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Related papers: SeaSpoofFinder -- Potential GNSS Spoofing Event De…

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Cost-effective localization methods for Autonomous Underwater Vehicle (AUV) navigation are key for ocean monitoring and data collection at high resolution in time and space. Algorithmic solutions suitable for real-time processing that…

Robotics · Computer Science 2025-03-12 Ellen Davenport , Khoa Nguyen , Junsu Jang , Clair Ma , Sean Fish , Luc Lenain , Florian Meyer

We report on a coastal experiment to study GPS L1 reflections. The campaign was carried out at the Barcelona Port breaker and dedicated to the development of sea-state retrieval algorithms. An experimental system built for this purpose…

Atmospheric and Oceanic Physics · Physics 2015-06-26 F. Soulat , M. Caparrini , O. Germain , P. Lopez-Dekker , M. Taani , G. Ruffini

As the worlds predominant navigation system GPS is critical to modern life, finding applications in diverse areas like information security, healthcare, marketing, and power and water grid management. Unfortunately this diversification has…

Signal Processing · Electrical Eng. & Systems 2020-05-19 Mahsa Foruhandeh , Abdullah Z. Mohammed , Gregor Kildow , Paul Berges , Ryan Gerdes

Location information is critical to a wide-variety of navigation and tracking applications. Today, GPS is the de-facto outdoor localization system but has been shown to be vulnerable to signal spoofing attacks. Inertial Navigation Systems…

Cryptography and Security · Computer Science 2018-08-13 Sashank Narain , Aanjhan Ranganathan , Guevara Noubir

We report the first systematic evidence of hallucination in AI models of fluid dynamics, demonstrated in the canonical problem of hydrodynamically unstable transport known as viscous fingering. AI-based modeling of flow with instabilities…

Fluid Dynamics · Physics 2026-04-23 Ramdhan Wibawa , Birendra Jha

Face anti-spoofing (FAS) is indispensable for a face recognition system. Many texture-driven countermeasures were developed against presentation attacks (PAs), but the performance against unseen domains or unseen spoofing types is still…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Chih-Jung Chang , Yaw-Chern Lee , Shih-Hsuan Yao , Min-Hung Chen , Chien-Yi Wang , Shang-Hong Lai , Trista Pei-Chun Chen

GPS spoofing poses a growing threat to aviation by falsifying satellite signals and misleading aircraft navigation systems. This paper demonstrates a proof-of-concept spoofing detection strategy based on analyzing satellite Carrier-to-Noise…

Cryptography and Security · Computer Science 2025-10-21 Vienna Li , Justin Villa , Dan Diessner , Jayson Clifford , Laxima Niure Kandel

Maritime environments often present hazardous situations due to factors such as moving ships or buoys, which become obstacles under the influence of waves. In such challenging conditions, the ability to detect and track potentially…

Robotics · Computer Science 2024-12-20 Jiwon Choi , Dongjin Cho , Gihyeon Lee , Hogyun Kim , Geonmo Yang , Joowan Kim , Younggun Cho

The availability of cheap GNSS spoofers can prevent safe navigation and tracking of road users. It can lead to loss of assets, inaccurate fare estimation, enforcing the wrong speed limit, miscalculated toll tax, passengers reaching an…

Cryptography and Security · Computer Science 2023-10-24 Aneet Kumar Dutta , Sebastian Brandt , Mridula Singh

For reliable operation on urban roads, navigation using the Global Navigation Satellite System (GNSS) requires both accurately estimating the positioning detail from GNSS pseudorange measurements and determining when the estimated position…

Robotics · Computer Science 2021-10-26 Shubh Gupta , Grace X. Gao

In recent years, generative adversarial networks (GANs) and its variants have achieved unprecedented success in image synthesis. They are widely adopted in synthesizing facial images which brings potential security concerns to humans as the…

Cryptography and Security · Computer Science 2020-07-17 Run Wang , Felix Juefei-Xu , Lei Ma , Xiaofei Xie , Yihao Huang , Jian Wang , Yang Liu

Illegal, unreported, and unregulated (IUU) fishing poses a global threat to ocean habitats. Publicly available satellite data offered by NASA, the European Space Agency (ESA), and the U.S. Geological Survey (USGS), provide an opportunity to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Patrick Beukema , Favyen Bastani , Yawen Zheng , Piper Wolters , Henry Herzog , Joe Ferdinando

In recent years fingerprinting of various physical and logical devices has been proposed with the goal of uniquely identifying users or devices of mainstream IT systems such as PCs, Laptops and smart phones. On the other hand, the…

Cryptography and Security · Computer Science 2017-12-06 Chuadhry Mujeeb Ahmed , Aditya Mathur , Martin Ochoa

STREAMFINDER is a new algorithm that we have built to detect stellar streams in an automated and systematic way in astrophysical datasets that possess any combination of positional and kinematic information. In Paper I, we introduced the…

Astrophysics of Galaxies · Physics 2018-06-06 Khyati Malhan , Rodrigo A. Ibata , Bertrand Goldman , Nicolas F. Martin , Eugene Magnier , Kenneth Chambers

Increasing numbers of mobile computing devices, user-portable, or embedded in vehicles, cargo containers, or the physical space, need to be aware of their location in order to provide a wide range of commercial services. Most often, mobile…

Cryptography and Security · Computer Science 2010-01-05 P. Papadimitratos , A. Jovanovic

Surveillance footage represents a valuable resource and opportunities for conducting gait analysis. However, the typical low quality and high noise levels in such footage can severely impact the accuracy of pose estimation algorithms, which…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Andrei Niculae , Andy Catruna , Adrian Cosma , Daniel Rosner , Emilian Radoi

Microseismic event detection and location are two primary components in microseismic monitoring, which offers us invaluable insights into the subsurface during reservoir stimulation and evolution. Conventional approaches for event detection…

Geophysics · Physics 2024-10-02 Yuanyuan Yang , Claire Birnie , Tariq Alkhalifah

Automatic Ship Identification Systems (AIS) play a key role in monitoring maritime traffic, providing the data necessary for analysis and decision-making. The integrity of this data is fundamental to the correctness of infer-ence and…

Cryptography and Security · Computer Science 2025-01-08 Adam Kiersztyn , Dariusz Czerwiński , Aneta Oniszczuk-Jastrzabek , Ernest Czermański , Agnieszka Rzepka

Pseudo-labeling is significant for semi-supervised instance segmentation, which generates instance masks and classes from unannotated images for subsequent training. However, in existing pipelines, pseudo-labels that contain valuable…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Jie Hu , Chen Chen , Liujuan Cao , Shengchuan Zhang , Annan Shu , Guannan Jiang , Rongrong Ji

The observation of the advancing and retreating pattern of polar sea ice cover stands as a vital indicator of global warming. This research aims to develop a robust, effective, and scalable system for classifying polar sea ice as…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Jurdana Masuma Iqrah , Wei Wang , Hongjie Xie , Sushil Prasad
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