no code implementations • 22 May 2024 • Rakesh Nath-Ranga, Olivier Absil, Valentin Christiaens, Emily O. Garvin
Through this paper, we demonstrate that ML techniques have the potential to improve the detection limits and reduce false positives for directly imaged planets in IFS datasets, after transforming the spectral dimension into a radial velocity dimension through a cross-correlation operation.
no code implementations • 22 May 2024 • Emily O. Garvin, Markus J. Bonse, Jean Hayoz, Gabriele Cugno, Jonas Spiller, Polychronis A. Patapis, Dominique Petit Dit de la Roche, Rakesh Nath-Ranga, Olivier Absil, Nicolai F. Meinshausen, Sascha P. Quanz
Once trained, MLCCS methods offer sensitive and rapid detection of exoplanets and their molecular species in the spectral dimension.
1 code implementation • 5 Sep 2023 • Nicolas Roy, Lorenzo König, Olivier Absil, Charlotte Beauthier, Alexandre Mayer, Michaël Lobet
This study aims to introduce a surrogate optimization framework for these devices.
no code implementations • 6 Feb 2023 • Carles Cantero, Olivier Absil, Carl-Henrik Dahlqvist, Marc Van Droogenbroeck
Supervised deep learning was recently introduced in high-contrast imaging (HCI) through the SODINN algorithm, a convolutional neural network designed for exoplanet detection in angular differential imaging (ADI) datasets.
no code implementations • 9 Dec 2020 • Carl-Henrik Dahlqvist, Olivier Absil
Finally, we present a new framework to generate contrast curves based on probability maps.
Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics
no code implementations • 3 Dec 2020 • Matthew A. Kenworthy, Frans Snik, Christoph U. Keller, David Doelman, Emiel H. Por, Olivier Absil, Brunella Carlomagno, Mikael Karlsson, Elsa Huby, Adrian M. Glauser, Sascha P. Quanz, William D. Taylor
ERIS is a diffraction limited thermal infrared imager and spectrograph for the Very Large Telescope UT4.
Instrumentation and Methods for Astrophysics