Astrophysics (index)

Maximum Likelihood Mapmaking

(ML Mapmaking)
(method of making maps using varying data)

Maximum Likelihood Mapmaking is a method of creation of maps covering a region of the sky from data contaminated by noisy signal. The technique is used in processing data to map the Cosmic Microwave Background (CMB), e.g., that has multiple observations of each "pixel" of a region of the sky, each observation Maximum Likelihood Estimation (MLE) is used to determine the presumed value of each pixel, or, to make the problem tractable, some less-resource-intensive method designed to approximate it.


(statistics,technique)
https://arxiv.org/abs/0906.1775

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