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Proceedings Paper

3D sparse representations on the sphere and applications in astronomy
Author(s): François Lanusse; Jean-Luc Starck
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Paper Abstract

We present several 3D sparse decompositions based on wavelets on the sphere that are useful for different kind of data set such as regular 3D spherical measurements (r,θ, φ) and multichannel spherical measurements (λ, θ, φ). We show how these new decompositions can be used for astronomical data denoising and deconvolution, when the data are contaminated by Gaussian and Poisson noise.

Paper Details

Date Published: 26 September 2013
PDF: 13 pages
Proc. SPIE 8858, Wavelets and Sparsity XV, 88580K (26 September 2013); doi: 10.1117/12.2023912
Show Author Affiliations
François Lanusse, Lab. AIM, CNRS, CEA (France)
Jean-Luc Starck, Lab. AIM, CNRS, CEA (France)


Published in SPIE Proceedings Vol. 8858:
Wavelets and Sparsity XV
Dimitri Van De Ville; Vivek K. Goyal; Manos Papadakis, Editor(s)

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