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On azimuthally symmetric 2-sphere convolution

Kennedy, Rodney; Lamahewa, Tharaka; Wei, Liying


We consider the problem of azimuthally symmetric convolution of signals defined on the 2-Sphere. Applications of such convolution include but are not limited to: geodesy, astronomical data (such as the famous Wilkinson Microwave Anisotropy Probe data), and 3D beamforming/sensing. We review various definitions of convolution from the literature and show a nontrivial equivalence between different definitions. Some convolution formulations based on SO(3) are shown not to be well formed for...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Digital Signal Processing
DOI: 10.1016/j.dsp.2011.05.002


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