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   Articles with "factor graph" as a keyword



PPP based on factor graph optimization

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recommendations! Published in 2024 at "Measurement Science and Technology"

DOI: 10.1088/1361-6501/ad6680

Abstract: Kalman or Kalman-related filtering methods are routinely applied in precise point positioning (PPP). However, in robot simultaneous localization and mapping (SLAM) systems, factor graph optimization (FGO) has proven advantages over filtering methods in recent years,… read more here.

Keywords: factor graph; graph optimization; accuracy; ppp ... See more keywords

UWB/INS Fusion Localization Method Based on Granular Ball Efficient Spectral Clustering and Factor Graph

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recommendations! Published in 2025 at "Measurement Science and Technology"

DOI: 10.1088/1361-6501/ae1d9e

Abstract: Indoor positioning technology is crucial for enabling intelligent management and automation of indoor environments, such as smart buildings, factories and healthcare facilities. Ultra-wideband (UWB) navigation technology offers centimeter-level positioning accuracy. However, non-line-of-sight (NLOS) propagation significantly… read more here.

Keywords: navigation; factor graph; granular ball; ins fusion ... See more keywords

A Factor Graph Approach for Attitude Estimation of Spacecraft Using a Stellar Gyroscope

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recommendations! Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2897321

Abstract: A stellar gyroscope is an attitude sensor that is composed of a micro star sensor and a micro-electro-mechanical system gyroscope. The attitude is the output by fusing the information of the two sensors. Due to… read more here.

Keywords: star; attitude; factor graph; stellar gyroscope ... See more keywords
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A Multi-Sensor Information Fusion Method Based on Factor Graph for Integrated Navigation System

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recommendations! Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3051715

Abstract: The current navigation systems used in many autonomous mobile robotic applications, like unmanned vehicles, are always equipped with various sensors to get accurate navigation results. The key point is to fuse the information from different… read more here.

Keywords: sensor information; method; navigation; factor graph ... See more keywords
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Factor Graph Framework for Smartphone Indoor Localization: Integrating Data-Driven PDR and Wi-Fi RTT/RSS Ranging

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recommendations! Published in 2023 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2023.3267121

Abstract: The classic fusion localization techniques based on the Kalman filter (KF) framework have been a focus of research community in the past decades, due to the limited computing power of mobile devices. However, with computing-efficient… read more here.

Keywords: fusion; localization; smartphone; framework ... See more keywords

Accurate and Real-Time 3D-LiDAR Multiobject Tracking Using Factor Graph Optimization

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recommendations! Published in 2024 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2023.3336221

Abstract: Accurate and real-time tracking of multiple moving objects in 3-D space is critical for intelligent transportation applications such as autonomous driving and traffic monitoring. However, tracking performance is often hindered by difficulties such as occlusion… read more here.

Keywords: graph optimization; real time; factor graph; multiobject tracking ... See more keywords

Relative Accuracy of GNSS/INS Integration Based on Factor Graph Optimization

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recommendations! Published in 2024 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2024.3451665

Abstract: The accuracy and robustness of factor graph optimization (FGO)-based global navigation satellite system (GNSS)/inertial navigation system (INS) integrated navigation systems have been widely explored recently. Although factor graph methods can achieve precise state estimation in… read more here.

Keywords: navigation; factor graph; gnss ins; accuracy ... See more keywords

Cooperative Tracking for WSN With DOA-Based Factor Graph Technique

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recommendations! Published in 2024 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2024.3487655

Abstract: This article proposes a cooperative tracking scheme in wireless sensor networks (WSNs), which utilizes a direction-of-arrival (DOA)-based factor graph (FG) approach. It focuses on a scenario that sensors served as the anchor nodes in the… read more here.

Keywords: factor graph; cooperative tracking; based factor; doa based ... See more keywords

Robust Factor Graph Optimization for GNSS/INS Tightly Coupled Integration: A Flexible Strategy for Urban Navigation Resilience

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recommendations! Published in 2025 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2025.3583479

Abstract: Intelligent transportation systems, including autonomous vehicles, require precise and reliable navigation and positioning systems to ensure safety. However, Global Navigation Satellite System (GNSS) observations are degraded by signal interference, such as obstructions and reflections from… read more here.

Keywords: graph optimization; navigation; robust factor; factor graph ... See more keywords

GNSS-Denied Joint Cooperative Terrain Navigation and Target Tracking Using Factor Graph Geometric Average Fusion

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recommendations! Published in 2024 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2023.3333286

Abstract: We propose a fully distributed methodology based on factor graphs for joint cooperative localization and distributed noncooperative target tracking in a 3-D scenario where multiple surveillance aircraft fly in formation without access to global navigation… read more here.

Keywords: navigation; target tracking; factor graph; joint cooperative ... See more keywords

Factor Graph Optimization-Based GNSS PPP-RTK: An Alternative Platform to Study Urban GNSS Precise Positioning

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recommendations! Published in 2024 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2024.3360380

Abstract: The global navigation satellite system (GNSS) PPP-RTK technique, which integrates the superiorities of precise point positioning (PPP) and real-time kinematic (RTK), is increasingly attracting people's attention in recent years. This article proposes a factor graph… read more here.

Keywords: gnss ppp; ppp rtk; factor graph; rtk ... See more keywords