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Exoplanet Imaging Data Challenge

Exoplanet Imaging Data Challenge

Talk @ Global Challenges Science Week, Grenoble, France.

Transcript

  1. Exoplanet Imaging Data Challenge Carlos Alberto Gomez Gonzalez Global Challenges

    Science Week. June3, 2019
  2. {insert research topic here} Data Challenge Carlos Alberto Gomez Gonzalez

    Global Challenges Science Week. June3, 2019
  3. Exoplanet Imaging Data Challenge Planet: a celestial body moving in

    an elliptical orbit round the Sun
  4. Exo from extrasolar (outside of the Solar System)

  5. Exoplanet Imaging Data Challenge

  6. Data challenges • Problem to solve • Benchmark data •

    Metrics • Platform for hosting the competition • Motivate people to participate (*)
  7. Credit: Martin Vargic

  8. Credit: NASA, http://planetquest.jpl.nasa.gov High-contrast imaging Lighthouse -> Star Firefly ->

    exoplanet
  9. Credit: NASA, http://planetquest.jpl.nasa.gov High-contrast imaging Lighthouse -> Star Firefly ->

    exoplanet
  10. Credit: NASA, http://planetquest.jpl.nasa.gov High-contrast imaging Lighthouse -> Star Firefly ->

    exoplanet Stars never shut off !!!
  11. Debris disk Beta Pictoris (occulted)

  12. Yep, this is the exoplanet (Beta Pictoris b)

  13. 4k confirmed exoplanets but only ~1% observed!

  14. HR8799, Marois et al. 2010 20 AU 0.5” Konopacky et

    al. 2013 Bowler 2016 Milli et al. 2016
  15. Multi-dimensional arrays ( ) exoplanet t, λ, x, y 3D

    4D
  16. Fake planet (low contrast) Signal and noise

  17. spatially rescaled images t0 t0 with an integral field spectrograph

    Signal and noise
  18. Image processing pipeline Getting rid of the noise…

  19. Algorithms 2006 - 2019 • Median frame subtraction • Pairwise

    subtraction (GRAPHIC) • Least squares image combination (LOCI) • Low-rank approximations (PCA, NMF) • Low-rank plus sparse decompositions (LLSG) • MLE & Matched filtering (ANDROMEDA, KLIP-FM) • Supervised detection with deep neural networks (SODINN)
  20. None
  21. None
  22. Data • Lack of benchmark data in the HCI community

    • Requested datasets from the most important HCI instruments on Earth • Heterogeneous in terms of quality and characteristics • Synthetic companions were injected
  23. None
  24. Submissions

  25. Blob counting

  26. Metrics

  27. None
  28. Exercise of Openness

  29. Thank you carlgogo.github.io/ github.com/carlgogo/ speakerdeck.com/carlgogo/ linkedin.com/in/carlgogo/