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We present X-sifter, a software package designed for near-optimal detection of sources in X-ray images and other forms of photon images in the Poisson-noise regime. The code is based on the Poisson-noise-matched filter (Ofek & Zackay),…

天体物理仪器与方法 · 物理学 2024-12-12 Maayane T. Soumagnac , Eran O. Ofek , Shachar S. Israeli , Guy Nir , Imri A. Dickstein

We present Pipe3D, an analysis pipeline based on the FIT3D fitting tool, devel- oped to explore the properties of the stellar populations and ionized gas of Integral Field Spectroscopy data. Pipe3D was created to provide with coherent,…

The rapid evolution of deep generative models poses a critical challenge to deepfake detection, as detectors trained on forgery-specific artifacts often suffer significant performance degradation when encountering unseen forgeries. While…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Mengyu Qiao , Runze Tian , Yang Wang

Automated source extraction and parameterization represents a crucial challenge for the next-generation radio interferometer surveys, such as those performed with the Square Kilometre Array (SKA) and its precursors. In this paper we present…

天体物理仪器与方法 · 物理学 2016-05-09 S. Riggi , A. Ingallinera , P. Leto , F. Cavallaro , F. Bufano , F. Schillirò , C. Trigilio , G. Umana , C. S. Buemi , R. P. Norris

Source-Free Object Detection (SFOD) has garnered much attention in recent years by eliminating the need of source-domain data in cross-domain tasks, but existing SFOD methods suffer from the Source Bias problem, i.e. the adapted model…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zhi Cai , Yingjie Gao , Yanan Zhang , Xinzhu Ma , Di Huang

In many scientific fields like e.g. neuroscience, climatology or physics, complex relationships can be described most parsimoniously by nonlinear mechanics. Despite their relevance, many scientists still apply linear estimates in order to…

数据分析、统计与概率 · 物理学 2021-10-08 Immo Weber , Carina Renate Oehrn

Localization using time-difference of arrival (TDOA) has myriad applications, e.g., in passive surveillance systems and marine mammal research. In this paper, we present a Bayesian estimation method that can localize an unknown number of…

信号处理 · 电气工程与系统科学 2024-09-02 Wenyu Zhang , Mohammad Javad Khojasteh , Florian Meyer

In our work, we examine, for the first time, the possibility of fast and efficient source localization directly from the uvobservations, omitting the recovering of the dirty or clean images. We propose a deep neural network-based framework…

天体物理仪器与方法 · 物理学 2023-06-21 O. Taran , O. Bait , M. Dessauges-Zavadsky , T. Holotyak , D. Schaerer , S. Voloshynovskiy

I present a new FITS viewer designed to explore 3D spectral line data (in particular HI) and assist with visual source extraction and analysis. Using the artistic software Blender, FRELLED can visualise even large (~600^3 voxels) data sets…

天体物理仪器与方法 · 物理学 2015-10-14 Rhys Taylor

Three-dimensional medical image data and computer-aided decision making, particularly using deep learning, are becoming increasingly important in the medical field. To aid in these developments we introduce PR3DICTR: Platform for Research…

Simflowny is an open platform which automatically generates parallel code of scientific dynamical models for different simulation frameworks. Here we present major upgrades on this software to support an extended set of families of models,…

数学软件 · 计算机科学 2018-07-04 A. Arbona , B. Miñano , A. Rigo , C. Bona , C. Palenzuela , A. Artigues , C. Bona-Casas , J. Massó

Motivation: Flow Injection Analysis coupled to High-Resolution Mass Spectrometry (FIA-HRMS) is a promising approach for high-throughput metabolomics. FIA-HRMS data, however, cannot be preprocessed with current software tools which rely on…

Making energy consumption data accessible to software developers is an essential step towards energy efficient software engineering. The presence of various different, bespoke and incompatible, methods of instrumentation to obtain energy…

软件工程 · 计算机科学 2021-01-14 Hayden Field , Glen Anderson , Kerstin Eder

We present a user-friendly and versatile tool for laser frequency stabilization. Its main focus is spectroscopy locking, but the software is suitable for lock-in techniques in general as well as bare PID operation. Besides allowing for…

仪器与探测器 · 物理学 2022-06-16 Benjamin Wiegand , Bastian Leykauf , Robert Jördens , Markus Krutzik

As data grows in size and complexity, finding frameworks which aid in interpretation and analysis has become critical. This is particularly true when data comes from complex systems where extensive structure is available, but must be drawn…

机器学习 · 计算机科学 2021-05-24 Henry Kvinge , Brett Jefferson , Cliff Joslyn , Emilie Purvine

PL for SOA proposes, formally, a software engineering methodology, development techniques and support tools for the provision of service product lines. We propose rigorous modeling techniques for the specification and verification of formal…

软件工程 · 计算机科学 2011-08-12 Maurice H. ter Beek , Stefania Gnesi , Mercy N. Njima

Source-free domain adaptation (SFDA) is compelling because it allows adapting an off-the-shelf model to a new domain using only unlabelled data. In this work, we apply existing SFDA techniques to a challenging set of naturally-occurring…

机器学习 · 计算机科学 2023-06-27 Malik Boudiaf , Tom Denton , Bart van Merriënboer , Vincent Dumoulin , Eleni Triantafillou

The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an airborne astronomical observatory comprised of a 2.5 meter infrared telescope mounted in the aft section of a Boeing 747SP aircraft that flies at operational altitudes…

天体物理仪器与方法 · 物理学 2013-09-27 R. Y. Shuping , William D. Vacca , Lan Lin , Li Sun , Robert Krzaczek

We present a detailed analysis of four of the most widely used radio source finding packages in radio astronomy, and a program being developed for the Australian Square Kilometer Array Pathfinder (ASKAP) telescope. The four packages;…

天体物理仪器与方法 · 物理学 2015-06-04 Paul J Hancock , Tara Murphy , Bryan M Gaensler , Andrew Hopkins , James R Curran

The Stratospheric Observatory for Infrared Astronomy (SOFIA) is a Boeing 747SP aircraft modified to accommodate a 2.7 meter gyro-stabilized telescope, which is mainly focused to studying the Universe at infrared wavelengths. As part of the…

天体物理仪器与方法 · 物理学 2018-11-09 M. S. Gordon , E. Lopez-Rodriguez , B. -G. Andersson , M. Clarke , S. Coude , A. Moullet , S. N. Richards , R. Y. Shuping , W. Vacca , H. Yorke