An inverse spectral problem for a fourth-order Sturm-Liouville operator based on trace formulae.

Xiaoying Jiang Xiang Xu

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

Keyphrases

fourth order
noise removal
high order
partial differential equations
image interpolation
nonlinear diffusion
gaussian derivatives
anisotropic diffusion
estimation error
edge preservation
edge detection
numerical algorithms
image enhancement
image restoration
higher order
image processing
computer vision