Abstract
The essentially non-oscillatory (ENO)-wavelet transform developed by Chan and Zhou (SIAM J. Numer. Anal. 40(4), 1369–1404, 2002) is based on a combination of the Daubechies-2p wavelet transform and the ENO technique. It uses extrapolation methods to compute the scaling coefficients without differencing function values across jumps and obtains a multiresolution framework (essentially) free of edge artifacts. In this work, we present a different way to compute the ENO-DB2p wavelet transform of Chan and Zhou which allows us to simplify the process and easily generalize it to other families of orthonormal wavelets.
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Aràndiga, F., Donat, R. & Noguera, J.J. Generalizing the ENO-DB2p transform using the inverse wavelet transform. Numer Algor 74, 175–198 (2017). https://doi.org/10.1007/s11075-016-0144-5
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DOI: https://doi.org/10.1007/s11075-016-0144-5