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Directional H2-matrix compression for high-frequency problems.
Steffen Börm
Published in:
Numer. Linear Algebra Appl. (2017)
Keyphrases
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high frequency
low frequency
visual quality
low pass
high frequencies
subband
discrete wavelet transform
high frequency components
high resolution
wavelet transform
high pass
face recognition
wavelet coefficients
machine learning
image segmentation
phase shifting