Results 21 to 30 of about 60,692 (275)

Magnetic-Map-Matching-Aided Pedestrian Navigation Using Outlier Mitigation Based on Multiple Sensors and Roughness Weighting

open access: yesSensors, 2019
This research proposes an algorithm that improves the position accuracy of indoor pedestrian dead reckoning, by compensating the position error with a magnetic field map-matching technique, using multiple magnetic sensors and an outlier mitigation ...
Yong Hun Kim   +3 more
doaj   +1 more source

QDR: A Quadrotor Dead Reckoning Framework

open access: yesIEEE Access, 2020
Quadrotors are used for variety of applications both outdoors and indoors. Among them are - deliveries, surveillance, transportation, mapping and more. To accomplish its tasks an accurate navigation solution is required.
Artur Shurin, Itzik Klein
doaj   +1 more source

A Comparison of the Least Squares with Kalman Filter Methods Used in Algorithms of Fusion with Dead Reckoning Navigation Data [PDF]

open access: yesTransNav, 2017
Different calculation methods and configurations of navigation systems can be used in algorithms of navigational parameter fusion and estimation. The article presents a comparison of two methods of fusion of dead reckoning position with that from a ...
Andrzej Banachowicz, Adam Wolski
doaj   +1 more source

Improvement of odometry for omnidirectional vehicle using optical flow information [PDF]

open access: yes, 2000
Our research goal is to realize a robust navigation in indoor and outdoor environment for autonomous vehicle. An omnidirectional vehicle driven by four Mecanum wheels was chosen for our research platform.
Nagatani, Keiji   +3 more
core   +1 more source

Visual servoing of nonholonomic cart [PDF]

open access: yes, 1997
This paper presents a visual feedback control scheme for a nonholonomic cart without capabilities for dead reckoning. A camera is mounted on the cart and it observes cues attached on the environment.
Hashimoto, Koichi, Noritsugu, Toshiro
core   +1 more source

Calculating method of coordinate of pipeline centerline based on a small caliber inertial measurement unit

open access: yesYou-qi chuyun, 2021
In order to improve the calculation accuracy of the inertial measurement coordinate data of in-service pipelines and thereby promote the pipeline digitization process with high quality, a calculation model of dead reckoning error of a small-caliber ...
Yi LIU   +5 more
doaj   +1 more source

Robot mapping and localisation in metal water pipes using hydrophone induced vibration and map alignment by dynamic time warping [PDF]

open access: yes, 2017
Water is a highly valuable resource so asset management of associated infrastructure is of critical importance. Water distribution pipe networks are usually buried, and so are difficult to access.
Anderson, S.R.   +7 more
core   +3 more sources

Dead Reckoning Using Play Patterns in a Simple 2D Multiplayer Online Game

open access: yesInternational Journal of Computer Games Technology, 2014
In today’s gaming world, a player expects the same play experience whether playing on a local network or online with many geographically distant players on congested networks.
Wei Shi   +2 more
doaj   +1 more source

A Zupt-Based Method for Astronaut Navigation on Planetary Surface and Performance Evaluation under Different Locomotion Patterns [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
In this research, we develop a Zero Velocity Update (ZUPT) based method for astronaut navigation and evaluate its performance under different locomotion patterns.
X. Sun, K. Wu, Y. Li, K. Di
doaj   +1 more source

Judicial Attitudes and Voting Behavior: The 1961 Term of the United States Supreme Court [PDF]

open access: yes, 1963
For small-scale Unmanned Aerial Vehicles (UAV) to operate indoor, in urban canyons or other scenarios where signals from global navigation satellite systems are denied or impaired, alternative estimation and control strategies must be applied.
Jansson, Magnus, Zachariah, Dave
core   +4 more sources

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