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Real-time frequency measurement for non-repetitive and statistically rare signals are challenging problems in the electronic measurement area, which places high demands on the bandwidth, sampling rate, data processing and transmission…

Signal Processing · Electrical Eng. & Systems 2023-08-21 Ruiyuan Ming , Peng Ye , Kuojun Yang , Zhixiang Pan , ChenYang Li , Chuang Huang

Implicit neural representations (INRs) can parameterize continuous beamforming functions in continuous aperture arrays (CAPAs) and thus enable efficient online inference. Existing INR-based beamforming methods for CAPAs, however, typically…

Signal Processing · Electrical Eng. & Systems 2026-03-18 Shiyong Chen , Jia Guo , Shengqian Han

We present a comprehensive pipeline developed for the image processing of the KMTNet Synoptic Survey of the Southern Sky (KS4) Data Release 1. This pipeline encompasses several key processes, including data quality assurance, astrometry,…

Instrumentation and Methods for Astrophysics · Physics 2026-03-19 Mankeun Jeong , Myungshin Im , Joonho Kim , Seo-Won Chang , Sungho Jung , Chung-Uk Lee , Dong-Jin Kim , Bomi Park , Jaewon Lee , Jiseop Shin , Changwan Kim , Gregory S. H. Paek

We present a description of the design and usage of a new synoptic pipeline and database model for time series photometry in the VISTA Data Flow System (VDFS). All UKIRT-WFCAM data and most of the VISTA main survey data will be processed…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 N. J. G. Cross , R. S. Collins , N. C. Hambly , R. P. Blake , M. A. Read , E. T. W. Sutorius , R. G. Mann , P. M. Williams

Ultrasound (US) machines display images on a built-in monitor, but routine transfer to hospital systems relies on DICOM. We propose a fully automatic method to generate labeled data that can be used to train a screen detector model, and a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Alberto Gomez , Jorge Oliveira , Ramon Casero , Agis Chartsias

A new open-source image processing pipeline for analyzing camera trap time-lapse recordings is described. This pipeline includes machine learning models to assist human-in-the-loop video segmentation and animal re-identification. We present…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Michael L. Hilton , Mark T. Yamane , Leah M. Knezevich

In a recent article series, the authors have promoted convex optimization algorithms for radio-interferometric imaging in the framework of compressed sensing, which leverages sparsity regularization priors for the associated inverse problem…

Instrumentation and Methods for Astrophysics · Physics 2014-04-01 Rafael E. Carrillo , Jason D. McEwen , Yves Wiaux

Accurate digital twins of industrial assets, such as ships and offshore platforms, rely on the precise reconstruction of complex pipe networks. However, manual modelling of pipes from laser scan data is a time-consuming and labor-intensive…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Antje Alex , Jannis Stoppe

The Cherenkov Telescope Array (CTA) is a ground-based $\gamma$-ray observatory that will observe the full sky in the energy range from 20 GeV to 100 TeV from facilities in both hemispheres. It is proposed to consist of more than 100…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Ramin Marx , Raquel de los Reyes

High-resolution astronomical imaging at sub-GHz radio frequencies has been available for more than 15 years, with the VLA at 74 and 330 MHz, and the GMRT at 150, 240, 330 and 610 MHz. Recent developments include wide-bandwidth upgrades for…

Instrumentation and Methods for Astrophysics · Physics 2014-02-21 H. T. Intema

Millimeter wave (mm-wave) communication with large-scale antenna array configuration is seen as the key enabler of the next generation communication systems. Accurate knowledge of the mm-wave propagation channels is fundamental and…

Signal Processing · Electrical Eng. & Systems 2021-07-15 Xuesong Cai , Wei Fan

This manual is intended to help ALMA and other interferometer users improve images by recognising limitations and how to overcome them and deciding when and how to use self-calibration. The images provided by the ALMA Science Archive are…

Instrumentation and Methods for Astrophysics · Physics 2022-07-13 A. M. S. Richards , E. Moravec , S. Etoka , E. B. Fomalont , A. F. Pérez-Sánchez , M. C. Toribio , R. A. Laing

The photometric calibration of the Sloan Digital Sky Survey (SDSS) is a multi-step process which involves data from three different telescopes: the 1.0-m telescope at the US Naval Observatory (USNO), Flagstaff Station, Arizona (which was…

The Data Handling Pipeline ("Pipeline") has been developed for the Fermi Gamma-Ray Space Telescope (Fermi) Large Area Telescope (LAT) which launched in June 2008. Since then it has been in use to completely automate the production of data…

Instrumentation and Methods for Astrophysics · Physics 2012-12-18 Stephan Zimmer , Luisa Arrabito , Tom Glanzman , Tony Johnson , Claudia Lavalley , Andrei Tsaregorodtsev

Accurate characterization of modern on-chip antennas remains challenging, as current probe-station techniques offer limited angular coverage, rely on bespoke hardware, and require frequent manual alignment. This research introduces RAPTAR…

Robotics · Computer Science 2025-07-24 Maaz Qureshi , Mohammad Omid Bagheri , Abdelrahman Elbadrawy , William Melek , George Shaker

Urban forests play a key role in enhancing environmental quality and supporting biodiversity in cities. Mapping and monitoring these green spaces are crucial for urban planning and conservation, yet accurately detecting trees is challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Alessandro dos Santos Ferreira , Ana Paula Marques Ramos , José Marcato Junior , Wesley Nunes Gonçalves

Channel charting, an unsupervised learning method that learns a low-dimensional representation from channel information to preserve geometrical property of physical space of user equipments (UEs), has drawn many attentions from both…

Information Theory · Computer Science 2024-04-01 Longhai Zhao , Yunchuan Yang , Qi Xiong , He Wang , Bin Yu , Feifei Sun , Chengjun Sun

We exploited graphene nanoribbons based meta-surface to realize coherent perfect absorption (CPA) in the mid-infrared regime. It was shown that quasi-CPA frequencies, at which CPA can be demonstrated with proper phase modulations, exist for…

We are reporting the updates in version 0.2.0 of the Automated SpectroPhotometric REDuction (ASPIRED) pipeline, designed for common use on different instruments. The default settings support many typical long-slit spectrometer…

Instrumentation and Methods for Astrophysics · Physics 2020-12-08 Marco C Lam , Robert J Smith , Josh Veitch-Michaelis , Iain A Steele , Paul R McWhirter

The GRAINE project observes cosmic gamma-rays, using a balloon-borne emulsion-film-based telescope in the sub-GeV/GeV energy band. We reported in our previous balloon experiment in 2018, GRAINE2018, the detection of the known brightest…