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We demonstrate a compact, cost-effective snapshot spectral imaging system named Aperture Diffraction Imaging Spectrometer (ADIS), which consists only of an imaging lens with an ultra-thin orthogonal aperture mask and a mosaic filter sensor,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Tao Lv , Hao Ye , Quan Yuan , Zhan Shi , Yibo Wang , Shuming Wang , Xun Cao

Astronomical data reduction is usually done with processing pipelines that consist of a series of individual processing steps that can be executed stand-alone. These processing steps are then strung together into workflows and fed with data…

Instrumentation and Methods for Astrophysics · Physics 2024-01-26 Wolfram Freudling , Stefano Zampieri , Lodovico Coccato , Stanislaw Podgorski , Martino Romaniello , Andrea Modigliani , John Pritchard

I present and summarize a software package ("LPipe") for completely automated, end-to-end reduction of both bright and faint sources with the Low-Resolution Imaging Spectrometer (LRIS) at Keck Observatory. It supports all gratings, grisms,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-10 Daniel A. Perley

The Advanced Camera for Surveys (ACS) enables low resolution slitless spectroscopic imaging in the three channels. The most-used modes are grism imaging with the WFC and the HRC at a resolution of 40 and 24 A/pixel, respectively. In the far…

Astrophysics · Physics 2007-05-23 M. Kuemmel , S. S. Larsen , J. R. Walsh

Navigation inside a closed area with no GPS-signal accessibility is a highly challenging task. In order to tackle this problem, recently the imaging-based methods have grabbed the attention of many researchers. These methods either extract…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Ali Ghofrani , Rahil Mahdian Toroghi , Seyed Mojtaba Tabatabaie

Many creative ideas are being proposed for image sensor designs, and these may be useful in applications ranging from consumer photography to computer vision. To understand and evaluate each new design, we must create a corresponding image…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Haomiao Jiang , Qiyuan Tian , Joyce Farrell , Brian Wandell

We present the data reduction pipeline, MEAD, for Arizona Lenslets for Exoplanet Spectroscopy (ALES), the first thermal infrared integral field spectrograph designed for high-contrast imaging. ALES is an upgrade of LMIRCam, the $1-5\,\mu$m…

We present the Advanced Camera for Surveys General Catalog (ACS-GC), a photometric and morphological database using publicly available data obtained with the Advanced Camera for Surveys (ACS) instrument on the Hubble Space Telescope. The…

We provide a suite of public open-source spectral data-reduction software to rapidly obtain scientific products from all forms of long-slit-like spectroscopic observations. Automated SpectroPhotometric REDuction (ASPIRED) is a Python-based…

Instrumentation and Methods for Astrophysics · Physics 2023-06-16 Marco C. Lam , Robert J. Smith , Iair Arcavi , Iain A. Steele , Josh Veitch-Michaelis , Lukasz Wyrzykowski

We present the first fully automated pipeline for making images from the interferometric data obtained from the upgraded Giant Metrewave Radio Telescope (uGMRT) called CAsa Pipeline-cum-Toolkit for Upgraded Giant Metrewave Radio Telescope…

Instrumentation and Methods for Astrophysics · Physics 2020-10-21 Ruta Kale , Ishwara-Chandra C. H.

Recent image restoration methods have produced significant advancements using deep learning. However, existing methods tend to treat the whole image as a single entity, failing to account for the distinct objects in the image that exhibit…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Jiaxi Jiang , Christian Holz

The US National Park Service (NPS) assesses the night sky quality over parks by capturing a series of overlapping images to obtain a mosaic view of the entire night sky. The NPS Night Skies Program has integrated a sequence of scripts and…

Instrumentation and Methods for Astrophysics · Physics 2018-11-06 Li-Wei Hung , Davyd Betchkal , Sharolyn J. Anderson , Damon Joyce

The International Liquid Mirror Telescope (ILMT) is a 4-meter survey telescope continuously observing towards the zenith in the SDSS g', r', and i' bands. This survey telescope is designed to detect various astrophysical transients (for…

The Transient Optical Sky Survey (TOSS) is an automated, ground-based telescope system dedicated to searching for optical transient events. Small telescope tubes are mounted on a tracking, semi-equatorial frame with a single polar axis.…

Instrumentation and Methods for Astrophysics · Physics 2012-10-05 E. Hadjiyska , G. Hughes , P. Lubin , S. Taylor , R. Hartong-Redden , J. Zierten

We present a convenient, all-in-one framework for the scientific analysis of fully reduced, (integral-field) spectroscopic data. The GIST pipeline (Galaxy IFU Spectroscopy Tool) is entirely written in Python3 and conducts all steps from the…

MAPS, MMT Adaptive optics exoPlanet characterization System, is the upgrade of legacy 6.5m MMT adaptive optics system. It is an NSF MSIP-funded project that includes (i) refurbishing of the MMT Adaptive Secondary Mirror (ASM), (ii) new high…

In this paper, we describe the optical imaging data processing pipeline developed for the Subaru Telescope's Hyper Suprime-Cam (HSC) instrument. The HSC Pipeline builds on the prototype pipeline being developed by the Large Synoptic Survey…

The identification and removal of systematic errors in object detectors can be a prerequisite for their deployment in safety-critical applications like automated driving and robotics. Such systematic errors can for instance occur under very…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Valentyn Boreiko , Matthias Hein , Jan Hendrik Metzen

The VISIONS public survey provides large-scale, multiepoch imaging of five nearby star-forming regions at subarcsecond resolution in the near-infrared. All data collected within the program and provided by the European Southern Observatory…

Instrumentation and Methods for Astrophysics · Physics 2023-05-17 Stefan Meingast , Hervé Bouy , Verena Fürnkranz , David Hernandez , Alena Rottensteiner , Erik Brändli