Sparse recovery of spherical harmonic expansions from uniform distribution on sphere

Alem, Yibeltal; Salehin, S.M.Akramus; Chae, Daniel H; Kennedy, Rodney

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Sparse recovery of spherical harmonic expansions from uniform distribution on sphere

Date

2013

Authors

Alem, Yibeltal

Salehin, S.M.Akramus

Chae, Daniel H

Kennedy, Rodney

Publisher

IEEE

Abstract

We analyse the characteristics of spherical harmonics to derive a tighter bound on the minimum number of required measurements to accurately recover a sparse signal in spherical harmonic domain. We numerically show the coherence of spherical harmonic matr