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An Original Method for Spot Detection and Analysis for Large Surveys of Videos in JET (Articolo in rivista)

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An Original Method for Spot Detection and Analysis for Large Surveys of Videos in JET (Articolo in rivista) (literal)

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Craciunescu Teddy; Murari Andrea; Sieglin Bernhard; Matthews Guy; JET EFDA Contributors (2014)
An Original Method for Spot Detection and Analysis for Large Surveys of Videos in JET
in IEEE transactions on plasma science; IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 (Stati Uniti d'America)
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Craciunescu Teddy; Murari Andrea; Sieglin Bernhard; Matthews Guy; JET EFDA Contributors (literal)

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IEEE transactions on plasma science (Online) - Attiva dal: 1988 - Editore: IEEE Nuclear and Plasma Sciences Society. - New York - Paese di pubblicazione: Stati Uniti d'America - Lingua: inglese - eIssn: 1939-9375 - Titolo chiave: IEEE transactions on plasma science (Online) - Titolo proprio: IEEE transactions on plasma science (Online) - Titoli alternativi: Transactions on plasma science (Online) - Plasma science (Online) (literal)

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1 : EURATOM-MEdC Association, National Institute for Lasers, Plasma and Radiation Physics, Bucharest-Magurele 077125, Romania; 2 : Consorzio RFX, Associazione EURATOM-ENEA per la Fusione, Padova 35127, Italy; 3 : Max-Planck-Institut für Plasmaphysik, EURATOMIPP, Garching 85748, Germany; 4 : EURATOM-CCFE Fusion Association, Culham Science Centre, Abingdon OX14 3DB, United Kingdom 5 : Culham Science Centre, Abingdon OX14 3DB, Oxon, U.K. (literal)

Titolo

An Original Method for Spot Detection and Analysis for Large Surveys of Videos in JET (literal)

Abstract

An original spot detection method for large surveys of videos in Joint European Torus (JET) is presented. The method can be used for the automatic identification of spots in JET infra-red (IR) videos and for the assessment of the long-term trends in their evolution. This method has been applied to the analysis of a large database of JET IR images collected during the last campaigns of operation with the International Thermonuclear Experimental Reactor-like wall. The evolution of the spots and their properties, such as size and distribution, can be correlated with macroscopic events, in particular series of intentional disruptions. On the other hand, care must be taken in the interpretation of the results because there is some evidence of toroidal asymmetries in the spot distribution. (literal)

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