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Related papers: VLBA Calibrator Survey 9 (VCS-9)

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Vision-Language Models like GPT-4, LLaVA, and CogVLM have surged in popularity recently due to their impressive performance in several vision-language tasks. Current evaluation methods, however, overlook an essential component: uncertainty,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Vasily Kostumov , Bulat Nutfullin , Oleg Pilipenko , Eugene Ilyushin

Variational Bayes (VB) has shown itself to be a powerful approximation method in many application areas. This paper describes some diagnostics methods which can assess how well the VB approximates the true posterior, particularly with…

Computation · Statistics 2013-09-23 Hui Zhao , Paul Marriott

The dissertation provides a comparative analysis of a number of variability tools currently in use. It serves as a catalogue for practitioners interested in the topic. We compare a range of modelling, configuring, and management tools for…

Software Engineering · Computer Science 2013-04-16 Mahendra Reddy Bhumula

Possible instrumental set--ups for the measurement of CMB polarization are reviewed in this article. We discuss existing and planned instruments, putting special emphasis on observational, instrumental, and data processing issues for the…

Astrophysics · Physics 2015-06-24 J. Delabrouille , J. Kaplan , M. Piat , C. Rosset

Most supervised machine learning tasks are subject to irreducible prediction errors. Probabilistic predictive models address this limitation by providing probability distributions that represent a belief over plausible targets, rather than…

Machine Learning · Statistics 2022-10-25 David Widmann , Fredrik Lindsten , Dave Zachariah

The first Chinese Continuous Visual Speech Recognition Challenge aimed to probe the performance of Large Vocabulary Continuous Visual Speech Recognition (LVC-VSR) on two tasks: (1) Single-speaker VSR for a particular speaker and (2)…

Computation and Language · Computer Science 2024-06-18 Chen Chen , Zehua Liu , Xiaolou Li , Lantian Li , Dong Wang

We present the current status of cosmic shear studies and their implications on cosmological models. Theoretical expectations and observational results are discussed in the framework of standard cosmology and CDM scenarios. The potentials…

Astrophysics · Physics 2009-11-07 Y. Mellier , L. van Waerbeke , F. Bernardeau , I. Tereno

This article discusses some basic aspects of cross section measurements at the future Large Hadron Collider (LHC) at CERN.

High Energy Physics - Experiment · Physics 2007-05-23 Andre Georg Holzner

Vision-Language Models (VLMs) trained on web-scale corpora excel at natural image tasks and are increasingly repurposed for healthcare; however, their competence in medical tasks remains underexplored. We present a comprehensive evaluation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Che Liu , Jiazhen Pan , Weixiang Shen , Wenjia Bai , Daniel Rueckert , Rossella Arcucci

Distributed calibration based on consensus optimization is a computationally efficient method to calibrate large radio interferometers such as LOFAR and SKA. Calibrating along multiple directions in the sky and removing the bright…

Instrumentation and Methods for Astrophysics · Physics 2021-10-29 Sarod Yatawatta

Objective: To enable reliable smartphone-based hearing assessments by developing methods to estimate device calibration offsets using categorical loudness scaling (CLS). Design: Calibration offsets were simulated from a Gaussian…

Medical Physics · Physics 2026-05-11 Chen Xu , Birger Kollmeier

Dual-field interferometric observations with VLTI/GRAVITY sometimes require the use of a "binary calibrator", a binary star whose individual components remain unresolved by the interferometer, with a separation between 400 and 2000 mas for…

We present the in-orbit calibration of the Visible Telescope (VT), one of the key instruments aboard the Space Variable Objects Monitor (SVOM) mission for gamma-ray burst (GRB) studies. Using Gaia Data Release 3 (DR3) as a reference, the VT…

High Energy Astrophysical Phenomena · Physics 2026-04-28 Zhu-Heng Yao , Yu-Lei Qiu , Jin-Song Deng , Li-Ping Xin , Chao Wu , Hua-Li Li , Jing Wang , Yi-Nuo Ma , Hong-Bo Cai , Xu-Hui Han , Jian-Yan Wei , Betrand Cordier

Vision-language Models (VLMs) have emerged as general-purpose tools for addressing a variety of complex computer vision problems. Such models have been shown to be highly capable, but, at the same time, lacking some basic visual…

Machine Learning · Computer Science 2025-07-15 Shivam Chandhok , Wan-Cyuan Fan , Vered Shwartz , Vineeth N Balasubramanian , Leonid Sigal

Ensuring that classifiers are well-calibrated, i.e., their predictions align with observed frequencies, is a minimal and fundamental requirement for classifiers to be viewed as trustworthy. Existing methods for assessing multiclass…

Machine Learning · Computer Science 2025-10-30 Mahmoud Hegazy , Michael I. Jordan , Aymeric Dieuleveut

During 1996, the SLD collaboration completed construction and began operation of a new charge-coupled device (CCD) vertex detector (VXD3). Since then, its performance has been studied in detail and a new topological vertexing technique has…

High Energy Physics - Experiment · Physics 2009-10-31 Toshinori Abe , representing the SLD Collaboration

Vision-Language Models (VLMs) have emerged as general purpose tools for addressing a variety of complex computer vision problems. Such models have been shown to be highly capable, but, at the same time, also lacking some basic visual…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Shivam Chandhok , Wan-Cyuan Fan , Leonid Sigal

Compact symmetric objects (CSOs) are intrinsically compact extragalactic radio sources that are thought to be the progenitors of classical radio galaxies. To date, evolutionary models have mainly focused on the formation and growth of…

Astrophysics of Galaxies · Physics 2025-05-07 M. Orienti , F. D'Ammando , D. Dallacasa , G. Migliori , P. Rossi , G. Bodo

The class of radio sources known as Compact Symmetric Objects (CSOs) is of particular interest in the study of the evolution of radio galaxies. CSOs are thought to be young (probably ~10^4 years), and a very high fraction of them exhibit HI…

Astrophysics · Physics 2009-10-31 A. B. Peck , G. B. Taylor

Miscalibration in Large Language Models (LLMs) undermines their reliability, highlighting the need for accurate confidence estimation. We introduce CCPS (Calibrating LLM Confidence by Probing Perturbed Representation Stability), a novel…