Analysing the polarisation of the CMB with spin scale-discretised wavelets
Boris Leistedt, Jason D. McEwen, Martin B\"uttner, Hiranya V. Peiris,, Pierre Vandergheynst, Yves Wiaux
TL;DR
This paper introduces a new wavelet transform for analyzing the polarization of the cosmic microwave background on the sphere, enabling better detection and characterization of polarization patterns.
Contribution
The paper presents a novel spin scale-discretised wavelet transform specifically designed for analyzing CMB polarization signals on the sphere.
Findings
Effective analysis of CMB polarization patterns.
Enhanced detection of polarization features.
Potential improvements in cosmological parameter estimation.
Abstract
We discuss a new scale-discretised directional wavelet transform to analyse spin signals defined on the sphere, in particular the polarisation of the cosmic microwave background (CMB).
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Taxonomy
TopicsGeophysics and Gravity Measurements · Cosmology and Gravitation Theories · Image and Signal Denoising Methods