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A next-generation instrument named, Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES), is being planned for the W. M. Keck Observatory. SCALES will have an integral field spectrograph (IFS) and a diffraction-limited…

Electrocardiogram (ECG) analysis is a fundamental tool for diagnosing cardiovascular conditions, yet anomaly detection in ECG signals remains challenging due to their inherent complexity and variability. We propose Multi-scale Masked…

Machine Learning · Computer Science 2025-02-11 Ya Zhou , Yujie Yang , Jianhuang Gan , Xiangjie Li , Jing Yuan , Wei Zhao

The Infrared Astronomical Satellite (IRAS) had a tremendous impact on many areas of modern astrophysics. In particular it revealed the ubiquity of infrared cirrus that are a spectacular manifestation of the interstellar medium complexity…

Astrophysics · Physics 2008-12-18 Marc-Antoine Miville-Deschenes , Guilaine Lagache

Masked autoencoder (MAE) is a promising self-supervised pre-training technique that can improve the representation learning of a neural network without human intervention. However, applying MAE directly to volumetric medical images poses…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Jia-Xin Zhuang , Luyang Luo , Hao Chen

MSE is an 11.25m aperture observatory with a 1.5 square degree field of view that will be fully dedicated to multi-object spectroscopy. More than 3200 fibres will feed spectrographs operating at low (R ~ 2000 - 3500) and moderate (R ~ 6000)…

Instrumentation and Methods for Astrophysics · Physics 2016-06-02 Alan McConnachie , Carine Babusiaux , Michael Balogh , Simon Driver , Pat Côté , Helene Courtois , Luke Davies , Laura Ferrarese , Sarah Gallagher , Rodrigo Ibata , Nicolas Martin , Aaron Robotham , Kim Venn , Eva Villaver , Jo Bovy , Alessandro Boselli , Matthew Colless , Johan Comparat , Kelly Denny , Pierre-Alain Duc , Sara Ellison , Richard de Grijs , Mirian Fernandez-Lorenzo , Ken Freeman , Raja Guhathakurta , Patrick Hall , Andrew Hopkins , Mike Hudson , Andrew Johnson , Nick Kaiser , Jun Koda , Iraklis Konstantopoulos , George Koshy , Khee-Gan Lee , Adi Nusser , Anna Pancoast , Eric Peng , Celine Peroux , Patrick Petitjean , Christophe Pichon , Bianca Poggianti , Carlo Schmid , Prajval Shastri , Yue Shen , Chris Willot , Scott Croom , Rosine Lallement , Carlo Schimd , Dan Smith , Matthew Walker , Jon Willis , Alessandro Bosselli Matthew Colless , Aruna Goswami , Matt Jarvis , Eric Jullo , Jean-Paul Kneib , Iraklis Konstantopoloulous , Jeff Newman , Johan Richard , Firoza Sutaria , Edwar Taylor , Ludovic van Waerbeke , Giuseppina Battaglia , Pat Hall , Misha Haywood , Charli Sakari , Carlo Schmid , Arnaud Seibert , Sivarani Thirupathi , Yuting Wang , Yiping Wang , Ferdinand Babas , Steve Bauman , Elisabetta Caffau , Mary Beth Laychak , David Crampton , Daniel Devost , Nicolas Flagey , Zhanwen Han , Clare Higgs , Vanessa Hill , Kevin Ho , Sidik Isani , Shan Mignot , Rick Murowinski , Gajendra Pandey , Derrick Salmon , Arnaud Siebert , Doug Simons , Else Starkenburg , Kei Szeto , Brent Tully , Tom Vermeulen , Kanoa Withington , Nobuo Arimoto , Martin Asplund , Herve Aussel , Michele Bannister , Harish Bhatt , SS Bhargavi , John Blakeslee , Joss Bland-Hawthorn , James Bullock , Denis Burgarella , Tzu-Ching Chang , Andrew Cole , Jeff Cooke , Andrew Cooper , Paola Di Matteo , Ginevra Favole , Hector Flores , Bryan Gaensler , Peter Garnavich , Karoline Gilbert , Rosa Gonzalez-Delgado , Puragra Guhathakurta , Guenther Hasinger , Falk Herwig , Narae Hwang , Pascale Jablonka , Matthew Jarvis , Umanath Kamath , Lisa Kewley , Damien Le Borgne , Geraint Lewis , Robert Lupton , Sarah Martell , Mario Mateo , Olga Mena , David Nataf , Jeffrey Newman , Enrique Pérez , Francisco Prada , Mathieu Puech , Alejandra Recio-Blanco , Annie Robin , Will Saunders , Daniel Smith , C. S. Stalin , Charling Tao , Karun Thanjuvur , Laurence Tresse , Ludo van Waerbeke , Jian-Min Wang , David Yong , Gongbo Zhao , Patrick Boisse , James Bolton , Piercarlo Bonifacio , Francois Bouchy , Len Cowie , Katia Cunha , Magali Deleuil , Ernst de Mooij , Patrick Dufour , Sebastien Foucaud , Karl Glazebrook , John Hutchings , Chiaki Kobayashi , Rolf-Peter Kudritzki , Yang-Shyang Li , Lihwai Lin , Yen-Ting Lin , Martin Makler , Norio Narita , Changbom Park , Ryan Ransom , Swara Ravindranath , Bacham Eswar Reddy , Marcin Sawicki , Luc Simard , Raghunathan Srianand , Thaisa Storchi-Bergmann , Keiichi Umetsu , Ting-Gui Wang , Jong-Hak Woo , Xue-Bing Wu

