A restrictive preconditioner for the system arising in half-quadratic regularized image restoration.

Peipei Zhao Yu-Mei Huang

Published in: Appl. Math. Lett. (2021)

Keyphrases

half quadratic
regularized image restoration
edge preserving
regularization parameter
image restoration
anisotropic diffusion
noise reduction
image recovery
total variation
edge preservation
image processing
least squares
data sets
cross validation
gaussian noise
primal dual
image deconvolution