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While simulation tools for visible light communication (VLC) with photo detectors (PDs) have been widely investigated, similar tools for optical camera communication (OCC) with complementary metal oxide semiconductor (CMOS) sensors are…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Srivathsan Chakaravarthi Narasimman , Arokiaswami Alphones

We present a new technique of decontaminating Swift UVOT grism spectra for transient objects. We describe the template image requirements and image processing steps necessary to successfully implement the empirical decontamination…

Instrumentation and Methods for Astrophysics · Physics 2016-04-27 Michael T. Smitka , Peter J. Brown , Paul Kuin , Nicholas B. Suntzeff

Vision transformer (ViT) and its variants have swept through visual learning leaderboards and offer state-of-the-art accuracy in tasks such as image classification, object detection, and semantic segmentation by attending to different parts…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Eric Youn , Sai Mitheran J , Sanjana Prabhu , Siyuan Chen

We present an experimental demonstration of passive, dynamic thermal regulation in a solid-state system with temperature-dependent thermal emissivity switching. We achieve this effect using a multilayered device, comprised of a vanadium…

An improved high-resolution ground-to-thermosphere version of the Institut Pierre-Simon Laplace (IPSL) Venus General Circulation Model (VGCM), including non-orographic gravity waves (GW) parameterization and fine-tuned non-LTE parameters,…

Spectral Spatial Fluctuations (SSF) of the Cosmic Microwave Background Radiation (CMBR) temperature are considered as a result of an interaction of primordial atoms and molecules with CMBR in proto-objects moving with peculiar velocities…

Astrophysics · Physics 2009-06-23 Viktor Dubrovich , Anisa Bajkova , Vladimir Khaikin

The Gamma-Ray Monitor (GRM) is a key payload of the Space-based multiband astronomical Variable Objects Monitor (SVOM) mission, which is designed to detect gamma ray bursts (GRBs) within the energy range of 15 keV to 5 MeV. The GRM…

The Compressed Baryonic Matter (CBM) experiment at the future Facility for Antiproton and Ion Research (FAIR) is a heavy-ion experiment designed to study nuclear matter at the highest baryonic density. For high-statistics measurements of…

Instrumentation and Detectors · Physics 2025-05-28 The CBM Collaboration

Successful visual navigation depends upon capturing images that contain sufficient useful information. In this letter, we explore a data-driven approach to account for environmental lighting changes, improving the quality of images for use…

Robotics · Computer Science 2022-07-12 Justin Tomasi , Brandon Wagstaff , Steven L. Waslander , Jonathan Kelly

Two key areas of emphasis in contemporary experimental exoplanet science are the detailed characterization of transiting terrestrial planets, and the search for Earth analog planets to be targeted by future imaging missions. Both of these…

We aim to deepen our understanding of the M-L transition on planetary-mass companions and isolated brown dwarfs, and search for evidence of possible differences between these two populations of objects. To this end, we present a set of 21…

Earth and Planetary Astrophysics · Physics 2025-09-03 P. Palma-Bifani , M. Bonnefoy , G. Chauvin , P. Rojo , P. Baudoz , B. Charnay , A. Denis , K. Hoch , S. Petrus , M. Ravet , A. Simonnin , A. Vigan

Reliable displacement measurement is fundamental for structural health monitoring and digital engineering workflows, as it provides direct structural response information. Vision-based measurement has emerged as a promising approach for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Qingyu Xian , Hao Cheng , Berend Jan van der Zwaag , Rolands Kromanis , Ozlem Durmaz Incel

Humid air is lighter than dry air at the same temperature and pressure because the molecular weight of water vapor is less than that of dry air. This effect is known as vapor buoyancy (VB). In this work we use experiments in an idealized…

Atmospheric and Oceanic Physics · Physics 2025-06-19 Seth Seidel , Da Yang

The Very Large Area Gamma-ray Space Telescope Pathfinder (VLAST-P), as the technology validation satellite for the VLAST mission, is designed to observe high-energy solar bursts on orbit. The CsI electromagnetic calorimeter (ECAL) is one of…

High Energy Physics - Experiment · Physics 2026-03-10 Jiaxuan Wang , Zhen Wang , Borong Peng , Renjun Wang , Yunlong Zhang , Zhongtao Shen , Yifeng Wei , Dengyi Chen , Xiang Li , Yiming Hu , Jianhua Guo

Integration of Visual Inertial Odometry (VIO) methods into a modular control system designed for deployment of Unmanned Aerial Vehicles (UAVs) and teams of cooperating UAVs in real-world conditions are presented in this paper. Reliability…

Robotics · Computer Science 2023-02-06 Jan Bednář , Matěj Petrlík , Kelen Cristiane Teixeira Vivaldini , Martin Saska

We present early results from the Faint InfraRed Extragalactic Survey (FIRES) at the VLT, the main goal of which is to study galaxy evolution in a deep, K-band selected sample. With our NIR selection, we select galaxies based on their…

Astrophysics · Physics 2007-05-23 Gregory Rudnick , Hans-Walter Rix , Marijn Franx

Purpose: To experimentally validate the Fastcat cone beam CT (CBCT) simulator against kV and MV CBCT images acquired with a Varian Truebeam linac. Methods: kV and MV CBCT images of a Catphan 504 phantom were acquired using a 100 kVp beam…

Medical Physics · Physics 2022-01-19 Jericho O'Connell , Clayton Lindsay , Magdalena Bazalova-Carter

SLAM (Simultaneous Localization and Mapping) and Odometry are important systems for estimating the position of mobile devices, such as robots and cars, utilizing one or more sensors. Particularly in camera-based SLAM or Odometry,…

Robotics · Computer Science 2026-03-20 Sanghyun Park , Soohee Han

Vision-Language Models (VLMs) have emerged as the dominant approach for zero-shot recognition, adept at handling diverse scenarios and significant distribution changes. However, their deployment in risk-sensitive areas requires a deeper…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Weijie Tu , Weijian Deng , Dylan Campbell , Stephen Gould , Tom Gedeon

The design of an Airwatch type space mission can greatly benefit from a flexible simulation code for establishing the values of the main parameters of the experiment. We present here a code written for this purpose. The cosmic ray primary…

High Energy Physics - Experiment · Physics 2015-06-25 T. Montaruli , R. Bellotti , F. Cafagna , M. Circella , C. N. De Marzo , P. Lipari