Frequency-Shift-Invariant Orthonormal Wavelet Packet Representations

Abstract

It is commonly known that wavelet expansions are very sensitive to translation of an input signal due to their dyadic structure. Without proper time alignment of the signal to the decomposition basis vectors, a compact expansion may be unattainable. Recently, work has been done to combat translation sensitivity by determining the best translation-invariant… (More)
DOI: 10.1109/ICIP.1997.647991

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