufficient conditions
empirical studies
higher level
quasi newton
feature selection
simple linear
machine learning methods
high resolution
image sequences
image processing