Validation of a commercial deformable image registration for surface guided radiotherapy using an ad-hoc developed deformable phantom.
Sign Up to like & getrecommendations! Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14527
Abstract: PURPOSE The use of optical surface systems (OSSs) for patient set-up verification in external radiation therapy is increasing. To manage potential deformations in a patient's anatomy, a novel deformable image registration (DIR) tool has been… read more here.
Keywords: image; positioning accuracy; anatomy; accuracy ... See more keywords
Nanometric positioning accuracy in the presence of presliding and sliding friction: Modelling, identification and compensation
Sign Up to like & getrecommendations! Published in 2017 at "Mechanics Based Design of Structures and Machines"
DOI: 10.1080/15397734.2016.1149487
Abstract: ABSTRACT Presliding and sliding frictional effects, limiting the performances of ultrahigh precision mechatronics devices, are studied in this work. The state-of-the-art related to frictional behavior in both motion regimes is, hence, considered, and the generalized… read more here.
Keywords: nanometric positioning; compensation; positioning accuracy; friction ... See more keywords
Novel Deep Hybrid and Ensemble Algorithms for Improving GPS Navigation Positioning Accuracy
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3272057
Abstract: GPS (Global Positioning System) has been a widespread system used for various purposes in today’s world and it is essential to suggest innovative effective solutions to improve its use and functions. The present study proposes… read more here.
Keywords: accuracy; hybrid ensemble; positioning accuracy; ensemble algorithms ... See more keywords
Improving the Positioning Accuracy of UWB System for Complicated Underground NLOS Environments
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2021.3083103
Abstract: The achievement of accurate and reliable localization is invariably a predominant bottleneck to the realization of shearer automation. Unfortunately, the positioning accuracy may significantly degrade and the yield may be unsatisfactory due to the existence… read more here.
Keywords: improving positioning; los nlos; accuracy; positioning accuracy ... See more keywords
6-DoF Full Robotic Calibration Based on 1-D Interferometric Measurements for Microscale and Nanoscale Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Automation Science and Engineering"
DOI: 10.1109/tase.2020.3031856
Abstract: This article proposes an original approach for robotic calibration that is based on measurements along a single direction (1-D). Among all applications, the field of microrobotics and nanorobotics has been chosen as case study because… read more here.
Keywords: robotic calibration; interferometric measurements; accuracy; calibration ... See more keywords
Design a Novel Target to Improve Positioning Accuracy of Autonomous Vehicular Navigation System in GPS Denied Environments
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2021.3052529
Abstract: Accurate positioning is an essential requirement of autonomous vehicular navigation system (AVNS) for safe driving. Although the vehicle position can be obtained in global position system friendly environments, in GPS denied environments (such as suburb,… read more here.
Keywords: system; gps denied; target; positioning accuracy ... See more keywords
A Fast Algorithm for High Accuracy Airborne SAR Geolocation Based on Local Linear Approximation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3165255
Abstract: Synthetic aperture radar (SAR) is a kind of high-resolution imaging radar, which can work in any weather conditions and is often used for target positioning. Airborne SAR has the advantages of flexible scanning geometry and… read more here.
Keywords: local linear; geolocation; positioning accuracy; airborne sar ... See more keywords
An Improved Indoor 3-D Ultrawideband Positioning Method by Particle Swarm Optimization Algorithm
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3192252
Abstract: Ultrawideband (UWB) technology is the potential indoor positioning method, which is based on the time of arrival (TOA) principle and Kalman filter (KF) algorithm. In this research, a high-precision positioning method is developed by the… read more here.
Keywords: swarm optimization; particle swarm; positioning method; algorithm ... See more keywords
Two High-Precision Ultrashort Baseline Location Methods Based on Phase Difference
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3246533
Abstract: In this article, two ultrashort baseline (USBL) location methods for underwater broadband signal are proposed. In order to improve the positioning accuracy of acoustic positioning, the coarse time delay is measured by parabolic interpolation of… read more here.
Keywords: time; time delay; ambiguity; accuracy ... See more keywords
Integrated Positioning for Connected Vehicles
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Intelligent Transportation Systems"
DOI: 10.1109/tits.2019.2894522
Abstract: In the era of autonomous cars, accurate vehicular positioning becomes very essential. The global navigation satellite systems (GNSS) suffer from signal blockage and severe multipath in urban canyons, which degrades the positioning accuracy and availability.… read more here.
Keywords: system; positioning accuracy; positioning connected; connected vehicles ... See more keywords
Visible Light Positioning and Navigation Using Noise Measurement and Mitigation
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2019.2943517
Abstract: Visible light positioning (VLP) has become an essential candidate for high-accurate positioning; however, its positioning accuracy is usually degraded by the noise in the VLP system. To solve this problem, a novel scheme of noise… read more here.
Keywords: noise measurement; light positioning; visible light; positioning accuracy ... See more keywords