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When performing robot/vehicle localization using ground penetrating radar (GPR) to handle adverse weather and environmental conditions, existing techniques often struggle to accurately estimate distances when processing B-scan images with…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Huaichao Wang , Xuanxin Fan , Ji Liu , Haifeng Li , Dezhen Song

The Southern Galactic Plane Survey (SGPS) is a 1.4 GHz radio polarization and HI survey in a large part of the inner Galactic plane at a resolution of about an arcmin. Depolarization and Faraday rotation of polarized radiation from diffuse…

We address the problem of ground-to-satellite image geo-localization, that is, estimating the camera latitude, longitude and orientation (azimuth angle) by matching a query image captured at the ground level against a large-scale database…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Yujiao Shi , Xin Yu , Liu Liu , Dylan Campbell , Piotr Koniusz , Hongdong Li

We present a new approach to measure the shapes of galaxies, a fundamental task in observational astronomy. This approach is based on the decomposition of a galaxy image into a series of orthogonal basis functions, or `shapelets'. Our…

Astrophysics · Physics 2017-08-23 Alexandre Refregier , Tzu-Ching Chang , David Bacon

We address the issue of adapting optical images-based edge detection techniques for use in Polarimetric Synthetic Aperture Radar (PolSAR) imagery. We modify the gravitational edge detection technique (inspired by the Law of Universal…

Computer Vision and Pattern Recognition · Computer Science 2015-08-25 Gilberto P. Silva Junior , Alejandro C. Frery , Sandra Sandri , Humberto Bustince , Edurne Barrenechea , Cédric Marco-Detchart

This paper introduces a novel method to estimate distance fields from noisy point clouds using Gaussian Process (GP) regression. Distance fields, or distance functions, gained popularity for applications like point cloud registration,…

Robotics · Computer Science 2023-12-21 Cedric Le Gentil , Othmane-Latif Ouabi , Lan Wu , Cedric Pradalier , Teresa Vidal-Calleja

A scalar gravity model is developed according the 'geometric conventionalist' approach introduced by Poincare (Einstein 1921, Poincare 1905, Reichenbach 1957, Gruenbaum1973). In principle this approach allows an alternative interpretation…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Jan Broekaert

The Sun's gravitational field deflects the apparent positions of close objects in accordance with the formulae of general relativity. Optical astrometry is used to test the prediction, but only with the stars close to the Sun and only…

General Relativity and Quantum Cosmology · Physics 2015-11-03 O. Titov , A. Girdiuk

Gravitational waves imprint apparent Doppler shifts on the frequency of photons propagating between an emitter and detector of light. This forms the basis of a method to detect gravitational waves using Doppler velocimetry between pairs of…

Atomic Physics · Physics 2015-06-25 Amar C. Vutha

We examine the challenge of estimating the location of a single ground-level image in the absence of GPS or other location metadata. Currently, geolocation systems are evaluated by measuring the Great Circle Distance between the predicted…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Michael J. Bianco , David Eigen , Michael Gormish

In this paper we very preliminarily investigate the possibility of measuring the post-Newtonian general relativistic gravitoelectric and gravitomagnetic components of the acceleration of gravity on the Earth, in continuous regime, with two…

General Relativity and Quantum Cosmology · Physics 2009-05-27 Lorenzo Iorio

Spaceborne gravity gradients are proposed in this paper to provide autonomous orbit determination capabilities for near Earth satellites. The gravity gradients contain useful position information which can be extracted by matching the…

Instrumentation and Methods for Astrophysics · Physics 2017-01-13 Xiucong Sun , Pei Chen , Christophe Macabiau , Chao Han

Interferometric measurements of optical path length differences of stars over large baselines can deliver extremely accurate astrometric data. The interferometer GRAVITY will simultaneously measure two objects in the field of view of the…

The analysis of time-sequence satellite images is a powerful tool in remote sensing; it is used to explore the statics and dynamics of the surface of the earth. Usually, the quality of multitemporal images is influenced by metrological…

Image and Video Processing · Electrical Eng. & Systems 2024-05-01 Hessah Albanwan

Accurately determining the geographic location where a single image was taken, visual geolocation, remains a formidable challenge due to the planet's vastness and the deceptive similarity among distant locations. We introduce GeoLocSFT, a…

Artificial Intelligence · Computer Science 2025-06-03 Qiang Yi , Lianlei Shan

We tackle the problem of image inpainting in the remote sensing domain. Remote sensing images possess high resolution and geographical variations, that render the conventional inpainting methods less effective. This further entails the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Advait Kumar , Dipesh Tamboli , Shivam Pande , Biplab Banerjee

In this article we outline the structure of a general relativistic astrometric model which has been developed to deduce the position and proper motion of stars from 1-microarcsecond optical observations made by an astrometric satellite…

Levitated mesoscopic particles hold the promise of revolutionizing gravity sensing by using quantum effects. However, conventional quantum gravimeters based on such systems fail to harness the intrinsic large-mass advantage of the…

Quantum Physics · Physics 2026-04-17 Xiao-Wen Huo , Jun-Hong An , Peng-Bo Li

This study focuses on evaluating three methods used to determine the theoretical gravity in the city of Cusco and their importance in distance education. The first method is based on Newton's law of universal gravitation, obtaining a…

Physics Education · Physics 2023-06-13 Ariatna Zamalloa , Gerson Cruz , Juan Camani , Valery Almanza , Bryan Gonzales , Diego Villa , Bruce Warthon

We show that the surface gravity of a transiting extrasolar planet can be calculated from only the spectroscopic orbit of its parent star and the analysis of its transit light curve. This does not require additional constraints, such as are…

Astrophysics · Physics 2009-06-23 John Southworth , Peter J. Wheatley , Giles Sams
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