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The central institute of electronics (ZEA-2) in the Forschungszentrum Juelich (FZJ) has developed a system to scan the response of the photocathode of photomultiplier tubes (PMT). The PMT sits tight on a supporting structure, while a blue…

仪器与探测器 · 物理学 2013-07-05 R. Fabbri

We present the open-source image processing software package PySAP (Python Sparse data Analysis Package) developed for the COmpressed Sensing for Magnetic resonance Imaging and Cosmology (COSMIC) project. This package provides a set of…

天体物理仪器与方法 · 物理学 2020-07-03 S. Farrens , A. Grigis , L. El Gueddari , Z. Ramzi , Chaithya G. R. , S. Starck , B. Sarthou , H. Cherkaoui , P. Ciuciu , J. -L. Starck

The Mexico-UK Sub-millimetre Camera for AsTronomy (MUSCAT) is a large-format, millimetre-wave camera consisting of 1,500 background-limited lumped-element kinetic inductance detectors (LEKIDs) scheduled for deployment on the Large…

High-resolution optical integral field units (IFUs) are rapidly expanding our knowledge of extragalactic emission nebulae in galaxies and galaxy clusters. By studying the spectra of these objects -- which include classic HII regions,…

天体物理仪器与方法 · 物理学 2021-08-31 Carter Lee Rhea , Julie Hlavacek-Larrondo , Laurie Rousseau-Nepton , Benjamin Vigneron , Louis-Simon Guité

Recent advances in astronomical observations have ushered in an era of remarkable discoveries. We now probe the Universe through multi-messenger signals, image the sky with unprecedented depth and resolution, and investigate individual…

天体物理仪器与方法 · 物理学 2026-05-12 Zheng Cai , Song Huang , Yu Liu , Cheng Zhao , Lei Huang

ESPRESSO is an extremely stable high-resolution spectrograph which is currently being developed for the ESO VLT. With its groundbreaking characteristics it is aimed to be a "science machine", i.e. a fully-integrated instrument to directly…

The analysis of complex multiphysics astrophysical simulations presents a unique and rapidly growing set of challenges: reproducibility, parallelization, and vast increases in data size and complexity chief among them. In order to meet…

天体物理仪器与方法 · 物理学 2015-05-20 Matthew J. Turk , Britton D. Smith , Jeffrey S. Oishi , Stephen Skory , Samuel W. Skillman , Tom Abel , Michael L. Norman

The latest developments of planetary exploration missions devoted to minor bodies required new solutions to correctly visualize and analyse data acquired over irregularly shaped bodies. ASI Space Science Data Center (SSDC-ASI, formerly…

We introduce MUSE-VL, a Unified Vision-Language Model through Semantic discrete Encoding for multimodal understanding and generation. Recently, the research community has begun exploring unified models for visual generation and…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Rongchang Xie , Chen Du , Ping Song , Chang Liu

In this paper, we introduce a new approach for high-quality multi-exposure image fusion (MEF). We show that the fusion weights of an exposure can be encoded into a 1D lookup table (LUT), which takes pixel intensity value as input and…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Ting Jiang , Chuan Wang , Xinpeng Li , Ru Li , Haoqiang Fan , Shuaicheng Liu

The main scientific characteristic of VIMOS (VIsible Multi Object Spectrograph, to be placed on ESO Very Large Telescope) is its high multiplexing capability, allowing astronomers to obtain up to 800 spectra per exposure. To fully exploit…

天体物理学 · 物理学 2007-05-23 Dario Bottini , Bianca Garilli , Laurence Tresse

Here we describe a simple, efficient, and most importantly fully operational point-spread-function(PSF)-reconstruction approach for laser-assisted ground layer adaptive optics (GLAO) in the frame of the Multi Unit Spectroscopic Explorer…

The current fleet of X-ray telescopes produces a wealth of multi-dimensional data, allowing us to study sources in time, photon energy and polarization. At the same time, it has become increasingly clear that progress in our physical…

高能天体物理现象 · 物理学 2025-12-12 Matteo Lucchini , Benjamin Ricketts , Phil Uttley , Daniela Huppenkothen

MESA (Modules for Experiments in Stellar Astrophysics) has become very popular among astrophysicists as a powerful and reliable code to simulate stellar evolution. Analyzing the output data thoroughly may, however, present some challenges…

太阳与恒星天体物理 · 物理学 2015-06-11 Maurizio Giannotti , Michael Wise , Aaron Mohammed

With the rapid growth of data generation, advancements in functional data analysis (FDA) have become essential, especially for approaches that handle multiple variables at the same time. This paper introduces a novel formulation of the…

统计方法学 · 统计学 2025-05-16 Belén Pulido , Alba M. Franco-Pereira , Rosa E. Lillo

Integral Field Spectroscopy is a powerful observing technique for Astronomy that is becoming available at most ground-based observatories as well as in space. The complex data obtained with this technique require new approaches for…

天体物理仪器与方法 · 物理学 2010-11-30 Martin M. Roth , Christer Sandin

We introduce a Markov Chain Monte Carlo simulation and data analysis package that extends the CMBEASY software. We have taken special care in implementing an adaptive step algorithm for the Markov Chain Monte Carlo in order to improve…

天体物理学 · 物理学 2007-05-23 Michael Doran , Christian M. Mueller

As a dedicated solar radio interferometer, the MingantU SpEctral RadioHeliograph (MUSER) generates massive observational data in the frequency range of 400 MHz -- 15 GHz. High-performance imaging forms a significantly important aspect of…

天体物理仪器与方法 · 物理学 2017-12-21 Ying Mei , Feng Wang , Wei Wang , Lin-jie Chen , Ying-bo Liu , Hui Deng , Wei Dai , Cui-yin Liu , Yi-hua Yan

Dimensionality reduction (DR) techniques inherently distort the original structure of input high-dimensional data, producing imperfect low-dimensional embeddings. Diverse distortion measures have thus been proposed to evaluate the…

机器学习 · 计算机科学 2023-08-14 Hyeon Jeon , Aeri Cho , Jinhwa Jang , Soohyun Lee , Jake Hyun , Hyung-Kwon Ko , Jaemin Jo , Jinwook Seo

PSRCHIVE is an open-source, object-oriented, scientific data analysis software library and application suite for pulsar astronomy. It implements an extensive range of general-purpose algorithms for use in data calibration and integration,…

天体物理仪器与方法 · 物理学 2012-05-30 Willem van Straten , Paul Demorest , Stefan Osłowski