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Mobile mapping, in particular, Mobile Lidar Scanning (MLS) is increasingly widespread to monitor and map urban scenes at city scale with unprecedented resolution and accuracy. The resulting point cloud sampling of the scene geometry can be…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Teng Wu , Bruno Vallet , Cédric Demonceaux

Remote sensing plays a crucial role in monitoring Earth's ecosystems, yet satellite-derived data often suffer from limited spatial resolution, restricting their applicability in atmospheric modeling and climate research. In this work, we…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Christopher Ummerle , Antonio Giganti , Sara Mandelli , Paolo Bestagini , Stefano Tubaro

Soil moisture dynamics provide an indicator of soil health that scientists model via drydown curves. The typical modelling process requires the soil moisture time series to be manually separated into drydown segments and then exponential…

应用统计 · 统计学 2024-07-31 Mengyi Gong , Rebecca Killick , Christopher Nemeth , John Quinton

Small unmanned aircraft systems (sUAS) have allowed for thousands of aerial images to be captured at a moments notice. The simplicity and relative low cost of flying a sUAS has provided remote sensing practitioners, both commercial and…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Baabak Mamaghani , Carl Salvaggio

Satellite-based remote sensing has revolutionised the way we address global challenges. Huge quantities of Earth Observation (EO) data are generated by satellite sensors daily, but processing these large datasets for use in ML pipelines is…

An experimental protocol is developed to directly measure the new material functions revealed by medium amplitude parallel superposition (MAPS) rheology. This experimental protocol measures the medium amplitude response of a material to a…

软凝聚态物质 · 物理学 2022-02-10 Kyle R. Lennon , Michela Geri , Gareth H. McKinley , James W. Swan

Absorption of terahertz radiation by atmospheric water vapor is a serious impediment for radio astronomy and for long-distance communications. Transmission in the THz regime is dependent almost exclusively on atmospheric precipitable water…

天体物理仪器与方法 · 物理学 2014-01-30 Jonathan Y. Suen , Michael T. Fang , Philip M. Lubin

Soil moisture conditions can influence the evolution of a tropical cyclone (TC) that is partially or completely over land. Hence, better constraining soil moisture initial conditions in a numerical weather prediction model can potentially…

大气与海洋物理 · 物理学 2023-08-01 Jana Kolassa , Manisha Ganeshan , Erica McGrath-Spangler , Oreste Reale , Rolf Reichle , Sara Q. Zhang

We model a 21 cm intensity mapping survey in the redshift range 0.01<z<1.5 designed to simulate the skies as seen by future radio telescopes such as the Square Kilometre Array (SKA), including instrumental noise and Galactic foregrounds. In…

宇宙学与河外天体物理 · 物理学 2015-03-27 L. Wolz , F. B. Abdalla , C. Blake , J. R. Shaw , E. Chapman , S. Rawlings

Infrared solar occultation measurements are well established for remote sensing of Earth's atmosphere, and the corresponding primary transit spectroscopy has turned out to be valuable for characterization of extrasolar planets. Our…

地球与行星天体物理 · 物理学 2018-03-15 Franz Schreier , Steffen Städt , Pascal Hedelt , Mareike Godolt

A new approach is proposed, namely CSSF MIMO radar, which applies the technique of step frequency (SF) to compressive sensing (CS) based multi-input multi-output (MIMO) radar. The proposed approach enables high resolution range, angle and…

信息论 · 计算机科学 2015-03-17 Yao Yu , Athina P. Petropulu , H. Vincent Poor

Estimating the landscape and soil freeze-thaw (FT) dynamics in the Northern Hemisphere is crucial for understanding permafrost response to global warming and changes in regional and global carbon budgets. A new framework is presented for…

机器学习 · 计算机科学 2024-07-08 Divya Kumawat , Ardeshir Ebtehaj , Xiaolan Xu , Andreas Colliander , Vipin Kumar

We propose a new method for retrieving the atmospheric number density profile in the lower thermosphere, based on the X-ray Earth occultation of the Crab Nebula with the Hard X-ray Modulation Telescope (\emph{Insight}-HXMT) Satellite. The…

地球与行星天体物理 · 物理学 2023-05-08 Daochun Yu , Haitao Li , Baoquan Li , Mingyu Ge , Youli Tuo , Xiaobo Li , Wangchen Xue , Yaning Liu

The 7.3 GHz (350 MHz bandwidth) Earth Observation Satellite (EOS) band, while not protected, is used for Passive Sea Surface Temperature (P-SST) measurements that provide important data for weather forecasts, coastal disaster prevention,…

信号处理 · 电气工程与系统科学 2024-12-17 Elliot Eichen , Arvind Aradhya , Oren Collaco

Large-scale multi-session LiDAR mapping is essential for a wide range of applications, including surveying, autonomous driving, crowdsourced mapping, and multi-agent navigation. However, existing approaches often struggle with data…

机器人学 · 计算机科学 2024-08-08 Xiangcheng Hu , Jin Wu , Jianhao Jiao , Binqian Jiang , Wei Zhang , Wenshuo Wang , Ping Tan

Recently, location-based services (LBS) have steered attention to indoor positioning systems (IPS). WLAN-based IPSs relying on received signal strength (RSS) measurements such as fingerprinting are gaining popularity due to proven high…

网络与互联网体系结构 · 计算机科学 2019-07-02 Erick Schmidt , David Akopian

Low Earth Orbit satellite Internet has recently been deployed, providing worldwide service with non-terrestrial networks. With the large-scale deployment of both non-terrestrial and terrestrial networks, limited spectrum resources will not…

网络与互联网体系结构 · 计算机科学 2024-05-27 Haoxuan Yuan , Zhe Chen , Zheng Lin , Jinbo Peng , Zihan Fang , Yuhang Zhong , Zihang Song , Yue Gao

Accurate, detailed, and timely crop type mapping is a very valuable information for the institutions in order to create more accurate policies according to the needs of the citizens. In the last decade, the amount of available data…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Valentin Barriere , Martin Claverie

In an era of frequent extreme weather and global warming, obtaining precise, fine-grained near-surface weather forecasts is increasingly essential for human activities. Downscaling (DS), a crucial task in meteorological forecasting, enables…

大气与海洋物理 · 物理学 2024-08-21 Zili Liu , Hao Chen , Lei Bai , Wenyuan Li , Wanli Ouyang , Zhengxia Zou , Zhenwei Shi

European satellite missions Sentinel-1 (S1) and Sentinel-2 (S2) provide at highspatial resolution and high revisit time, respectively, radar and optical imagesthat support a wide range of Earth surface monitoring tasks such as LandUse/Land…

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