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Compactly Supported Wavelets Derived From Legendre Polynomials: Spherical Harmonic Wavelets

A new family of wavelets is introduced, which is associated with Legendre polynomials. These wavelets, termed spherical harmonic or Legendre wavelets, possess compact support. The method for the wavelet construction is derived from the association of ordinary second order differential equations with multiresolution filters. The low-pass filter associated with Legendre multiresolution analysis is a linear phase finite impulse response filter (FIR).

preprint2015arXivOpen access
M. M. S. LiraH. M. de OliveiraM. A. Carvalho JrR. M. Campello de Souza
Methodologymath.NANumerical Analysis
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M. M. S. LiraH. M. de OliveiraM. A. Carvalho JrR. M. Campello de Souza

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