Efficient Sampling on HEALPix Grid
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Aslam, Adeem; Khalid, Zubair; Kennedy, Rodney
Description
We propose an iso-latitude sampling scheme for the representation of band-limited signals on the sphere. The proposed scheme is designed as a variant of the widely used Hierarchical Equal Area iso-Latitude Pixelization (HEALPix) scheme on the sphere. We use HEALPix grid of resolution N side to represent a signal of bandlimit (spherical harmonic degree) L. To reduce the number of samples, the proposed algorithm takes only L iso-latitude rings out of 4N side -1 rings of the HEALPix. This...[Show more]
Collections | ANU Research Publications |
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Date published: | 2018 |
Type: | Conference paper |
URI: | http://hdl.handle.net/1885/313655 |
Source: | 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing - Proceedings |
DOI: | 10.1109/ICASSP.2018.8461294 |
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Efficient_Sampling_on_HEALPix_Grid.pdf | 177.75 kB | Adobe PDF | Request a copy |
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