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• W3104673453 abstract "Machine learning techniques are widely applied in many modern optical sky surveys, e.q. Pan-STARRS1, PTF/iPTF and Subaru/Hyper Suprime-Cam survey, to reduce human intervention for data verification. In this study, we have established a machine learning based real-bogus system to reject the false detections in the Subaru/Hyper-Suprime-Cam StrategicSurvey Program (HSC-SSP) source catalog. Therefore the HSC-SSP moving object detection pipeline can operate more effectively due to the reduction of false positives. To train the real-bogus system, we use the stationary sources as the real training set and the flagged data as the bogus set. The training set contains 47 features, most of which are photometric measurements and shape moments generated from the HSC image reduction pipeline (hscPipe). Our system can reach a true positive rate (tpr) ~96% with a false positive rate (fpr) ~ 1% or tpr ~99% at fpr ~5%. Therefore we conclude that the stationary sources are decent real training samples, and using photometry measurements and shape moments can reject the false positives effectively." @default.
• W3104673453 created "2020-11-23" @default.
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• W3104673453 date "2017-09-01" @default.
• W3104673453 modified "2023-10-16" @default.
• W3104673453 title "Machine-learning-based real–bogus system for the HSC-SSP moving object detection pipeline" @default.
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• W3104673453 doi "https://doi.org/10.1093/pasj/psx082" @default.
• W3104673453 hasPublicationYear "2017" @default.
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