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A convergent low-wavenumber, high-frequency homogenization of the wave equation in periodic media with a source term.
Shixu Meng
Othman Oudghiri-Idrissi
Bojan B. Guzina
Published in:
CoRR (2020)
Keyphrases
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high frequency
wave equation
low frequency
visual quality
high resolution
wavelet transform
high frequencies
subband
low pass
high frequency components
wavelet coefficients
discrete wavelet transform
computer vision
frequency band
hamilton jacobi
low spatial resolution