Abstract
In this paper, a nonlinear interpolation is used in order to compute adaptively derivatives from the discrete information of any signal. Using these derivatives a multiresolution based on Hermite interpolation is performed for compressing the signal. The way in which the derivatives are approximated is crucial when noise or singularities appear.
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Ali, I., Amat, S. & Trillo, J.C. Point Values Hermite Multiresolution for Non-smooth Noisy Signals. Computing 77, 223–236 (2006). https://doi.org/10.1007/s00607-005-0159-6
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DOI: https://doi.org/10.1007/s00607-005-0159-6