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Optimal Error Estimate of the Extended-WKB Approximation to the High Frequency Wave-Type Equation in the Semi-classical Regime.
Chunxiong Zheng
Jiashun Hu
Published in:
J. Sci. Comput. (2020)
Keyphrases
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high frequency
low frequency
error tolerance
estimation error
error bounds
visual quality
wavelet transform
subband
high resolution
high frequencies
wavelet coefficients
low pass
wavelet decomposition
high frequency components
frequency band
expected error
discrete wavelet transform
multiresolution
image analysis
wave equation
wavelet domain
image compression
motion estimation