2 papers
stat.ML2025
A novel Information-Driven Strategy for Optimal Regression Assessment
BenjamÃn Castro, Camilo RamÃrez, Sebastián Espinosa +3
In Machine Learning (ML), a regression algorithm aims to minimize a loss function based on data. An assessment method in this context seeks to quantify the discrepancy between the…
astro-ph.IM2025
The impact of the point spread function fitting radius on photometric uncertainty based on the Fisher information matrix
Sebastian Espinosa, Mario L. Vicuña, Rene A. Mendez +2
In point spread function (PSF) photometry, the selection of the fitting aperture radius plays a critical role in determining the precision of flux and background estimations. Tradi…