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Related papers: Combining a ground-based UV network with satellite…

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Ground-based whole sky imagers (WSIs) can provide localized images of the sky of high temporal and spatial resolution, which permits fine-grained cloud observation. In this paper, we show how images taken by WSIs can be used to estimate…

Instrumentation and Methods for Astrophysics · Physics 2017-04-07 Soumyabrata Dev , Florian M. Savoy , Yee Hui Lee , Stefan Winkler

Several passive microwave satellites orbit the Earth and measure rainfall. These measurements have the advantage of almost full global coverage when compared to surface rain gauges. However, these satellites have low temporal revisit and…

Computer Vision and Pattern Recognition · Computer Science 2013-04-12 Seyed Hamed Alemohammad , Dara Entekhabi

Fusing satellite observations and station measurements to estimate ground-level PM2.5 is promising for monitoring PM2.5 pollution. A geo-intelligent approach, which incorporates geographical correlation into an intelligent deep learning…

Atmospheric and Oceanic Physics · Physics 2018-01-31 Tongwen Li , Huanfeng Shen , Qiangqiang Yuan , Xuechen Zhang , Liangpei Zhang

The solar EUV irradiance is of key importance for space weather. Most of the time, however, surrogate quantities such as EUV indices have to be used by lack of continuous and spectrally resolved measurements of the irradiance. The ability…

Astrophysics · Physics 2008-11-26 T. Dudok de Wit , M. Kretzschmar , J. Aboudarham , P. -O. Amblard , F. Auchere , J. Lilensten

To address the challenge of autonomous UGV localization in GNSS-denied off-road environments,this study proposes a matching-based localization method that leverages BEV perception image and satellite map within a road similarity space to…

Robotics · Computer Science 2025-04-24 Zhenping Sun , Chuang Yang , Yafeng Bu , Bokai Liu , Jun Zeng , Xiaohui Li

Cosmic photons can be efficiently collected by broadband intensity mapping but information on their emission redshift and frequency is largely lost. We introduce a technique to statistically recover these otherwise collapsed dimensions by…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-12 Yi-Kuan Chiang , Brice Ménard , David Schiminovich

There is a pressing need to model X-ray Ultra-Violet (XUV: 1-30 nm) stellar irradiances, given the scarcity of current measurements. One of the measurable effects of a stellar cycle is the significant (more than one order of magnitude)…

Solar and Stellar Astrophysics · Physics 2025-04-14 E. Deliporanidou , G. Del Zanna , T. N. Woods , D. Woodraska

In this paper we study the problem of estimating snow cover in mountainous regions, that is, the spatial extent of the earth surface covered by snow. We argue that publicly available visual content, in the form of user generated photographs…

Multimedia · Computer Science 2016-11-17 Roman Fedorov , Alessandro Camerada , Piero Fraternali , Marco Tagliasacchi

For decades, agronomists have used remote sensing to monitor key crop parameters like biomass, fractional cover, and plant health. Vegetation indices (VIs) are popular for this purpose, primarily leveraging the spectral red edge in…

Geophysics · Physics 2022-08-16 Daniel Sousa , Christopher Small

We present the map of the artificial sky brightness in Europe in V band with a resolution of approximately 1 km. The aim is to understand the state of night sky pollution in Europe, to quantify the present situation and to allow future…

Astrophysics · Physics 2007-05-23 P. Cinzano , F. Falchi , C. D. Elvidge , K. E. Baugh

Mini-EUSO is the first mission of the JEM-EUSO program located on the International Space Station. One of the main goals of the mission is to provide valuable scientific data in view of future large missions devoted to study Ultra-High…

Modern livestock farming is increasingly data driven and frequently relies on efficient remote sensing to gather data over wide areas. High resolution satellite imagery is one such data source, which is becoming more accessible for farmers…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Jasper Brown , Cameron Clark , Sabrina Lomax , Khalid Rafique , Salah Sukkarieh

We present an all sky map of the diffuse Galactic far ultraviolet (1344-1786 Angstroms) background using GALEX data, covering 65% of the sky with 11.79 arcmin square pixels. We investigate the dependence of the background on Galactic…

Astrophysics of Galaxies · Physics 2015-06-17 Erika Hamden , David Schiminovich , Mark Seibert

Accurate soil moisture (SM) estimation is critical for precision agriculture, water resources management and climate monitoring. Yet, existing satellite SM products are too coarse (>1km) for farm-level applications. We present a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Ioannis Kontogiorgakis , Athanasios Askitopoulos , Iason Tsardanidis , Dimitrios Bormpoudakis , Ilias Tsoumas , Fotios Balampanis , Charalampos Kontoes

The geographic variation of terrestrial radiation can be exploited in epidemiological studies of the health effects of protracted low-dose exposure. Various methods have been applied to derive maps of this variation. We aimed to construct a…

Due to the increasing integration of solar power into the electrical grid, forecasting short-term solar irradiance has become key for many applications, e.g.~operational planning, power purchases, reserve activation, etc. In this context,…

Machine Learning · Statistics 2019-11-13 Jesus Lago , Karel De Brabandere , Fjo De Ridder , Bart De Schutter

In 1992 the Far-Ultraviolet Space Telescope (FAUST) provided measurements of the ultraviolet (140-180nm) diffuse sky background at high, medium, and low Galactic latitudes. A significant fraction of the detected radiation was found to be of…

Astrophysics · Physics 2009-10-30 Adolf N. Witt , Brian C. Friedmann , Timothy P. Sasseen

Chemical and morphological features of spores and pollens have been linked to changes in solar ultraviolet radiation (specifically UVB, 280-315 nm) at Earth's surface. Variation in UVB exposure as inferred from these features has been…

Atmospheric and Oceanic Physics · Physics 2016-08-29 Brian C. Thomas , Byron D. Goracke , Sean M. Dalton

The role of clouds is manifold in understanding the various events in the atmosphere, and also in studying the radiative balance of the earth. The conventional manner of such cloud analysis is performed mainly via satellite images. However,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-18 Shilpa Manandhar , Soumyabrata Dev , Yee Hui Lee , Yu Song Meng

Solar UV variability is extremely relevant for the stratospheric ozone. It has an impact on Earth's atmospheric structure and dynamics through radiative heating and ozone photochemistry. Our goal is to study the slope of the solar UV…

Solar and Stellar Astrophysics · Physics 2017-01-10 M. Lovric , F. Tosone , E. Pietropaolo , D. Del Moro , L. Giovannelli , C. Cagnazzo , F. Berrilli