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Deep neural networks for semantic segmentation rely on large-scale annotated datasets, leading to an annotation bottleneck that motivates few shot semantic segmentation (FSS) which aims to generalize to novel classes with minimal labeled…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Ourui Fu , Hangzhou He , Kaiwen Li , Xinliang Zhang , Lei Zhu , Shuang Zeng , Zhaoheng Xie , Yanye Lu

Next generation high contrast imaging instruments face a challenging trade off: they will be required to deliver data with high spectral resolution at a relatively fast cadence (minutes) and across a wide field of view (arcseconds). For…

Instrumentation and Methods for Astrophysics · Physics 2023-11-03 William Thompson , Adam B. Johnson , Christian Marois , Olivier Lardière , Frédéric Grandmont , Tim Hardy , Kris Caputa , Colin Bradley , Garima Singh

The IBIS telescope onboard INTEGRAL, the ESA gamma-ray space mission to be launched in 2002, is a soft gamma-ray (20 keV - 10 MeV) device based on a coded aperture imaging system. We describe here basic concepts of coded masks, the imaging…

Absolute spectrophotometric measurements of diffuse radiation at 1 \mu m to 2 \mu m are crucial to our understanding of the radiative content of the Universe from nucleosynthesis since the epoch of reionization, the composition and…

SCALES (Slicer Combined with an Array of Lenslets for Exoplanet Spectroscopy) is a 2 to 5 micron high-contrast lenslet-based Integral Field Spectrograph (IFS) designed to characterize exoplanets and their atmospheres. Like other…

Instrumentation and Methods for Astrophysics · Physics 2022-08-25 Deno Stelter , Andrew J. Skemer , Renate Kupke , Cyril Bourgenot , Raquel A. Martinez , Stephanie E. Sallum

Integral Field Spectroscopy (IFS) is a technique that gives simultaneously the spectrum of each spatial sampling element in a given object field. It is a powerful tool which rearranges the data cube (x, y, lambda) represented by two spatial…

Instrumentation and Methods for Astrophysics · Physics 2016-12-07 Florence Laurent , Francois Henault

The Mid-Infrared Instrument (MIRI) for JWST is supplied with a suite of imaging bandpass filters optimized for full spectral coverage in eight intermediate-width bands from 5 to 26 microns and a narrower one at 11.3 microns. This contrasts…

We present an updated atlas of spectra from the Low-Resolution Spectrometer (LRS) on the Infrared Astronomical Satellite (IRAS), which took spectra from 7.67 to 22.73 um with a spectral resolving power (lambda / Delta lambda) of 20-60. The…

Solar and Stellar Astrophysics · Physics 2025-07-21 G. C. Sloan , Kathleen E. Kraemer , K. Volk

IRAS flux densities, redshifts, and infrared luminosities are reported for all sources identified in the IRAS Revised Bright Galaxy Sample (RBGS), a complete flux-limited survey of all extragalactic objects with total 60 micron flux density…

Astrophysics · Physics 2011-07-18 D. B. Sanders , J. M. Mazzarella , D. -C. Kim , J. A. Surace , B. T. Soifer

Infrared-faint radio sources (IFRS) are objects that have flux densities of several mJy at 1.4GHz, but that are invisible at 3.6um when using sensitive Spitzer observations with uJy sensitivities. Their nature is unclear and difficult to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Enno Middelberg , Ray P. Norris , Christopher A. Hales , Nick Seymour , Melanie Johnston-Hollitt , Minh T. Huynh , Emil Lenc , Minnie Y. Mao

The imager on board INTEGRAL (IBIS) presently provides the most detailed sky images ever obtained at energies above 30 keV. The telescope is based on a coded aperture imaging system which allows to obtain sky images in a large field of view…

Astrophysics · Physics 2009-11-10 A. Gros , A. Goldwurm , M. Cadolle-Bel , P. Goldoni , J. Rodriguez , L. Foschini , M. Del Santo , P. Blay

The Rapid Imaging Planetary Spectrograph (RIPS) was designed as a long-slit high-resolution spectrograph for the specific application of studying atmospheres of spatially extended solar system bodies. With heritage in terrestrial airglow…

Instrumentation and Methods for Astrophysics · Physics 2023-08-01 Patrick Lierle , Carl Schmidt , Jeffrey Baumgardner , Luke Moore , Emma Lovett

We present 3.6 and 4.5 um photometry for a set of 61 standard stars observed by Spitzer's Infrared Spectrograph (IRS). The photometry was obtained with the Infrared Array Camera (IRAC) on Spitzer in order to help tie the calibration of IRAC…

Solar and Stellar Astrophysics · Physics 2022-09-29 Kathleen E. Kraemer , Charles W. Engelke , Bailey A. Renger , G. C. Sloan

Infrared imaging is essential for autonomous driving and robotic operations as a supportive modality due to its reliable performance in challenging environments. Despite its popularity, the limitations of infrared cameras, such as low…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Xingyuan Li , Zirui Wang , Yang Zou , Zhixin Chen , Jun Ma , Zhiying Jiang , Long Ma , Jinyuan Liu

The Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope (JWST) offers the first opportunity to use integral-field spectroscopy from space at near-infrared wavelengths. More specifically, NIRSpec's integral-field unit can…

We present the innovative macro-slicer optical and opto-mechanical designs for the third-generation Mid-resolution InfraReD Astronomical Spectrograph (MIRADAS) instrument for the 10.4m Gran Telescopio Canarias (GTC) in the 1-2.5 $\mu$m…

Instrumentation and Methods for Astrophysics · Physics 2019-02-06 R Deno Stelter , Stephen S Eikenberry

To enable non-line-of-sight (NLoS) sensing and communications, dual-function radar-communications (DFRC) systems have recently proposed employing reconfigurable intelligent surface (RIS) as a reflector in wireless media. However, in the…

Signal Processing · Electrical Eng. & Systems 2023-05-09 Tong Wei , Linlong Wu , Kumar Vijay Mishra , M. R. Bhavani Shankar

Context: Infrared-Faint Radio Sources (IFRS) are characterised by relatively high radio flux densities and associated faint or even absent infrared and optical counterparts. The resulting extremely high radio-to-infrared flux density ratios…

Astrophysics of Galaxies · Physics 2014-09-05 Andreas Herzog , Enno Middelberg , Ray P. Norris , Rob Sharp , Lee R. Spitler , Quentin A. Parker

Neural Radiance Fields achieve high-fidelity scene representation but suffer from costly training and rendering, while 3D Gaussian splatting offers real-time performance with strong empirical results. Recently, solutions that harness the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Grzegorz Wilczyński , Mikołaj Zieliński , Krzysztof Byrski , Joanna Waczyńska , Dominik Belter , Przemysław Spurek