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Fast directional spatially localized spherical harmonic transform

Authors

Khalid, Zubair

Kennedy, Rodney

Sadeghi, Parastoo

Wiaux, Yves

McEwen, Jason

Durrani, Salman

Publisher

Institute of Electrical and Electronics Engineers (IEEE Inc)

Abstract

We propose a transform for signals defined on the sphere that reveals their localized directional content in the spatio-spectral domain when used in conjunction with an asymmetric window function. We call this transform the directional spatially localized

Keywords

Keywords: 2-sphere; Efficient computation; Floating points; Numerical accuracy; Numerical complexity; Spherical harmonic transforms; Spherical harmonics; Window functions; Eigenvalues and eigenfunctions; Motion compensation; Signal analysis; Spectrum analysis; Sphe 2-sphere; Signal analysis; spherical harmonics

URI

http://hdl.handle.net/1885/72448

Collections

ANU Research Publications

Source

IEEE Transactions on Signal Processing

Type

Journal article

DOI

10.1109/TSP.2013.2247601

Restricted until

2037-12-31

Downloads

File

Description

01_Khalid_Fast_directional_spatially_2013.pdf (2.83 MB)