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We present an automated approach for identifying magnetospheric regions using supervised machine learning techniques applied to Magnetospheric MultiScale mission data. Our method utilizes ion energy spectra, total magnetic field, total ion…

空间物理 · 物理学 2025-10-02 Narges Ahmadi , Robert Ergun , Xiangning Chu , Alex Chasapis , Victoria Wilder

The proper classification of plasma regions in near-Earth space is crucial to perform unambiguous statistical studies of fundamental plasma processes such as shocks, magnetic reconnection, waves and turbulence, jets and their combinations.…

等离子体物理 · 物理学 2020-09-02 Hugo Breuillard , Romain Dupuis , Alessandro Retino , Olivier Le Contel , Jorge Amaya , Giovanni Lapenta

With the growing amount of astronomical data, there is an increasing need for automated data processing pipelines, which can extract scientific information from observation data without human interventions. A critical aspect of these…

天体物理仪器与方法 · 物理学 2024-05-07 Peng Jia , Yu Song , Jiameng Lv , Runyu Ning

We investigate the properties of the ion sky maps produced by the Dual Ion Spectrometers (DIS) from the Fast Plasma Investigation (FPI). We have trained a convolutional neural network classifier to predict four regions crossed by the MMS on…

To address the issues of weak correlation between multi-view features, low recognition accuracy of small-scale targets, and insufficient robustness in complex scenarios in underground pipeline detection using 3D GPR, this paper proposes a…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Haotian Lv , Chao Li , Jiangbo Dai , Yuhui Zhang , Zepeng Fan , Yiqiu Tan , Dawei Wang , Binglei Xie

Space plasma data analysis and mission operations are aided by the categorization of plasma data between different regions of the magnetosphere and identification of the boundary regions between them. Without computerized automation this…

空间物理 · 物理学 2020-03-20 D. da Silva , A. Barrie , J. Shuster , C. Schiff , R. Attie , D. J. Gershman , B. Giles

Efficient deployment of deep learning models for aerial object detection on resource-constrained devices requires significant compression without com-promising performance. In this study, we propose a novel three-stage compression pipeline…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Melika Sabaghian , Mohammad Ali Keyvanrad , Seyyedeh Mahila Moghadami

This paper introduces a 3D point cloud sequence learning model based on inconsistent spatio-temporal propagation for LiDAR odometry, termed DSLO. It consists of a pyramid structure with a spatial information reuse strategy, a sequential…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Huixin Zhang , Guangming Wang , Xinrui Wu , Chenfeng Xu , Mingyu Ding , Masayoshi Tomizuka , Wei Zhan , Hesheng Wang

This thesis presents an innovative framework for the automated detection and characterization of galactic bars, pivotal structures in spiral galaxies, using the YOLO-OBB (You Only Look Once with Oriented Bounding Boxes) model. Traditional…

星系天体物理 · 物理学 2025-12-01 Rajit Shrivastava

In automated driving, highly accurate maps are commonly used to support and complement perception. These maps are costly to create and quickly become outdated as the traffic world is permanently changing. In order to support or replace the…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Annika Meyer , Christoph Stiller

All-sky OH airglow imaging provides two-dimensional observations of mesospheric gravity wave structure near ~87 km altitude. Ripple-scale instability signatures, characterized by 5-15 km horizontal wavelengths and short lifetimes, are…

大气与海洋物理 · 物理学 2026-05-13 Jiahui Hu , Alan Liu , Adriana Feener , Jing Li , Tao Li , Wenjun Dong

Manual identification of archaeological features in LiDAR imagery is labor-intensive, costly, and requires archaeological expertise. This paper shows how recent advancements in deep learning (DL) present efficient solutions for accurately…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Jincheng Zhang , William Ringle , Andrew R. Willis

We introduce an end-to-end pipeline that leverages a fine-tuned YOLO12l-seg model -- trained on over 500 annotated post-blast images -- to deliver real-time instance segmentation (Box [email protected] ~ 0.769, Mask [email protected] ~ 0.800 at ~ 15 FPS).…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Yukun Yang

High resolution (~1 arcminute) astronomical imaging at low frequency (below 150 MHz) has only recently become practical with the development of new calibration algorithms for removing ionospheric distortions. In addition to opening a new…

天体物理仪器与方法 · 物理学 2015-05-13 A. S. Cohen , H. J. A. Röttgering

Atmospheric turbulence degrades the performance of free-space optical (FSO) communication and remote sensing systems by introducing phase and intensity distortions. While a majority of research focuses on mitigating these effects to ensure…

Intensity scintillations of cosmic radio sources are used to study astrophysical plasmas like the ionosphere, the solar wind, and the interstellar medium. Normally these observations are relatively narrow band. With Low Frequency Array…

Predominant methods for image-based drone detection frequently rely on employing generic object detection algorithms like YOLOv5. While proficient in identifying drones against homogeneous backgrounds, these algorithms often struggle in…

计算机视觉与模式识别 · 计算机科学 2024-11-11 Tamara R. Lenhard , Andreas Weinmann , Stefan Jäger , Tobias Koch

We propose two deep learning models that fully automate shape parameterization for aerodynamic shape optimization. Both models are optimized to parameterize via deep geometric learning to embed human prior knowledge into learned geometric…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Zhen Wei , Pascal Fua , Michaël Bauerheim

We have used an existing, robotic, multi-lens, all-sky camera system, coupled to a dedicated data reduction pipeline, to automatically determine orbital parameters of satellites in Low Earth Orbit (LEO). Each of the fixed cameras has a…

天体物理仪器与方法 · 物理学 2020-04-20 T. P. G. Wijnen , R. Stuik , M. Rodenhuis , M. Langbroek , P. Wijnja
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