A fast algorithm for filtering and wavelet decomposition on the sphere

zbMath1030.65148MaRDI QIDQ1407723

Daniel Potts, Martin Böhme

Publication date: 17 September 2003

Published in: ETNA. Electronic Transactions on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/123216

zbMATH Keywords

waveletsalgorithmnumerical experimentsspherical harmonicsassociated Legendre functionsfast multipole methodsspherical Fourier transformfast discrete transformsfast discrete summationfast Fourier transform at nonequispaced knotsspherical filter

Mathematics Subject Classification ID

Nontrigonometric harmonic analysis involving wavelets and other special systems (42C40) Numerical methods for wavelets (65T60) Numerical methods for discrete and fast Fourier transforms (65T50)

Related Items (4)

Fast convolution with radial kernels at nonequispaced knots ⋮ Fast evaluation of quadrature formulae on the sphere ⋮ Collocation-quadrature methods and fast summation for Cauchy singular integral equations with fixed singularities ⋮ Convolutions on the sphere: commutation with differential operators

Uses Software

• NFFT

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