Robust impurity detection and tracking for tokamaks

JET Contributors, T. Morgan

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

A robust impurity detection and tracking code, able to generate large sets of dust tracks from tokamak camera footage, is presented. This machine learning-based code is tested with cameras from the Joint European Torus, Doublet-III-D, and Magnum-PSI and is able to generate dust tracks with a 65-100% classification accuracy. Moreover, the number dust particles detected from a single camera shot can be up to the order of 1000. Several areas of improvement for the code are highlighted, such as generating more significant training data sets and accounting for selection biases. Although the code is tested with dust in single two-dimensional camera views, it could easily be applied to multiple-camera stereoscopic reconstruction or nondust impurities.

Original languageEnglish
Article number043311
JournalPhysical Review E
Volume102
Issue number4
DOIs
Publication statusPublished - Oct 2020

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