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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:
Comput. Math. Appl. (2021)
Keyphrases
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high frequency
low frequency
high frequencies
subband
wavelet transform
visual quality
high resolution
discrete wavelet transform
edge detection
image compression
wavelet coefficients
machine learning
image processing
wavelet domain
wavelet decomposition
high frequency components