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The Dynamic Vision Sensor (DVS) has many attributes that allow it to be well suited to the task for UAV Detection. This paper is the first to look at exploiting the features of an Event Camera solely for Drone Detection while combining it…

Image and Video Processing · Electrical Eng. & Systems 2019-04-30 Paul Kirkland

Though current object detection models based on deep learning have achieved excellent results on many conventional benchmark datasets, their performance will dramatically decline on real-world images taken under extreme conditions. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Yuexiong Ding , Xiaowei Luo

Spectropolarimetric reconstructions of the photospheric vector magnetic field are intrinsically limited by the so-called 180$^\circ$ ambiguity in the orientation of the transverse component. The successful launch and operation of Solar…

Solar and Stellar Astrophysics · Physics 2022-02-02 Gherardo Valori , Philipp Löschel , David Stansby , Etienne Pariat , Johann Hirzberger , Feng Chen

The accuracy of Milne-Eddington (ME) inversions, used to retrieve the magnetic field vector, depends upon the signal-to-noise ratio (SNR) of the spectro-polarimetric observations. The SNR in real observations varies from pixel to pixel,…

Solar and Stellar Astrophysics · Physics 2015-05-19 Sanjay Gosain , Sanjiv Kumar Tiwari , P. Venkatakrishnan

We have examined the spatial and polarimetric properties of these events using a variety of data from the Hinode spacecraft. We have also inferred the atmospheric stratification of the physical parameters by means of the inversion of the…

Solar and Stellar Astrophysics · Physics 2014-10-01 C. Quintero Noda , J. M. Borrero , D. Orozco Suárez , B. Ruiz Cobo

The Polarimetric and Helioseismic Imager (SO/PHI) onboard Solar Orbiter is a spectropolarimeter scanning the Fe I line at 617.3 nm, providing data of the solar photosphere. The same line is sampled by the Helioseismic and Magnetic Imager…

The complex structure and extensive details of solar spectral data, combined with a recent surge in volume, present significant processing challenges. To address this, we propose a deep learning-based compression technique using deep…

Machine Learning · Computer Science 2025-02-10 Jargalmaa Batmunkh , Yusuke Iida , Takayoshi Oba , Haruhisa Iijima

The Sunrise Chromospheric Infrared spectroPolarimeter (SCIP) has been developed for the third flight of the SUNRISE balloon-borne stratospheric solar observatory. The aim of SCIP is to reveal the evolution of three-dimensional magnetic…

We have developed an inversion procedure designed for high-resolution solar spectro-polarimeters, such as Hinode/SP or DKIST/ViSP. The procedure is based on artificial neural networks trained with profiles generated from random atmospheric…

Solar and Stellar Astrophysics · Physics 2021-08-18 Hector Socas-Navarro , Andres Asensio Ramos

This paper addresses the challenges of data scarcity and high acquisition costs in training robust object detection models for complex industrial environments, such as offshore oil platforms. Data collection in these hazardous settings…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Pedro Antonio Rabelo Saraiva , Enzo Ferreira de Souza , Joao Manoel Herrera Pinheiro , Thiago H. Segreto , Ricardo V. Godoy , Marcelo Becker

Modern radio interferometers enable high-resolution polarization imaging, offering insights into cosmic magnetism through Rotation Measure (RM) synthesis. Traditional 2+1D RM synthesis treats the 2D spatial and 1D spectral transforms…

Instrumentation and Methods for Astrophysics · Physics 2025-08-27 Victor Gustafsson , Marcus Brüggen , Cyril Tasse , Torsten Enßlin , Shane O'Sullivan , Francesco de Gasperin

Four different applications of spectral proper orthogonal decomposition (SPOD): low-rank reconstruction, denoising, frequency-time analysis, and prewhitening are demonstrated on large-eddy simulation data of a turbulent jet. SPOD-based…

Fluid Dynamics · Physics 2021-09-22 Akhil Nekkanti , Oliver T. Schmidt

The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an airborne astronomical observatory comprised of a 2.5-meter telescope mounted in the aft section of a Boeing 747SP aircraft. During routine operations, several instruments…

Instrumentation and Methods for Astrophysics · Physics 2014-12-18 R. Y. Shuping , R. Krzaczek , W. D. Vacca , M. Charcos-Llorens , W. T. Reach , R. Alles , M. Clarke , R. Melchiorri , J. Radomski , S. Shenoy , D. Sandel , E. B. Omelian

A joint collaborative project was recently developed to provide the Madrid Deep Space Communications Complex with a state-of-the-art wideband backend. This new backend provides from 100 MHz to 6 GHz of instantaneous bandwidth, and spectral…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 J. R. Rizzo , M. Gutiérrez Bustos , T. B. H. Kuiper , J. Cernicharo , I. Sotuela , A. Pedreira

Accurate remote sensing-based crop yield prediction remains a fundamental challenging task due to complex spatial patterns, heterogeneous spectral characteristics, and dynamic agricultural conditions. Existing methods often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Juli Zhang , Zeyu Yan , Jing Zhang , Qiguang Miao , Quan Wang

With the advancement of meteorological instruments, abundant data has become available. Current approaches are typically focus on single-variable, single-region tasks and primarily rely on deterministic modeling. This limits unified…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Kaiyi Xu , Junchao Gong , Zhiwang Zhou , Zhangrui Li , Yuandong Pu , Yihao Liu , Ben Fei , Fenghua Ling , Wenlong Zhang , Lei Bai

We study the possibility of consistent extension of MDI full-disc helioseismic campaigns with the growing data set of HMI observations. To do so, we down-sample and filter the HMI Dopplegrams so that the resulting spatial power spectrum is…

Solar and Stellar Astrophysics · Physics 2015-06-12 Michal Svanda , Hannah Schunker , Raymond Burston

Research into optical spiking neural networks (SNNs) has primarily focused on spiking devices, networks of excitable lasers or numerical modelling of large architectures, often overlooking key constraints such as limited optical power,…

The 2-m aperture Chinese Space Station Telescope (CSST), which observes at wavelengths ranging from 255 to 1000 nm, is expected to start science operations in 2024. An ultra-deep field observation program covering approximately 10 square…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-09 Shi-Yu Li , Yun-Long Li , Tianmeng Zhang , Jozsef Vinko , Eniko Regos , Xiaofeng Wang , Gaobo Xi , Hu Zhan

From optical sensors to microwave radars, leveraging the complementary strengths of remote sensing (RS) sensors is crucial for achieving dense spatio-temporal monitoring of our planet. In contrast, recent deep learning models, whether…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Gencer Sumbul , Chang Xu , Emanuele Dalsasso , Devis Tuia
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