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Parallel preconditioners and multigrid solvers for stochastic polynomial chaos discretizations of the diffusion equation at the large scale.
Barry Lee
Published in:
Numer. Linear Algebra Appl. (2016)
Keyphrases
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diffusion equation
partial differential equations
anisotropic diffusion
boundary conditions
edge preserving
scale space
diffusion process
image enhancement
noise removal
scale spaces
multiscale
diffusion coefficient
image denoising
piecewise smooth
finite difference
nonlinear diffusion
image analysis
image processing
level set
multiresolution
filtering method
neural network
differential equations
sufficient conditions
edge detection
linear systems
edge map
image restoration
computer vision