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Weproposeamethodforcontent-basedretrievingsolarmagnetograms.WeusetheSDOHelioseismicandMagneticImageroutputcollectedwithSunPyPyTorchlibraries.WecreateamathematicalrepresentationofthemagneticfieldregionsoftheSunintheformofavector.Thankstothissolutionwecancompareshortvectorsinsteadofcomparingfull-diskimages.Inordertodecreasetheretrievaltime,weusedafully-connectedau-toencoder,whichreducedthe256-elementdescriptortoa32-elementsemantichash.Theperformedexperimentsandcomparisonsprovedtheefficiencyoftheproposedapproach.Ourapproachhasthehighestprecisionvalueincomparisonwithotherstate-of-the-artmethods.Thepresentedmethodcanbeusednotonlyforsolarimageretrievalbutalsoforclassificationtasks.

Semantic Hashing for Fast Solar Magnetogram Retrieval / Grycuk, Rafał; Scherer, Rafał; Marchlewska, Alina; Napoli, Christian. - In: JOURNAL OF ARTIFICIAL INTELLIGENCE AND SOFT COMPUTING RESEARCH. - ISSN 2083-2567. - 12:4(2022), pp. 299-306. [10.2478/jaiscr-2022-0020]

Semantic Hashing for Fast Solar Magnetogram Retrieval

Christian Napoli
Ultimo
Supervision
2022

Abstract

Weproposeamethodforcontent-basedretrievingsolarmagnetograms.WeusetheSDOHelioseismicandMagneticImageroutputcollectedwithSunPyPyTorchlibraries.WecreateamathematicalrepresentationofthemagneticfieldregionsoftheSunintheformofavector.Thankstothissolutionwecancompareshortvectorsinsteadofcomparingfull-diskimages.Inordertodecreasetheretrievaltime,weusedafully-connectedau-toencoder,whichreducedthe256-elementdescriptortoa32-elementsemantichash.Theperformedexperimentsandcomparisonsprovedtheefficiencyoftheproposedapproach.Ourapproachhasthehighestprecisionvalueincomparisonwithotherstate-of-the-artmethods.Thepresentedmethodcanbeusednotonlyforsolarimageretrievalbutalsoforclassificationtasks.
2022
Content-Based Image Retrieval; Image Descriptor; Solar Analysis
01 Pubblicazione su rivista::01a Articolo in rivista
Semantic Hashing for Fast Solar Magnetogram Retrieval / Grycuk, Rafał; Scherer, Rafał; Marchlewska, Alina; Napoli, Christian. - In: JOURNAL OF ARTIFICIAL INTELLIGENCE AND SOFT COMPUTING RESEARCH. - ISSN 2083-2567. - 12:4(2022), pp. 299-306. [10.2478/jaiscr-2022-0020]
01a Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1664527
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