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Understanding the Sun’s dynamics and their effects on our planet is a very important research aim. Among other, magnetograms from the Helioseismic and Magnetic Imager (HMI) are particularly valuable to researchers. In the paper we generate a descriptor based on magnetogram circle sector histogram. Then, we use locality-sensitive hashing to efficiently retrieve Sun magnetograms.

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Sun Magnetogram Search by Circle Sector Histograms and LSH

  • 会议论文

  • 发表日期：

    2025年

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  • Rafał Grycuk,
  • Patryk Najgebauer,
  • Sviatoslav Voloshynovskiy,
  • Rafał Scherer

摘要

Understanding the Sun’s dynamics and their effects on our planet is a very important research aim. Among other, magnetograms from the Helioseismic and Magnetic Imager (HMI) are particularly valuable to researchers. In the paper we generate a descriptor based on magnetogram circle sector histogram. Then, we use locality-sensitive hashing to efficiently retrieve Sun magnetograms.