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Non-constant Q Multi-Resolution Transforms: Properties, Applications, and Fast Algorithm

Yuh-Sien SUN, Hsuen-Chyun SHYU

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Summary :

The constant-Q based wavelet transform is the most effective means of quantitatively characterizing high frequency transient signals. This study develops a novel non constant-Q based multi-resolution transform (NCQM) and provides a precision analysis descriptor for both low and high frequency transients. The properties of this novel NCQM kernel are thoroughly examined and then the striking conceptual resemblance, energy conservation characteristic, and power spectrum close forms are derived. The rapid algorithm of NCQM is also presented and its excellent performance in noisy environments is demonstrated.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E85-A No.3 pp.640-647
Publication Date
2002/03/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Digital Signal Processing

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