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In this work, we consider direction-of-arrival (DoA) estimation in the presence of extreme noise using Deep Learning (DL). In particular, we introduce a Convolutional Neural Network (CNN) that is trained from mutli-channel data of the true…

Signal Processing · Electrical Eng. & Systems 2021-09-08 Georgios K. Papageorgiou , Mathini Sellathurai , Yonina C. Eldar

Autonomous underwater vehicles (AUVs) are sophisticated robotic platforms crucial for a wide range of applications. The accuracy of AUV navigation systems is critical to their success. Inertial sensors and Doppler velocity logs (DVL) fusion…

Robotics · Computer Science 2025-12-16 Guy Damari , Itzik Klein

Quadrotor unmanned aerial vehicles (UAVs) have been developed and applied into several types of workplaces, such as warehouses, which usually involve human workers. The co-existence of human and UAVs brings new challenges to UAVs: potential…

Signal Processing · Electrical Eng. & Systems 2020-08-13 Wansong Liu , Zhu Chen , Minghui Zheng

Advancements in numerical weather prediction models have accelerated, fostering a more comprehensive understanding of physical phenomena pertaining to the dynamics of weather and related computing resources. Despite these advancements,…

Atmospheric and Oceanic Physics · Physics 2021-11-04 Alqamah Sayeed , Yunsoo Choi , Jia Jung , Yannic Lops , Ebrahim Eslami , Ahmed Khan Salman

Magnetic flux generated within the solar interior emerges to the surface, forming active regions (ARs) and sunspots. Flux emergence may trigger explosive events, such as flares and coronal mass ejections and therefore understanding…

Solar and Stellar Astrophysics · Physics 2020-11-04 Dattaraj B. Dhuri , Shravan M. Hanasoge , Aaron C. Birch , Hannah Schunker

On-board estimation of the pose of an uncooperative target spacecraft is an essential task for future on-orbit servicing and close-proximity formation flying missions. However, two issues hinder reliable on-board monocular vision based pose…

Computer Vision and Pattern Recognition · Computer Science 2018-09-20 Sumant Sharma , Connor Beierle , Simone D'Amico

Deeper understanding of the properties of dark energy via SNIa surveys, and to a large extent other methods as well, will require unprecedented photometric precision. Laboratory and solar photometry and radiometry regularly achieve…

Instrumentation and Methods for Astrophysics · Physics 2012-07-10 Justin E. Albert , Maxwell H. Fagin , Yorke J. Brown , Christopher W. Stubbs , Nikita A. Kuklev , Alexander J. Conley

Solar flare forecasting mainly relies on photospheric magnetograms and associated physical features to predict forthcoming flares. However, it is believed that flare initiation mechanisms often originate in the chromosphere and the lower…

Solar and Stellar Astrophysics · Physics 2024-10-22 Grégoire Francisco , Sabrina Guastavino , Teresa Barata , João Fernandes , Dario Del Moro

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

Robotics · Computer Science 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

We present an Active Learning (AL) strategy for re-using a deep Convolutional Neural Network (CNN)-based object detector on a new dataset. This is of particular interest for wildlife conservation: given a set of images acquired with an…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Benjamin Kellenberger , Diego Marcos , Sylvain Lobry , Devis Tuia

Unmanned aerial vehicles (UAVs) have the potential to greatly aid Internet of Things (IoT) networks in mission-critical data collection, thanks to their flexibility and cost-effectiveness. However, challenges arise due to the UAV's limited…

Information Theory · Computer Science 2023-11-14 Mengjie Yi , Xijun Wang , Juan Liu , Yan Zhang , Ronghui Hou

Optimizing the design of solar cell metallizations is one of the ways to improve the performance of solar cells. Recently, it has been shown that Topology Optimization (TO) can be used to design complex metallization patterns for solar…

Computational Engineering, Finance, and Science · Computer Science 2021-04-12 Sumit Bhattacharya , Devanshu Arya , Debjani Bhowmick , Rajat Mani Thomas , Deepak Kumar Gupta

With the wide applications of Unmanned Aerial Vehicle (UAV) in engineering such as the inspection of the electrical equipment from distance, the demands of efficient object detection algorithms for abundant images acquired by UAV have also…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Meng Lan , Yipeng Zhang , Lefei Zhang , Bo Du

The recent advances in the flight capability of remotely piloted aerial vehicles (here after referred to as UAVs) have afforded the astronomical community the possibility of a new telescope calibration technique: UAV-based calibration.…

Instrumentation and Methods for Astrophysics · Physics 2022-04-01 A. M. Brown , J. Muller , M. de Naurois , P. Clark

Aerial scene classification, which aims to semantically label remote sensing images in a set of predefined classes (e.g., agricultural, beach, and harbor), is a very challenging task in remote sensing due to high intra-class variability and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Fabio A. Faria , Luiz H. Buris , Luis A. M. Pereira , Fábio A. M. Cappabianco

The topology and dynamics of the solar chromosphere are greatly affected by the presence of magnetic fields. The magnetic field can be inferred by analyzing polarimetric observations of spectral lines. Polarimetric signals induced by…

Solar and Stellar Astrophysics · Physics 2019-09-11 C. J. Díaz Baso , J. de la Cruz Rodríguez , S. Danilovic

The Vera C. Rubin Observatory will, over a period of 10 years, repeatedly survey the southern sky. To ensure that images generated by Rubin meet the quality requirements for precision science, the observatory will use an Active Optics…

A web-based, interactive system for the remote processing of imaging data sets (i.e., EUV, X-ray and microwave) and the automated interactive detection of wave and oscillatory phenomena in the solar atmosphere is presented.The system…

Solar and Stellar Astrophysics · Physics 2015-05-19 R. A. Sych , V. M. Nakariakov , S. Anfinogentov , L. Ofman

Continuous physical domains are important for scientific investigations of dynamical processes in the atmosphere. However, missing data arising from operational constraints and adverse environmental conditions pose significant challenges to…

Atmospheric and Oceanic Physics · Physics 2025-09-03 Jiahui Hu , Wenjun Dong , Alan Z. Liu

Accurate precipitation estimation is critical for hydrological applications, especially in the Global South where ground-based observation networks are sparse and forecasting skill is limited. Existing satellite-based precipitation products…