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Signal Estimation from Incomplete Data on the Sphere

Zhang, Wen; Kennedy, Rodney; Abhayapala, Thushara


An iterative algorithm is proposed to estimate a signal on the sphere from limited or incomplete measurements. The algorithm is based on a priori assumption that the Fourier decomposition of the signal on the sphere has finite degree of spherical harmonic coefficients, that is, the signal is mode-limited or low-pass in character. The iteration algorithm is to reduce the mean square error between the spherical harmonic coefficients of the estimated and that of the original signal. Convergence...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Conference paper
Source: Proceedings of the Australian Communications Theory Workshop (AusCTW 2008)
DOI: 10.1109/AUSCTW.2008.4460819


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