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Spatial data fusion is a bottleneck when it meets the scale of 10 billion records. Cross-matching celestial catalogs is just one example of this. To challenge this, we present a framework that enables efficient cross-matching using Learned…

Instrumentation and Methods for Astrophysics · Physics 2025-04-16 Phu-Minh Lam , Dongwei Fan , Hongbo Wei , Jun Wang , Yu Zhou , Qi Ma , Baolong Zhang , Xiazhao Zhang , Yongheng Wang

In this work, we propose an end-to-end deep architecture that jointly learns to detect obstacles and estimate their depth for MAV flight applications. Most of the existing approaches either rely on Visual SLAM systems or on depth estimation…

Machine Learning · Computer Science 2018-02-26 Michele Mancini , Gabriele Costante , Paolo Valigi , Thomas A. Ciarfuglia

Accurate moving object segmentation is an essential task for autonomous driving. It can provide effective information for many downstream tasks, such as collision avoidance, path planning, and static map construction. How to effectively…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Jiadai Sun , Yuchao Dai , Xianjing Zhang , Jintao Xu , Rui Ai , Weihao Gu , Xieyuanli Chen

The global multi-object tracking (MOT) system can consider interaction, occlusion, and other ``visual blur'' scenarios to ensure effective object tracking in long videos. Among them, graph-based tracking-by-detection paradigms achieve…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Yan Gao , Haojun Xu , Nannan Wang , Jie Li , Xinbo Gao

Although the anchor-based detectors have taken a big step forward in pedestrian detection, the overall performance of algorithm still needs further improvement for practical applications, \emph{e.g.}, a good trade-off between the accuracy…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Chubin Zhuang , Zhen Lei , Stan Z. Li

We present the novel algorithmically regularised integration method MSTAR for high accuracy ($|\Delta E/E| \gtrsim 10^{-14}$) integrations of N-body systems using minimum spanning tree coordinates. The two-fold parallelisation of the…

Instrumentation and Methods for Astrophysics · Physics 2020-01-30 Antti Rantala , Pauli Pihajoki , Matias Mannerkoski , Peter H. Johansson , Thorsten Naab

A novel movable-element enabled simultaneously transmitting and reflecting surface (ME-STARS) communication system is proposed, where ME-STARS elements positions can be adjusted to enhance the degress-of-freedom for transmission and…

Signal Processing · Electrical Eng. & Systems 2024-12-31 Jingjing Zhao , Quan Zhou , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

Wide Area Motion Imagery (WAMI) yields high-resolution images with a large number of extremely small objects. Target objects have large spatial displacements throughout consecutive frames. This nature of WAMI images makes object tracking…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Hakki Motorcu , Hasan F. Ates , H. Fatih Ugurdag , Bahadir Gunturk

Although people spend most of their time indoors, outdoor tracking systems, such as the Global Positioning System (GPS), are predominantly used for location-based services. These systems are accurate outdoors, easy to use, and operate…

Emerging Technologies · Computer Science 2024-10-04 Alpha Diallo , Benoit Garbinato

Aims: We describe a fast, robust and automatic detection algorithm, TRUFAS, and apply it to data that are being expected from the CoRoT mission. Methods: The procedure proposed for the detection of planetary transits in light curves works…

Astrophysics · Physics 2009-11-16 C. Regulo , M. Almenara , R. Alonso , H. J. Deeg , T. Roca Cortes

Our ability to observe, detect, and characterize exoplanetary atmospheres has grown by leaps and bounds over the last 20 years, aided largely by developments in astronomical instrumentation; improvements in data analysis techniques; and an…

Earth and Planetary Astrophysics · Physics 2025-09-17 Nikolai Piskunov , Adam D. Rains , Linn Boldt-Christmas

Advancements in onboard computing mean remote sensing agents can employ state-of-the-art computer vision and machine learning at the edge. These capabilities can be leveraged to unlock new rare, transient, and pinpoint measurements of…

Robotics · Computer Science 2025-09-04 Itai Zilberstein , Alberto Candela , Steve Chien

We introduce a new kinematic method to investigate the structure of open star clusters. We adopt a hierarchical clustering algorithm that uses the celestial coordinates and the proper motions of the stars in the field of view of the cluster…

Astrophysics of Galaxies · Physics 2020-08-26 Heng Yu , Zheng-Yi Shao , Antonaldo Diaferio , Lu Li

Identifying moving objects is a crucial capability for autonomous navigation, consistent map generation, and future trajectory prediction of objects. In this paper, we propose a novel network that addresses the challenge of segmenting…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Neng Wang , Chenghao Shi , Ruibin Guo , Huimin Lu , Zhiqiang Zheng , Xieyuanli Chen

This paper introduces a novel multi-user mobile edge computing (MEC) scheme facilitated by the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) and the unmanned aerial vehicle (UAV). Unlike existing…

Information Theory · Computer Science 2024-09-16 Han Xiao , Xiaoyan Hu , Weile Zhang , Wenjie Wang , Kai-Kit Wong , Kun Yang

A comprehensive characterization of the detection efficiency of nine of the major asteroid surveys that have been active over the past two decades is presented. The detection efficiency is estimated on a nightly basis by comparing the…

Earth and Planetary Astrophysics · Physics 2016-03-16 Pasquale Tricarico

Characterizing the density of the thermosphere during geomagnetic storms is critical for both thermosphere modelling efforts and satellite operations. Accurate near-real time density estimates can feed into data assimilation schemes and…

Offline map matching involves aligning historical trajectories of mobile objects, which may have positional errors, with digital maps. This is essential for applications in intelligent transportation systems (ITS), such as route analysis…

Social and Information Networks · Computer Science 2025-05-30 Ruilin Xu , Yuchen Song , Kaijie Li , Xitong Gao , Kejiang Ye , Fan Zhang , Juanjuan Zhao

In this paper, we present a novel tightly-coupled probabilistic monocular visual-odometric Simultaneous Localization and Mapping algorithm using wheels and a MEMS gyroscope, which can provide accurate, robust and long-term localization for…

Robotics · Computer Science 2021-02-24 Meixiang Quan , Songhao Piao , Minglang Tan , Shi-Sheng Huang

Because of the electromagnetic radiation produced during the merger, compact binary coalescences with neutron stars may result in multi-messenger observations. In order to follow up on the gravitational-wave signal with electromagnetic…