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Context. Generating a synthetic dataset of meteoroid orbits is a crucial step in analysing the probabilities of random grouping of meteoroid orbits in automated meteor shower surveys. Recent works have shown the importance of choosing a low…

地球与行星天体物理 · 物理学 2017-06-26 Denis Vida , Peter G. Brown , Margaret Campbell-Brown

We present GeoSynth, a model for synthesizing satellite images with global style and image-driven layout control. The global style control is via textual prompts or geographic location. These enable the specification of scene semantics or…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Srikumar Sastry , Subash Khanal , Aayush Dhakal , Nathan Jacobs

We present a technique to synthesise telluric absorption and emission features both for in-situ wavelength calibration and for their removal from astronomical spectra. While the presented technique is applicable for a wide variety of…

天体物理仪器与方法 · 物理学 2015-05-19 A. Seifahrt , H. U. Käufl , G. Zängl , J. L. Bean , M. J. Richter , R. Siebenmorgen

In this work, we use multi-view aerial images to reconstruct the geometry, lighting, and material of facades using neural signed distance fields (SDFs). Without the requirement of complex equipment, our method only takes simple RGB images…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Zixuan Xie , Rengan Xie , Rong Li , Kai Huang , Pengju Qiao , Jingsen Zhu , Xu Yin , Qi Ye , Wei Hua , Yuchi Huo , Hujun Bao

We focus on estimating the 3D orientation of the ground plane from a single image. We formulate the problem as an inter-mingled multi-task prediction problem by jointly optimizing for pixel-wise surface normal direction, ground plane…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Yunze Man , Xinshuo Weng , Xi Li , Kris Kitani

We introduce a transformer-based neural network to generate high-resolution (3km) synthetic radar reflectivity fields at scale from geostationary satellite imagery. This work aims to enhance short-term convective-scale forecasts of…

信号处理 · 电气工程与系统科学 2024-07-02 Jason Stock , Kyle Hilburn , Imme Ebert-Uphoff , Charles Anderson

Seamless integration of both aerial and street view images remains a significant challenge in neural scene reconstruction and rendering. Existing methods predominantly focus on single domain, limiting their applications in immersive…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Lihan Jiang , Kerui Ren , Mulin Yu , Linning Xu , Junting Dong , Tao Lu , Feng Zhao , Dahua Lin , Bo Dai

In the 21st century, Aerial and satellite images are information rich. They are also complex to analyze. For GIS systems, many features require fast and reliable extraction of open space area from high resolution satellite imagery. In this…

计算机视觉与模式识别 · 计算机科学 2022-02-03 B. G. Kodge , P. S. Hiremath

This paper presents a new approach for synthesizing a novel street-view panorama given an overhead satellite image. Taking a small satellite image patch as input, our method generates a Google's omnidirectional street-view type panorama, as…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Yujiao Shi , Dylan Campbell , Xin Yu , Hongdong Li

The identification and modeling of the terrain from point cloud data is an important component of Terrestrial Remote Sensing (TRS) applications. The main focus in terrain modeling is capturing details of complex geological features of…

计算机视觉与模式识别 · 计算机科学 2019-10-14 Lee Easson , Alireza Tavakkoli , Jonathan Greenberg

Google Earth is the most popular virtual globe in use today. Given its popularity and usefulness, most users do not pay close attention to the positional accuracy of the imagery, and there is limited information on the subject. This study…

Today the global averaged civilian positioning accuracy is still at meter level for all existing Global Navigation Satellite Systems (GNSSs), and the civilian positioning performance is even worse in regions such as the Arctic region and…

信号处理 · 电气工程与系统科学 2023-01-03 Hongzhao Zheng , Mohamed Atia , Halim Yanikomeroglu

Digital terrain maps (DTMs) are an important part of planetary exploration, enabling operations such as terrain relative navigation during entry, descent, and landing for spacecraft and aiding in navigation on the ground. As robotic…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Josef X. Biberstein , Guilherme Cavalheiro , Juyeop Han , Sertac Karaman

The neutral hydrogen 21cm line is potentially a very powerful probe of the observable universe, and a number of on-going experiments are trying to detect it at cosmological distances. However, the presence of strong foreground radiations…

宇宙学与河外天体物理 · 物理学 2019-06-14 Qizhi Huang , Fengquan Wu , Xuelei Chen

The absolute depth values of surrounding environments provide crucial cues for various assistive technologies, such as localization, navigation, and 3D structure estimation. We propose that accurate depth estimated from panoramic images can…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Junho Kim , Eun Sun Lee , Young Min Kim

We present a novel method for synthesizing both temporally and geometrically consistent street-view panoramic video from a single satellite image and camera trajectory. Existing cross-view synthesis approaches focus on images, while video…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Zuoyue Li , Zhenqiang Li , Zhaopeng Cui , Rongjun Qin , Marc Pollefeys , Martin R. Oswald

We consider the problem of active learning in the context of spatial sampling for level set estimation (LSE), where the goal is to localize all regions where a function of interest lies above/below a given threshold as quickly as possible.…

机器学习 · 计算机科学 2025-07-24 Phillip Kearns , Bruno Jedynak , John Lipor

Aperture synthesis techniques are increasingly being employed to provide high angular resolution images in situations where the object of interest is in the near field of the interferometric array. Previous work has showed that an aperture…

天体物理仪器与方法 · 物理学 2023-07-19 David F. Buscher

We proposed a simple yet effective morphological approach to convert a sparse Digital Elevation Model (DEM) to a dense Digital Elevation Model. The conversion is similar to that of the generation of high-resolution DEM from its…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Geetika Barman , B. S. Daya Sagar