Neural Posterior Estimation for Cataloging Astronomical Images with Spatially Varying Backgrounds and Point Spread Functions

Neural posterior estimation (NPE), a type of amortized variational inference, is a computationally efficient means of constructing probabilistic catalogs of light sources from astronomical images. To date, NPE has not been used to perform inference in models with spatially varying covariates. Howeve...

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Váldodahkkit:	Aakash Patel, Tianqing Zhang, Camille Avestruz, Jeffrey Regier, The LSST Dark Energy Science Collaboration
Materiálatiipa:	Artigo
Giella:	Inglês
Almmustuhtton:	IOP Publishing 2025-01-01
Ráidu:	The Astronomical Journal
Fáttát:	Astronomy image processing
Liŋkkat:	https://doi.org/10.3847/1538-3881/adef32
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