English
Related papers

Related papers: SynthIA: A Synthetic Inversion Approximation for t…

200 papers

For numerous earth observation applications, one may benefit from various satellite sensors to address the reconstruction of some process or information of interest. A variety of satellite sensors deliver observation data with different…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Ronan Fablet , Bertrand Chapron

Time-dependent three-dimensional magnetohydrodynamics (MHD) simulation modules are implemented at the Joint Science Operation Center (JSOC) of Solar Dynamics Observatory (SDO). The modules regularly produce three-dimensional data of the…

Solar and Stellar Astrophysics · Physics 2015-04-22 Keiji Hayashi , J. Todd Hoeksema , Yang Liu , Monica G. Bobra , Xudong D. Sun , Aimee A. Norton

Magnetic field measurements in the upper chromosphere and above, where the gas-to-magnetic pressure ratio $\beta$ is lower than unity, are essential for understanding the thermal structure and dynamical activity of the solar atmosphere.…

Solar and Stellar Astrophysics · Physics 2015-06-19 R. Ishikawa , A. Asensio Ramos , L. Belluzzi , R. Manso Sainz , J. Stepan , J. Trujillo Bueno , M. Goto , S. Tsuneta

The Very Fast Inversion of the Stokes Vector (VFISV) is a Milne-Eddington spectral line inversion code used to determine the magnetic and thermodynamic parameters of the solar photosphere from observations of the Stokes vector in the 6173 A…

Solar and Stellar Astrophysics · Physics 2014-03-17 R. Centeno , J. Schou , K. Hayashi , A. Norton , J. T. Hoeksema , Y. Liu , K. D. Leka , G. Barnes

The upcoming Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) is expected to discover nearly a million Type Ia supernovae (SNeIa), offering an unprecedented opportunity to constrain dark energy. The vast majority of these…

Vision-based object detectors are a crucial basis for robotics applications as they provide valuable information about object localisation in the environment. These need to ensure high reliability in different lighting conditions,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Ritvik Singh , Jingzhou Liu , Karl Van Wyk , Yu-Wei Chao , Jean-Francois Lafleche , Florian Shkurti , Nathan Ratliff , Ankur Handa

The contrast of granulation is an important quantity characterizing solar surface convection. We compare the intensity contrast at 630 nm, observed using the Spectro-Polarimeter (SP) aboard the Hinode satellite, with the 3D radiative MHD…

Satellite-based remote sensing missions have revolutionized our understanding of the Ocean state and dynamics. Among them, space-borne altimetry provides valuable Sea Surface Height (SSH) measurements, used to estimate surface geostrophic…

Machine Learning · Computer Science 2024-05-07 Theo Archambault , Arthur Filoche , Anastase Charantonis , Dominique Bereziat , Sylvie Thiria

We study the structure of the magnetic elements in network-cell interiors. A quiet Sun area close to the disc centre was observed with the spectro-polarimeter of the Solar Optical Telescope on board the Hinode space mission, which yielded…

Astrophysics · Physics 2009-11-13 R. Rezaei , O. Steiner , S. Wedemeyer-Böhm , R. Schlichenmaier , W. Schmidt , B. W. Lites

There are significant advantages in combining Hinode observations with ground-based instruments that can observe additional spectral diagnostics at higher data rates and with greater flexibility. However, ground-based observations, because…

Instrumentation and Methods for Astrophysics · Physics 2009-09-09 Kevin P. Reardon , Thomas Rimmele , Alexandra Tritschler , Gianna Cauzzi , Friedrich Woeger , Han Uitenbroek , Saku Tsuneta , Thomas Berger

Visual-inertial odometry (VIO) is widely used for state estimation in autonomous micro aerial vehicles using onboard sensors. Current methods improve VIO by incorporating a model of the translational vehicle dynamics, yet their performance…

Robotics · Computer Science 2025-09-04 Giovanni Cioffi , Leonard Bauersfeld , Davide Scaramuzza

The High Resolution Telescope (HRT) of the Polarimetric and Helioseismic Imager on board the Solar Orbiter spacecraft (SO/PHI) and the Helioseismic and Magnetic Imager (HMI) on board the Solar Dynamics Observatory (SDO) both infer the…

Upcoming photometric surveys will discover tens of thousands of Type Ia supernovae (SNe Ia), vastly outpacing the capacity of our spectroscopic resources. In order to maximize the science return of these observations in the absence of…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-11 Helen Qu , Masao Sako

The major challenges for a fully polarized radiative transfer driven approach to Zeeman-Doppler imaging are still the enormous computational requirements. In every cycle of the iterative interplay between the forward process (spectral…

Astrophysics · Physics 2008-07-25 T. A. Carroll , M. Kopf , K. G. Strassmeier

In our previous articles (Chertok et al.: 2013, Solar Phys. 282, 175, and 2015, Solar Phys. 290, 627), we presented a preliminary tool for the early diagnostics of the geoeffectiveness of solar eruptions based on the estimate of the total…

Solar and Stellar Astrophysics · Physics 2017-04-19 I. M. Chertok , V. V. Grechnev , A. A. Abunin

Beginning in Fall 2018, the VERITAS high energy gamma-ray observatory (Amado, AZ) was upgraded to enable Stellar Intensity Interferometry (SII) observations during bright moon conditions. The system potentially allows VERITAS to spatially…

Instrumentation and Methods for Astrophysics · Physics 2019-08-09 Rylee Cardon , Nolan Matthews , A. Udara Abeysekara , David Kieda

SITELLE is a novel integral field unit spectroscopy instrument that has an impressive spatial (11 by 11 arcmin), spectral coverage, and spectral resolution (R=1-20000). SIGNALS is anticipated to obtain deep observations (down to…

Instrumentation and Methods for Astrophysics · Physics 2020-10-14 Carter L. Rhea , Laurie Rousseau-Nepton , Simon Prunet , Julie Hlavacek-larrondo , Sebastien Fabbro

The study of eye movements, particularly saccades and fixations, are fundamental to understanding the mechanisms of human cognition and perception. Accurate classification of these movements requires sensing technologies capable of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Khadija Iddrisu , Waseem Shariff , Suzanne Little , Noel OConnor

Exploring high-latitude lunar regions presents an extremely challenging visual environment for robots. The low sunlight elevation angle and minimal light scattering result in a visual field dominated by a high dynamic range featuring long,…

‹ Prev 1 4 5 6 7 8 10 Next ›