IDNET
IDNET：IDentification network認證網
相關知識
WegiveanoverviewofISINA:INTEGRALSourceIdentificationNetwork
Algorithm.Thismachinelearningalgorithm,usingRandomForests,isappliedto
theIBIS/ISGRIdatasetinordertoeasetheproductionofunbiasedfuturesoft
gamma-raysourcecatalogues.Firstweintroducethedatasetandtheproblems
encounteredwhendealingwithimagesobtainedusingthecodedmasktechnique.
Theinitialstepofsourcecandidatesearchingisintroducedandaninitial
candidatelistiscreated.Adescriptionofthefeatureextractiononthe
initialcandidatelististhenperformedtogetherwithfeaturemergingfor
thesecandidates.Threetrainingandtestingsetsarecreatedinordertodeal
withthediversetimescalesencounteredwhendealingwiththegamma-raysky.
ThreeindependentRandomForestarebuilt:onedealingwithfaintpersistent
sourcerecognition,onedealingwithstrongpersistentsourcesandafinalone
dealingwithtransients.Forthelatter,anewtransientdetectiontechniqueis
introducedanddescribed:theTransientMatrix.Finallytheperformanceofthe
networkisassessedanddiscussedusingthetestingsetandsomeillustrative
sourceexamples.
