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In long baseline interferometry, the raw fringe contrast must be calibrated to obtain the true visibility and then those observables that can be interpreted in terms of astrophysical parameters. The selection of suitable calibration stars…

Multi-view clustering (MVC) optimally integrates complementary information from different views to improve clustering performance. Although demonstrating promising performance in various applications, most of existing approaches directly…

Machine Learning · Computer Science 2022-08-03 Siwei Wang , Xinwang Liu , En Zhu

Modern physics experiments often utilize FPGA-based systems for real-time data acquisition. Integrated analog electronics demand for complex calibration routines. Furthermore, versatile configuration and control of the whole system is a key…

Systems and Control · Electrical Eng. & Systems 2021-09-01 Nick Karcher , Richard Gebauer , Robin Bauknecht , Rainer Illichmann , Oliver Sander

Interplanetary scintillation (IPS) provides an approach for identifying the presence of sub-arcsec structures in radio sources, and very long baseline interferometry (VLBI) technique can help verify whether the IPS sources have fine…

Astrophysics of Galaxies · Physics 2021-10-27 Sumit Jaiswal , Tao An , Ailing Wang , Steven Tingay

Very Long Baseline Interferometry is capable of measuring the gravitational delay caused by the Sun and planet gravitational fields. The post-Newtonian parameter $\gamma$ is now estimated with accuracy of $\sigma_{\gamma}=2\cdot 10^{-4}$…

Instrumentation and Methods for Astrophysics · Physics 2013-11-04 Anastassia Girdiuk , Oleg Titov

Diffuse correlation spectroscopy (DCS) is a powerful tool for assessing microvascular hemodynamic in deep tissues. Recent advances in sensors, lasers, and deep learning have further boosted the development of new DCS methods. However,…

The implementation of the simultaneous combination of several telescopes (from four to eight) available at Very Large Telescope Interferometer (VLTI) will allow the new generation interferometric instrumentation to achieve interferometric…

Astrophysics · Physics 2009-11-13 L. Corcione , D. Bonino , D. F. Busher , M. Gai , S. Ligori , D. Loreggia , G. Masssone , J. S. Young

Software spectrometer (SWSpec) developed for spacecraft tracking can be used to assure VLBI signal chain reliability, and phase stability of a VLBI receiver. Testing performed with SWSpec during pre-operations both saves time, and eases the…

Instrumentation and Methods for Astrophysics · Physics 2015-04-10 Minttu Uunila , Juha Kallunki , Guifré Molera Calvés

We propose a programming technology that bridges cross-platform compatibility and hardware acceleration in ray tracing applications. Our methodology enables developers to define algorithms while our translator manages implementation…

Graphics · Computer Science 2024-09-20 Vladimir Frolov , Vadim Sanzharov , Garifullin Albert , Maxim Raenchuk , Alexei Voloboy

With the continuous increase in the computational power and resources of modern high-performance computing (HPC) systems, large-scale ensemble simulations have become widely used in various fields of science and engineering, and especially…

Human-Computer Interaction · Computer Science 2022-09-23 Keita Watanabe , Naohisa Sakamoto , Jorji Nonaka , Yasumitsu Maejima

A fluorescence correlation spectroscopy (FCS) system based on two independent measurement volumes is presented. The optical setup and data acquisition hardware are detailed, as well as a complete protocol to control the location, size and…

Optics · Physics 2009-08-26 P. Ferrand , M. Pianta , A. Kress , A. Aillaud , H. Rigneault , D. Marguet

This whitepaper describes the load-balancing performance issues that are observed and tackled during the petascaling of the Vlasiator codes. Vlasiator is a Vlasov-hybrid simulation code developed in Finnish Meteorological Institute (FMI).…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-11-29 Ata Turk , Cevdet Aykanat , G. Vehbi Demirci , Sebastian von Alfthan , Ilja Honkonen

We describe in this paper a new, public software for accurate "PSF-matched" multiband photometry for images of different resolution and depth, that we have named ConvPhot, of which we analyse performances and limitations. It is designed to…

Astrophysics · Physics 2009-11-13 C. De Santis , A. Grazian , A. Fontana , P. Santini

Anchor-based large-scale multi-view clustering has attracted considerable attention for its effectiveness in handling massive datasets. However, current methods mainly seek the consensus embedding feature for clustering by exploring global…

Machine Learning · Computer Science 2024-04-12 Zhen Long , Qiyuan Wang , Yazhou Ren , Yipeng Liu , Ce Zhu

We propose a road-map to experimental implementation of cytoskeleton-based computing devices. An overall concept is described in the following. Collision-based cytoskeleton computers implement logical gates via interactions between…

Very long baseline interferometry (VLBI) is a radio-astronomical technique in which the correlated signal from various baselines is combined into an image of highest angular resolution. Due to sparsity of the measurements, this imaging…

Instrumentation and Methods for Astrophysics · Physics 2023-03-29 Hendrik Müller , Andrei Lobanov

With the richness of present-day hardware architectures, tightening the synergy between hardware and software has attracted a great attention. The interest in unified approaches paved the way for newborn frameworks that target hardware and…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-24 Issam Damaj , Safaa Kasbah

Direct-attached accelerators, where application accelerators are directly connected to the datacenter network via a hardware network stack, offer substantial benefits in terms of reduced latency, CPU overhead, and energy use. However, a key…

Hardware Architecture · Computer Science 2025-07-15 Katie Lim , Matthew Giordano , Theano Stavrinos , Irene Zhang , Jacob Nelson , Baris Kasikci , Tom Anderson

We present a highly parallel implementation of the cross-correlation of time-series data using graphics processing units (GPUs), which is scalable to hundreds of independent inputs and suitable for the processing of signals from "Large-N"…

Instrumentation and Methods for Astrophysics · Physics 2011-08-02 M. A. Clark , P. C. La Plante , L. J. Greenhill