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Astronomers have come to rely on the increasing performance of computers to reduce, analyze, simulate and visualize their data. In this environment, faster computation can mean more science outcomes or the opening up of new parameter spaces…

天体物理仪器与方法 · 物理学 2010-01-14 Benjamin R. Barsdell , David G. Barnes , Christopher J. Fluke

Scientific experiments rely on some type of measurements that provides the required data to extract aimed information or conclusions. Data production and analysis are therefore essential components at the heart of any scientific…

仪器与探测器 · 物理学 2021-09-01 Wassim Mansour , Rattana Biv , Cyril Ponchut , Raphael Ponsard , Nicolas Janvier , Pablo Fajardo

A holographic microscope captures interference patterns, or holograms, that encode three-dimensional (3D) information about the object being viewed. Computation is essential to extracting that 3D information. By wrapping low-level…

图像与视频处理 · 电气工程与系统科学 2018-06-04 Solomon Barkley , Thomas G. Dimiduk , Jerome Fung , David M. Kaz , Vinothan N. Manoharan , Ryan McGorty , Rebecca W. Perry , Anna Wang

Region proposal is critical for object detection while it usually poses a bottleneck in improving the computation efficiency on traditional control-flow architectures. We have observed region proposal tasks are potentially suitable for…

分布式、并行与集群计算 · 计算机科学 2018-10-30 Wenzhi Fu , Jianlei Yang , Pengcheng Dai , Yiran Chen , Weisheng Zhao

We describe a system that builds a high dynamic-range and wide-angle image of the night sky by combining a large set of input images. The method makes use of pixel-rank information in the individual input images to improve a "consensus"…

计算机视觉与模式识别 · 计算机科学 2014-06-09 Dustin Lang , David W. Hogg , Bernhard Scholkopf

The availability of low cost sensors has led to an unprecedented growth in the volume of spatial data. However, the time required to evaluate even simple spatial queries over large data sets greatly hampers our ability to interactively…

数据库 · 计算机科学 2020-04-09 Harish Doraiswamy , Juliana Freire

Scientific data sets continue to increase in both size and complexity. In the past, dedicated graphics systems at supercomputing centers were required to visualize large data sets, but as the price of commodity graphics hardware has dropped…

天体物理仪器与方法 · 物理学 2015-05-19 P. R. Gazis , C. Levit , M. J. Way

The direct detection and characterization of planetary and substellar companions at small angular separations is a rapidly advancing field. Dedicated high-contrast imaging instruments deliver unprecedented sensitivity, enabling detailed…

地球与行星天体物理 · 物理学 2019-01-25 Tomas Stolker , Markus J. Bonse , Sascha P. Quanz , Adam Amara , Gabriele Cugno , Alexander J. Bohn , Anna Boehle

Sustaining high fidelity and high throughput of perception tasks over vision sensor streams on edge devices remains a formidable challenge, especially given the continuing increase in image sizes (e.g., generated by 4K cameras) and…

多媒体 · 计算机科学 2023-05-08 Ila Gokarn , Hemanth Sabella , Yigong Hu , Tarek Abdelzaher , Archan Misra

As the size of images and data products derived from astronomical data continues to increase, new tools are needed to visualize and interact with that data in a meaningful way. Motivated by our own astronomical images taken with the Dark…

天体物理仪器与方法 · 物理学 2015-11-19 Fred Moolekamp , Eric Mamajek

Traditional analysis techniques may not be sufficient for astronomers to make the best use of the data sets that current and future instruments, such as the Square Kilometre Array and its Pathfinders, will produce. By utilizing the…

天体物理仪器与方法 · 物理学 2010-01-14 Amr H. Hassan , Christopher J. Fluke , David G. Barnes

Multiview light sheet fluorescence microscopy (LSFM) allows to image developing organisms in 3D at unprecedented temporal resolution over long periods of time. The resulting massive amounts of raw image data requires extensive processing…

定量方法 · 定量生物学 2015-08-12 Christopher Schmied , Peter Steinbach , Tobias Pietzsch , Stephan Preibisch , Pavel Tomancak

In this paper, we present a novel research software, called PEGASE, suitable for the design, validation and deployment of advanced control strategies for complex multi-domain energy systems. PEGASE especially features a highly efficient…

Recently, deep learning algorithms, especially fully convolutional network based methods, are becoming very popular in the field of remote sensing. However, these methods are implemented and evaluated through various datasets and deep…

计算机视觉与模式识别 · 计算机科学 2018-09-17 Guangming Wu , Zhiling Guo

Cosmological measurements require the calculation of nontrivial quantities over large datasets. The next generation of survey telescopes (such as DES, PanSTARRS, and LSST) will yield measurements of billions of galaxies. The scale of these…

天体物理仪器与方法 · 物理学 2012-12-10 Deborah Bard , Matthew Bellis , Mark T. Allen , Hasmik Yepremyan , Jan M. Kratochvil

The implementation of fractional differential calculations can give new possibilities for image processing tools, in particular for those that are devoted to astronomical images analysis. As discussed in arxiv:0910.2381, the fractional…

天体物理仪器与方法 · 物理学 2009-11-04 Roberto Marazzato , Amelia Carolina Sparavigna

As unmanned aircraft systems (UASs) continue to integrate into the U.S. National Airspace System (NAS), there is a need to quantify the risk of airborne collisions between unmanned and manned aircraft to support regulation and standards…

分布式、并行与集群计算 · 计算机科学 2021-03-10 Andrew Weinert , Ngaire Underhill , Bilal Gill , Ashley Wicks

Astro-WISE is the Astronomical Wide-field Imaging System for Europe. It is a scientific information system which consists of hardware and software federated over about a dozen institutes throughout Europe. It has been developed to exploit…

天体物理仪器与方法 · 物理学 2013-01-08 Hugo Buddelmeijer , O. Rees Williams , John P. McFarland , Andrey Belikov

Scientific exploitation of the ever increasing volumes of astronomical data requires efficient and practical methods for data access, visualisation, and analysis. Hierarchical sky tessellation techniques enable a multi-resolution approach…

天体物理仪器与方法 · 物理学 2015-06-17 P. Fernique , M. G. Allen , T. Boch , A. Oberto , F-X. Pineau , D. Durand , C. Bot , L. Cambresy , S. Derriere , F. Genova , F. Bonnarel

Analog computation with passive optical components can enhance processing speeds and reduce power consumption, recently attracting renewed interest thanks to the opportunities enabled by metasurfaces. Basic image processing tasks, such as…

光学 · 物理学 2024-01-15 Sedigheh Esfahani , Michele Cotrufo , Andrea Alù