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Related papers: Polarized Skylight Navigation System (PSNS)/ GNSS/…

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In the maritime sector, safe vessel navigation is of great importance, particularly in congested harbors and waterways. The focus of this work is to estimate the distance between an object of interest and potential obstacles using a…

Robotics · Computer Science 2021-08-10 Jonas le Fevre Sejersen , Rui Pimentel de Figueiredo , Erdal Kayacan

A novel GPASS architecture is proposed for jointly learning pinching beamforming and transmit beamforming in pinching antenna systems (PASS). The GPASS is with a staged architecture, where the positions of pinching antennas are first…

Signal Processing · Electrical Eng. & Systems 2025-02-04 Jia Guo , Yuanwei Liu , Arumugam Nallanathan

We introduce Structure Informed Neural Networks (SINNs), a novel method for solving boundary observation problems involving PDEs. The SINN methodology is a data-driven framework for creating approximate solutions to internal variables on…

Fluid Dynamics · Physics 2023-10-31 Jakub Horsky , Andrew Wynn

Obtaining high-quality magnetic and velocity fields through Stokes inversion is crucial in solar physics. In this paper, we present a new deep learning method, named Stacked Deep Neural Networks (SDNN), for inferring line-of-sight (LOS)…

Solar and Stellar Astrophysics · Physics 2022-11-09 Haodi Jiang , Qin Li , Yan Xu , Wynne Hsu , Kwangsu Ahn , Wenda Cao , Jason T. L. Wang , Haimin Wang

Polarization-aware Neural Radiance Fields (NeRF) enable novel view synthesis of specular-reflection scenes but face challenges in slow training, inefficient rendering, and strong dependencies on material/viewpoint assumptions. However, 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Derui Shan , Qian Qiao , Hao Lu , Tao Du , Peng Lu

We discuss the possibility of an autonomous navigation system for spacecraft that is based on pulsar timing data. Pulsars are rapidly rotating neutron stars that are observable as variable celestial sources of electromagnetic radiation.…

High Energy Astrophysical Phenomena · Physics 2012-05-04 Mike Georg Bernhardt , Werner Becker , Tobias Prinz , Ferdinand Maximilian Breithuth , Ulrich Walter

This work describes the implementation of a simple and computationally efficient Intelligent Navigation System (INS) for autonomous systems used in areas where human access is impossible. The system uses Laser Range Finder (LRF) readings as…

Convolutional neural networks (CNNs) are inherently equivariant to translation. Efforts to embed other forms of equivariance have concentrated solely on rotation. We expand the notion of equivariance in CNNs through the Polar Transformer…

Computer Vision and Pattern Recognition · Computer Science 2018-02-02 Carlos Esteves , Christine Allen-Blanchette , Xiaowei Zhou , Kostas Daniilidis

Accurate bronchoscope localization is essential for pulmonary interventions, by providing six degrees of freedom (DOF) in airway navigation. However, the robustness of current vision-based methods is often compromised in clinical practice,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Qingyao Tian , Zhen Chen , Huai Liao , Xinyan Huang , Bingyu Yang , Lujie Li , Hongbin Liu

A microlensing exoplanet search is a unique method for finding planets orbiting distant stars. However, in the past, the method used to analyze microlensing data could not deal with complex lens systems. The number of lenses was limited…

Instrumentation and Methods for Astrophysics · Physics 2025-08-13 Fumio Abe

Recent advances in surface reconstruction for 3D Gaussian Splatting (3DGS) have enabled remarkable geometric accuracy. However, their performance degrades in photometrically ambiguous regions such as reflective and textureless surfaces,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Bo Guo , Sijia Wen , Yifan Zhao , Jia Li , Zhiming Zheng

The rapid growth of cislunar activities, including lunar landings, the Lunar Gateway, and in-space refueling stations, requires advances in cost-efficient trajectory design and reliable integration of navigation and remote sensing.…

Earth and Planetary Astrophysics · Physics 2025-11-06 Arsalan Muhammad , Wasiu Akande Ahmed , Omada Friday Ojonugwa , Paul Puspendu Biswas

Studying the magnetic field properties on the solar surface is crucial for understanding the solar and heliospheric activities, which in turn shape space weather in the solar system. Surface Flux Transport (SFT) modeling helps us to…

Solar and Stellar Astrophysics · Physics 2024-11-21 Jithu J Athalathil , Bhargav Vaidya , Sayan Kundu , Vishal Upendran , Mark C. M. Cheung

In this paper, the optimization-based alignment (OBA) methods are investigated with main focus on the vector observations construction procedures for the strapdown inertial navigation system (SINS). The contributions of this study are…

Robotics · Computer Science 2016-11-24 Lubin Chang , Jingshu Li , Kailong Li

By using an optical device based on the integration of a GRaded-INdex (GRIN) rod lens and a single-mode optical fiber we efficiently collected photon pairs generated by spontaneous parametric down-conversion. We show that this system…

Quantum Physics · Physics 2009-11-09 Giuseppe Vallone , Gaia Donati , Francesco De Martini , Paolo Mataloni

Visual Semantic Navigation (VSN) is the ability of a robot to learn visual semantic information for navigating in unseen environments. These VSN models are typically tested in those virtual environments where they are trained, mainly using…

The Interplanetary Network (IPN) emerges as the backbone for communication between various spacecraft and satellites orbiting distant celestial bodies. This paper introduces the Interplanetary Network Visualizer (IPN-V), a software platform…

Networking and Internet Architecture · Computer Science 2024-09-10 Alice Le Bihan , Juan A. Fraire , Pierre Francois , Felix Flentge

The Global Navigation Satellite System (GNSS) has been a very powerful and important contributor to all scientific questions related to precise positioning on Earth's surface, particularly as a mature technique in geodesy and geosciences.…

Geophysics · Physics 2015-10-27 Shuanggen Jin , Attila Komjathy

Underwater optical imaging is severely hindered by scattering, but polarization imaging offers the unique dual advantages of descattering and shape-from-polarization (SfP) 3D reconstruction. To exploit these advantages, this paper proposes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Puyun Wang , Kaimin Yu , Huayang He , Feng Huang , Xianyu Wu , Yating Chen

Inertial-based navigation refers to the navigation methods or systems that have inertial information or sensors as the core part and integrate a spectrum of other kinds of sensors for enhanced performance. Through a series of papers, the…

Robotics · Computer Science 2023-05-18 Maoran Zhu , Yuanxin Wu
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