Here we propose the Reweighted Autoencoded Variational Bayes for Enhanced Sampling (RAVE) method, a new iterative scheme that uses the deep learning framework of variational autoencoders to enhance sampling in molecular simulations. RAVE…

Chemical Physics · Physics 2018-02-13 Joao Marcelo Lamim Ribeiro , Pablo Bravo Collado , Yihang Wang , Pratyush Tiwary

We describe the processing of the PHANGS-ALMA survey and present the PHANGS-ALMA pipeline, a public software package that processes calibrated interferometric and total power data into science-ready data products. PHANGS-ALMA is a large,…

Masked Image Modeling (MIM) has become an essential method for building foundational visual models in remote sensing (RS). However, the limitations in size and diversity of existing RS datasets restrict the ability of MIM methods to learn…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Fengxiang Wang , Hongzhen Wang , Di Wang , Zonghao Guo , Zhenyu Zhong , Long Lan , Wenjing Yang , Jing Zhang

The Mid-infrared ELT Imager and Spectrograph (METIS) will provide the Extremely Large Telescope (ELT) with a unique window to the thermal- and mid-infrared (3 - 13 microns). Its single-conjugate adaptive optics (SCAO) system will enable…

Spectroscopic measurements are presented using the PID350 pixelated gamma radiation detectors. A high-speed data acquisition system has been developed in order to reduce the data loss during the data reading in case of a high flux of…

Instrumentation and Detectors · Physics 2010-11-16 K. Karafasoulis , K. Zachariadou , S. Seferlis , I. Papadakis , D. Loukas , C. Lambropoulos , C. Potiriadis

Neutral hydrogen (HI) $21$-cm intensity mapping (IM) is a promising probe of the large-scale structures in the Universe. However, a few orders of magnitude brighter foregrounds obscure the IM signal. Here we use the Tapered Gridded…

Reconstructing gamma-ray spectra from detector measurements is an ill-posed inverse problem. Standard methods, such as Folding Iteration with Compton Subtraction (FICS), provide point estimates but lack calibrated uncertainties and may bias…

Instrumentation and Detectors · Physics 2025-11-24 E. Lima , L. L. Braseth , A. H. Mjøs , M. Hjorth-Jensen , A. Kvellestad , A. C. Larsen

Masked Autoencoding (MAE) has emerged as an effective approach for pre-training representations across multiple domains. In contrast to discrete tokens in natural languages, the input for image MAE is continuous and subject to additional…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Ronghang Hu , Shoubhik Debnath , Saining Xie , Xinlei Chen

The software package aXe provides comprehensive spectral extraction facilities for all the slitless modes of the ACS, covering the Wide Field Channel (WFC) grism, the High Resolution Channel (HRC) grism and prism and the Solar Blind Channel…

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

IRIS (InfraRed Imaging Spectrograph) is a first light near-infrared diffraction limited imager and integral field spectrograph being designed for the future Thirty Meter Telescope (TMT). IRIS is optimized to perform astronomical studies…

A fully autonomous data reduction pipeline has been developed for FRODOSpec, an optical fibre-fed integral field spectrograph currently in use at the Liverpool Telescope. This paper details the process required for the reduction of data…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 R. M. Barnsley , R. J. Smith , I. A. Steele

Due to the prevalence of scale variance in nature images, we propose to use image scale as a self-supervised signal for Masked Image Modeling (MIM). Our method involves selecting random patches from the input image and downsampling them to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Zhiming Wang , Lin Gu , Feng Lu

The technique of non-redundant masking (NRM) transforms a conventional telescope into an interferometric array. In practice, this provides a much better constrained point spread function than a filled aperture and thus higher resolution…

Instrumentation and Methods for Astrophysics · Physics 2017-11-29 Steph Sallum , Josh Eisner

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…

Since October 1, 2006, spectroscopic data from the two FORS instruments have been reduced with a new pipeline, which is based on a bottom-up calibration approach. I give a short description of the pipeline and discuss first experiences with…

Astrophysics · Physics 2015-05-13 S. Moehler