A difference boosting neural network for automated star-galaxy classification

Details A difference boosting neural network for automated star-galaxy classification A difference boosting neural network for automated star-galaxy classification

2002-02-06

arxiv.org/abs/astro-ph/0202127v1

Astron.Astrophys. 385 (2002) 1119-1126

Astronomy and Astrophysics

Astrophysics

9 pages, 1figure, 7 tables, accepted for publication in Astronomy and Astrophysics

Scientific paper

10.1051/0004-6361:20020219

In this paper we describe the use of a new artificial neural network, called the difference boosting neural network (DBNN), for automated classification problems in astronomical data analysis. We illustrate the capabilities of the network by applying it to star galaxy classification using recently released, deep imaging data. We have compared our results with classification made by the widely used Source Extractor (SExtractor) package. We show that while the performance of the DBNN in star-galaxy classification is comparable to that of SExtractor, it has the advantage of significantly higher speed and flexibility during training as well as classification.

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