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Context: We introduce the computation of global reference frames from Very Long Baseline Interferometry (VLBI) observations at the Vienna International VLBI Service for Geodesy and Astrometry (IVS) Analysis Center (VIE) in detail. We focus…

Instrumentation and Methods for Astrophysics · Physics 2023-11-08 H. Krásná , L. Baldreich , J. Böhm , S. Böhm , J. Gruber , A. Hellerschmied , F. Jaron , L. Kern , D. Mayer , A. Nothnagel , O. Panzenböck , H. Wolf

Very Long Baseline Interferometric (VLBI) observations of quasar jets enable one to measure many theoretically expected effects. Estimating the significance of observational findings is complicated by the correlated noise in the image…

Instrumentation and Methods for Astrophysics · Physics 2018-10-22 I. N. Pashchenko

The European VLBI Network (EVN) is in the process of establishing an e-VLBI array in which the radio telescopes and the EVN correlator at JIVE are connected in real-time, via high-speed national fibre optic networks and the pan-European…

Astrophysics · Physics 2007-05-23 M. A. Garrett

We present MeqSilhouette v2.0 (MeqSv2), a fully polarimetric, time-and frequency-resolved synthetic data generation software for simulating millimetre (mm) wavelength very long baseline interferometry (VLBI) observations with heterogeneous…

A catalog containing milliarcsecond--accurate positions of 1332 extragalactic radio sources distributed over the northern sky is presented - the Very Long Baseline Array Calibrator Survey (VCS1). The positions have been derived from…

Astrophysics · Physics 2010-04-06 A. J. Beasley , D. Gordon , A. B. Peck , L. Petrov , D. S. MacMillan , E. B. Fomalont , C. Ma

Coming high-cadence wide-field optical telescopes will image hundreds of thousands of sources per minute. Besides inspecting the near real-time data streams for transient and variability events, the accumulated data archive is a wealthy…

Instrumentation and Methods for Astrophysics · Physics 2018-03-20 Bart Scheers , Steven Bloemen , Hannes Mühleisen , Pim Schellart , Arjen van Elteren , Martin Kersten , Paul J. Groot

This paper introduces a LArge-scale Video Interpolation Benchmark (LAVIB) for the low-level video task of Video Frame Interpolation (VFI). LAVIB comprises a large collection of high-resolution videos sourced from the web through an…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Alexandros Stergiou

The first Search for Extra-Terrestrial Intelligence (SETI) conducted with Very Long Baseline Interferometry (VLBI) is presented. By consideration of the basic principles of interferometry, we show that VLBI is efficient at discriminating…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 H. Rampadarath , J. S. Morgan , S. J. Tingay , C. M. Trott

Textbooks are among the richest repositories of human-verified reasoning knowledge, yet their complex layouts contain multi-column typesetting, cross-page question answer separation, and interleaved figures, make automated extraction of…

Artificial Intelligence · Computer Science 2026-03-31 Zhen Hao Wong , Jingwen Deng , Yuzhao Wang , Wenkai Yu , Jihao Huang , Runming He , Chengyu Shen , Hao Liang , Wentao Zhang

We conducted radio detection observations at 8.4 GHz for 22 radio-loud broad absorption line (BAL) quasars, selected from the Sloan Digital Sky Survey (SDSS) Third Data Release, by a very-long-baseline interferometry (VLBI) technique. The…

In the era of large-scale foundation models, fully fine-tuning pretrained networks for each downstream task is often prohibitively resource-intensive. Prompt tuning offers a lightweight alternative by introducing tunable prompts while…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Jaekyun Park , Hye Won Chung

Mammography is the primary imaging tool for breast cancer diagnosis. Despite significant strides in applying deep learning to interpret mammography images, efforts that focus predominantly on visual features often struggle with…

Image and Video Processing · Electrical Eng. & Systems 2024-09-25 Xin Wei , Yaling Tao , Changde Du , Gangming Zhao , Yizhou Yu , Jinpeng Li

In real-world face recognition applications, there is a tremendous amount of data with two images for each person. One is an ID photo for face enrollment, and the other is a probe photo captured on spot. Most existing methods are designed…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Xiangyu Zhu , Hao Liu , Zhen Lei , Hailin Shi , Fan Yang , Dong Yi , Guojun Qi , Stan Z. Li

Effective error analysis is critical for the successful development and deployment of CVML models. One approach to understanding model errors is to summarize the common characteristics of error samples. This can be particularly challenging…

Human-Computer Interaction · Computer Science 2025-03-27 Jun Yuan , Kevin Miao , Heyin Oh , Isaac Walker , Zhouyang Xue , Tigran Katolikyan , Marco Cavallo

Video frame interpolation (VFI) is a fundamental research topic in video processing, which is currently attracting increased attention across the research community. While the development of more advanced VFI algorithms has been extensively…

Image and Video Processing · Electrical Eng. & Systems 2024-01-23 Duolikun Danier , Fan Zhang , David Bull

Very long baseline interferometry (VLBI) makes it possible to recover images of astronomical sources with extremely high angular resolution. Most recently, the Event Horizon Telescope (EHT) has extended VLBI to short millimeter wavelengths…

Instrumentation and Methods for Astrophysics · Physics 2018-02-05 Katherine L. Bouman , Michael D. Johnson , Adrian V. Dalca , Andrew A. Chael , Freek Roelofs , Sheperd S. Doeleman , William T. Freeman

Visual-Inertial (VI) sensors are popular in robotics, self-driving vehicles, and augmented and virtual reality applications. In order to use them for any computer vision or state-estimation task, a good calibration is essential. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Christopher L. Choi , Binbin Xu , Stefan Leutenegger

Large-scale Vision-Language Models (VLMs) have transformed general-purpose visual recognition through strong zero-shot capabilities. However, their performance degrades significantly in niche, safety-critical domains such as industrial…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Aaditya Baranwal , Abdul Mueez , Jason Voelker , Guneet Bhatia , Shruti Vyas

Very long baseline radio interferometry (VLBI) with ground-based observatories is limited by the size of Earth, the geographic distribution of antennas, and the transparency of the atmosphere. In this whitepaper, we present Capella, a…

Instrumentation and Methods for Astrophysics · Physics 2024-06-28 Sascha Trippe , Taehyun Jung , Jung-Won Lee , Jan Wagner , Jeong-Yeol Han , Wonseok Kang , Jae-Hyun Kyeong , Junghwan Oh , Jae-Young Kim , Jongho Park , Jeffrey A. Hodgson

Vehicle-bridge interaction (VBI) is important for simulating bridge response under moving vehicular loads and supports applications such as dynamic amplification studies, weigh-in-motion, and indirect bridge monitoring. Although VBI theory…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Mohammad Talebi-Kalaleh , Qipei Mei
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