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A comparison of coarse spaces for Helmholtz problems in the high frequency regime.
Niall Bootland
Victorita Dolean
Pierre Jolivet
Pierre-Henri Tournier
Published in:
CoRR (2020)
Keyphrases
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high frequency
low frequency
visual quality
high resolution
high frequencies
multiresolution
wavelet transform
single image
spatial domain
low pass
frequency band
phase shifting