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Anomalies represent deviations from the intended system operation and can lead to decreased efficiency as well as partial or complete system failure. As the causes of anomalies are often unknown due to complex system dynamics, efficient…

Machine Learning · Computer Science 2021-08-31 Benjamin Lindemann , Benjamin Maschler , Nada Sahlab , Michael Weyrich

Since the late 1950s, when the first artificial satellite was launched, the number of Resident Space Objects has steadily increased. It is estimated that around one million objects larger than one cm are currently orbiting the Earth, with…

Earth and Planetary Astrophysics · Physics 2024-07-30 Francisco Caldas , Cláudia Soares

Satellite images have the potential to detect volcanic deformation prior to eruptions, but while a vast number of images are routinely acquired, only a small percentage contain volcanic deformation events. Manual inspection could miss these…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Robert Gabriel Popescu , Nantheera Anantrasirichai , Juliet Biggs

We consider the problem in Synthetic Aperture RADAR (SAR) of identifying and classifying objects located on the ground by means of Convolutional Neural Networks (CNNs). Specifically, we adopt a single scattering approximation to classify…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Romina Gaburro , Patrick Healy , Shraddha Naidu , Clifford Nolan

Tracking the 6D pose of objects in video sequences is important for robot manipulation. This task, however, introduces multiple challenges: (i) robot manipulation involves significant occlusions; (ii) data and annotations are troublesome…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Bowen Wen , Chaitanya Mitash , Baozhang Ren , Kostas E. Bekris

Detecting anomalies in multivariate time-series data is essential in many real-world applications. Recently, various deep learning-based approaches have shown considerable improvements in time-series anomaly detection. However, existing…

Machine Learning · Computer Science 2022-01-31 Kyeong-Joong Jeong , Yong-Min Shin

In this paper, an autonomous method of satellite detection and tracking in images is implemented using optical flow. Optical flow is used to estimate the image velocities of detected objects in a series of space images. Given that most…

Instrumentation and Methods for Astrophysics · Physics 2022-04-15 David Zuehlke , Daniel Posada , Madhur Tiwari , Troy Henderson

AI-generated imagery has reached near-photorealistic fidelity, yet this technology poses significant threats to information security and societal trust. Existing deepfake detection methods often exhibit limited robustness in open-world…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Wenwei Xie , Jie Yin , Lu Ma , Xuansong Zhang , Wenjing Zhang

Satellite networks with dense low Earth orbit (LEO) constellations rely on aggressive spectrum reuse, making co-channel interference a dominant and rapidly varying factor that limits link availability and complicates spectrum sharing and…

Information Theory · Computer Science 2026-05-11 Xiucheng Wang , Nan Cheng , Zhisheng Yin , Conghao Zhou , Ruijin Sun

Digital tracking detects faint solar system bodies by stacking many images along hypothesized orbits, revealing objects that are undetectable in every individual exposure. Previous searches have been restricted to small areas and short time…

Earth and Planetary Astrophysics · Physics 2025-10-01 Alex Geringer-Sameth , Nathan Golovich , Keita Iwabuchi

Accurate assessment of post-disaster damage is essential for prioritizing emergency response, yet current practices rely heavily on manual interpretation of satellite imagery.This approach is time-consuming, subjective, and difficult to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Sreesritha Sai , Sai Venkata Suma Sreeja , Sai Sri Deepthi , Nikhil

Intelligent detection and tracking of the vessels on the sea play a significant role in conducting traffic avoidance in unmanned surface vessels(USV). Current traffic avoidance software relies mainly on Automated Identification System (AIS)…

Artificial Intelligence · Computer Science 2024-05-21 Srikanth Vemula , Eulises Franco , Michael Frye

Ensuring urban safety is an essential part of developing sustainable cities. An urban safety map can assist cities to prevent future crimes. However, mapping is costly in terms of both time and money due to the need for manual data…

Computers and Society · Computer Science 2018-12-18 Alameen Najjar , Shun'ichi Kaneko , Yoshikazu Miyanaga

Obstacle avoidance is a key feature for safe Unmanned Aerial Vehicle (UAV) navigation. While solutions have been proposed for static obstacle avoidance, systems enabling avoidance of dynamic objects, such as drones, are hard to implement…

Robotics · Computer Science 2018-08-02 Adrian Carrio , Sai Vemprala , Andres Ripoll , Srikanth Saripalli , Pascual Campoy

We present a novel method for extracting moving objects from TESS data using machine learning. Our approach uses two stacked 3D U-Nets with skip connections, which we call a W-Net, to filter background and identify pixels containing moving…

Earth and Planetary Astrophysics · Physics 2026-05-13 Brian P. Powell , Jorge Martinez-Palomera , Amy Tuson , Christina Hedges , Jessie Dotson , Jordan Caraballo-Vega

Detection of artificial objects from underwater imagery gathered by Autonomous Underwater Vehicles (AUVs) is a key requirement for many subsea applications. Real-world AUV image datasets tend to be very large and unlabelled. Furthermore,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Suraj Bijjahalli , Oscar Pizarro , Stefan B. Williams

Astrometric measurements are significantly challenged by the relative motion between the point source and the telescope, primarily due to the difficulty in accurately determining the position of the point source at the mid-exposure moment.…

Instrumentation and Methods for Astrophysics · Physics 2025-03-11 Linpeng Wu , Qingfeng Zhang , Valéry Lainey , Nick Cooper , Nicolas Rambaux , Weiheng Zhu

Recently, many detection methods based on convolutional neural networks (CNNs) have been proposed for image splicing forgery detection. Most of these detection methods focus on the local patches or local objects. In fact, image splicing…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Bo Liu , Ranglei Wu , Xiuli Bi , Bin Xiao , Weisheng Li , Guoyin Wang , Xinbo Gao

When the equipment is working, real-time collection of environmental sensor data for anomaly detection is one of the key links to prevent industrial process accidents and network attacks and ensure system security. However, under the…

Machine Learning · Computer Science 2024-03-25 Zilong Shao

Line segments are ubiquitous in our human-made world and are increasingly used in vision tasks. They are complementary to feature points thanks to their spatial extent and the structural information they provide. Traditional line detectors…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Rémi Pautrat , Daniel Barath , Viktor Larsson , Martin R. Oswald , Marc Pollefeys