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We describe the reduction of data taken with the PACS instrument on board the Herschel Space Observatory in the Science Demonstration Phase of the Herschel-ATLAS (H-ATLAS) survey, specifically data obtained for a 4x4-deg^2 region using…

Near-infrared array detectors, like the \JWST NIRSpec's Teledyne's H2RGs, often provide reference pixels and a reference output. These are used to remove correlated noise. Improved Reference Sampling and Subtraction (\IRSSquare, pronounced…

A reconfigurable intelligent surface (RIS) can be used to improve the channel gain between a base station (BS) and user equipment (UE), but only if its $N$ reflecting elements are configured properly. This requires accurate estimation of…

Signal Processing · Electrical Eng. & Systems 2022-05-24 Özlem Tuğfe Demir , Emil Björnson , Luca Sanguinetti

BlueMUSE is an integral field spectrograph in an early development stage for the ESO VLT. For our design of the data reduction software for this instrument, we are first reviewing capabilities and issues of the pipeline of the existing MUSE…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 Peter M. Weilbacher , Sven Martens , Martin Wendt , Martin M. Roth , Stefan Dreizler , Andreas Kelz , Roland Bacon , Johan Richard

MIRI is the imager and spectrograph covering wavelengths from $4.9$ to $27.9$ $\mu$m onboard the James Webb Space Telescope (JWST). The Medium-Resolution Spectrometer (MRS) consists of four integral field units (IFU), each of which has…

Instrumentation and Methods for Astrophysics · Physics 2025-11-18 Amélie Canin , Cédric Févotte , Nicolas Dobigeon , Dries Van De Putte , Takashi Onaka , Olivier Berné

Reconfigurable Intelligent Surface (RIS) technology has emerged as a key enabler for future wireless communications. However, its potential is constrained by the difficulty of acquiring accurate user-to-RIS channel state information (CSI),…

Signal Processing · Electrical Eng. & Systems 2026-04-20 Md. Shahriar Sadid , Ali A. Nasir , Saad Al-Ahmadi , Samir Al-Ghadhban

The Prime Focus Spectrograph (PFS) is an optical/near-infrared multi-fiber spectrograph with 2394 science fibers, which are distributed in 1.3 degree diameter field of view at Subaru 8.2-meter telescope. The simultaneous wide wavelength…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Hajime Sugai , Naoyuki Tamura , Hiroshi Karoji , Atsushi Shimono , Naruhisa Takato , Masahiko Kimura , Youichi Ohyama , Akitoshi Ueda , Hrand Aghazarian , Marcio Vital de Arruda , Robert H. Barkhouser , Charles L. Bennett , Steve Bickerton , Alexandre Bozier , David F. Braun , Khanh Bui , Christopher M. Capocasale , Michael A. Carr , Bruno Castilho , Yin-Chang Chang , Hsin-Yo Chen , Richard C. Y. Chou , Olivia R. Dawson , Richard G. Dekany , Eric M. Ek , Richard S. Ellis , Robin J. English , Didier Ferrand , Décio Ferreira , Charles D. Fisher , Mirek Golebiowski , James E. Gunn , Murdock Hart , Timothy M. Heckman , Paul T. P. Ho , Stephen Hope , Larry E. Hovland , Shu-Fu Hsuc , Yen-Shan Hu , Pin Jie Huang , Marc Jaquet , Jennifer E. Karr , Jason G. Kempenaar , Matthew E. King , Olivier Le Fèvre , David Le Mignant , Hung-Hsu Ling , Craig Loomis , Robert H. Lupton , Fabrice Madec , Peter Mao , Lucas Souza Marrara , Brice Ménard , Chaz Morantz , Hitoshi Murayama , Graham J. Murray , Antonio Cesar de Oliveira , Claudia Mendes de Oliveira , Ligia Souza de Oliveira , Joe D. Orndorff , Rodrigo de Paiva Vilaça , Eamon J. Partos , Sandrine Pascal , Thomas Pegot-Ogier , Daniel J. Reiley , Reed Riddle , Leandro Santos , Jesulino Bispo dos Santos , Mark A. Schwochert , Michael D. Seiffert , Stephen A. Smee , Roger M. Smith , Ronald E. Steinkraus , Laerte Sodré , David N. Spergel , Christian Surace , Laurence Tresse , Clément Vidal , Sebastien Vives , Shiang-Yu Wang , Chih-Yi Wen , Amy C. Wu , Rosie Wyse , Chi-Hung Yan

