Autonomous volcanic plume detection on planetary bodies

Yucong Lin, Melissa Bunte, Srikanth Saripalli, James Bell, Ronald Greeley

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Explosive eruptive events and outgassing have been observed at several outer solar system bodies. These events indicate a range of geophysical activity and ensure that the bodies remain targets of interest for future observations. Characterizing the events demands an inordinate fraction of spacecraft's limited resources. We have developed algorithms for onboard characterization of geophysical signatures such as eruptive events and surface features in order to facilitate rapid detection and conserve data volume. We applied supervised classification (K Nearest Neighbor) on SIFT (Scale Invariant Feature Transform) features extracted from spacecraft images where such transient events are known to exist. This method evidenced successful performance on images of Io 2 from the Voyager.3 Galileo,4 and New Horizons5 missions, and images of Enceladus6 from the Cassini7 missions. It is able to detect plumes of different shapes, sizes and orientations. We show a positive detection rate of 68-96% of known plumes on Io, Enceladus. Additionally, we show that a similar technique is applicable to differentiating geologic features which exhibit similar appearances.

Original languageEnglish (US)
Pages (from-to)151-163
Number of pages13
JournalActa Astronautica
Volume97
Issue number1
DOIs
StatePublished - Apr 2014

Fingerprint

Spacecraft
Solar system
Degassing
Mathematical transformations

Keywords

  • Feature detection
  • Planetary body
  • Spacecraft images
  • Volcanic plume

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Autonomous volcanic plume detection on planetary bodies. / Lin, Yucong; Bunte, Melissa; Saripalli, Srikanth; Bell, James; Greeley, Ronald.

In: Acta Astronautica, Vol. 97, No. 1, 04.2014, p. 151-163.

Research output: Contribution to journalArticle

Lin, Yucong ; Bunte, Melissa ; Saripalli, Srikanth ; Bell, James ; Greeley, Ronald. / Autonomous volcanic plume detection on planetary bodies. In: Acta Astronautica. 2014 ; Vol. 97, No. 1. pp. 151-163.
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