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An Edge Multiscale Interior Penalty Discontinuous Galerkin method for heterogeneous Helmholtz problems with large varying wavenumber.
Shubin Fu
Eric T. Chung
Guanglian Li
Published in:
J. Comput. Phys. (2021)
Keyphrases
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multiscale
edge detection
computational cost
significant improvement
dynamic programming
similarity measure
detection method
cost function
high accuracy
objective function
preprocessing
support vector machine
clustering method
neural network
segmentation method
combinatorial optimization
numerical methods