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A dispersion minimizing finite difference scheme and preconditioned solver for the 3D Helmholtz equation.
Zhongying Chen
Dongsheng Cheng
Tingting Wu
Published in:
J. Comput. Phys. (2012)
Keyphrases
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finite difference
numerical scheme
hamilton jacobi
semi implicit
finite element
numerical solution
partial differential equations
numerical analysis
level set
image processing
eikonal equation
image enhancement
differential equations
computer vision
multiscale
image segmentation
signed distance function