Critically sampled graph wavelets converted from linear-phase biorthogonal wavelets

Abstract

This paper presents a design method of critically sampled graph wavelet transforms (CSGWTs) utilizing real-valued biorthogonal linear-phase wavelets for regular signals. Their filter characteristics are equivalent to those of biorthogonal linear-phase wavelets and can be expressed by real-valued closed-form with the sum of sinusoidal waves in the graph… (More)
DOI: 10.1109/ICASSP.2015.7178748

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