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Diagonal Scalings of the Laplacian as Preconditioners for Other Elliptic Differential Operators.
Anne Greenbaum
Published in:
SIAM J. Matrix Anal. Appl. (1992)
Keyphrases
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differential operators
partial differential equations
boundary value problem
edge preserving
vector field
anisotropic diffusion
multiscale
multiple scales
image restoration
covariance matrix
image denoising
image processing
zero crossing
diffusion tensor
feature detectors
level set
gaussian derivatives
image enhancement
higher order
image segmentation