The Digital Access to a Sky Century@Harvard (DASCH) project is digitizing the ~500,000 glass plate images obtained (full sky) by the Harvard College Observatory from 1885-1992. Astrometry and photometry for each resolved object are derived…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Sumin Tang , Jonathan Grindlay , Edward Los , Mathieu Servillat

We present the implementation and use of algorithms for matching point-spread functions (PSFs) within the Pan-STARRS Image Processing Pipeline (IPP). PSF-matching is an essential part of the IPP for the detection of supernovae and…

Instrumentation and Methods for Astrophysics · Physics 2019-01-30 Paul A. Price , Eugene A. Magnier

The MOST (Microvariability & Oscillations of STars) satellite obtains ultraprecise photometry from space with high sampling rates and duty cycles. Astronomical photometry or imaging missions in low Earth orbits, like MOST, are especially…

Modern detector manufacturing allows spectral and polarimetric filters to be directly integrated on top of separate detector pixels. This enables the creation of CubeSat-sized spectro-polarimetric instruments that are not much larger than…

Instrumentation and Methods for Astrophysics · Physics 2025-04-10 T. A. Stockmans , F. Snik , J. M. Smit , J. H. H. Rietjens , M. Esposito , C. van Dijk , C. U. Keller

Our aim is to evaluate fundamental parameters from the analysis of the electromagnetic spectra of stars. We may use $10^3$-$10^5$ spectra; each spectrum being a vector with $10^2$-$10^4$ coordinates. We thus face the so-called "curse of…

Instrumentation and Methods for Astrophysics · Physics 2017-06-08 V. Watson , JF. Trouilhet , F. Paletou , S. Girard

Recently, infrared small target detection with single-point supervision has attracted extensive attention. However, the detection accuracy of existing methods has difficulty meeting actual needs. Therefore, we propose an innovative refined…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Jinmiao Zhao , Zelin Shi , Chuang Yu , Yunpeng Liu

This paper describes the methods used to obtain the spectroscopic data and construct redshift catalogs for the Canada-France deep Redshift Survey (CFRS). The full data set consists of more than one thousand spectra, of objects with 17.5 <…

Astrophysics · Physics 2016-08-30 O. Le Fevre , David Crampton , S. J. Lilly , F. Hammer , L. Tresse

Fluid reconfigurable intelligent surfaces (FRIS) extend conventional RIS architectures by enabling physical reconfiguration of element positions, thereby introducing a fundamentally new degree of freedom for controlling spatial correlation…

The use of reconfigurable intelligent surfaces (RIS) can improve wireless communication by modifying the wireless link to create virtual line-of-sight links, bypass blockages, suppress interference, and enhance localization. However,…

Signal Processing · Electrical Eng. & Systems 2023-09-08 Anish Pradhan , Harpreet S. Dhillon

Coherent anti-Stokes Raman Spectroscopy (CARS) is a laser-based measurement technique widely applied across many science and engineering disciplines to perform non-intrusive gas diagnostics. CARS is often used to study combustion, where the…

Machine Learning · Computer Science 2022-05-25 Gregory J. Hunt , Cody R. Ground , Andrew D. Cutler

We present ShapeVis, a scalable visualization technique for point cloud data inspired from topological data analysis. Our method captures the underlying geometric and topological structure of the data in a compressed graphical…

Machine Learning · Computer Science 2020-01-22 Nupur Kumari , Siddarth R. , Akash Rupela , Piyush Gupta , Balaji Krishnamurthy