Results 1 to 10 of about 173,799 (251)

GPS/MEMS INS Data Fusion and Map Matching in Urban Areas [PDF]

open access: yesSensors, 2013
This paper presents an evaluation of the map-matching scheme of an integrated GPS/INS system in urban areas. Data fusion using a Kalman filter and map matching are effective approaches to improve the performance of navigation system applications based on
Thanh-Trung Duong   +3 more
doaj   +4 more sources

A map matching algorithm based on modified hidden Markov model considering time series dependency over larger time span [PDF]

open access: yesHeliyon, 2023
With the advancement of geopositioning systems and mobile devices, much research with geopositioning data are currently ongoing. Along with the research applications, map matching is a technology that infers the actual position of error-prone trajectory ...
Ha Yoon Song, Jae Ho Lee
doaj   +2 more sources

Effect Evaluation of Spatial Characteristics on Map Matching-Based Indoor Positioning [PDF]

open access: yesSensors, 2020
Map-matching is a popular method that uses spatial information to improve the accuracy of positioning methods. The performance of map matching methods is closely related to spatial characteristics.
Shuaiwei Luo   +3 more
doaj   +2 more sources

Map-Matching Error Identification in the Absence of Ground Truth

open access: yesISPRS International Journal of Geo-Information, 2022
Map-matching of trajectory data has widespread applications in vehicle tracking, traffic flow analysis, route planning, and intelligent transportation systems.
Subhrasankha Dey   +2 more
doaj   +3 more sources

HMM-Based Map Matching and Spatiotemporal Analysis for Matching Errors with Taxi Trajectories

open access: yesISPRS International Journal of Geo-Information, 2023
Map matching of trajectory data has wide applications in path planning, traffic flow analysis, and intelligent driving. The process of map matching involves matching GPS trajectory points to roads in a roadway network, thereby converting a trajectory ...
Lin Qu   +4 more
doaj   +3 more sources

A Historical-Trajectories-Based Map Matching Algorithm for Container Positioning and Tracking [PDF]

open access: yesSensors, 2022
Positioning and tracking of containers is becoming an urgent demand of container transportation. Map matching algorithms have been widely applied to correct positioning errors.
Wenfeng Li, Wenwen Zhang, Cong Gao
doaj   +2 more sources

Map-matching algorithm based on the junction decision domain and the hidden Markov model. [PDF]

open access: yesPLoS ONE, 2019
Map-matching technology is a key and difficult technology in the development of vehicle navigation systems. Only by correctly identifying the road segment on which the vehicle is traveling can the navigation system make the right decision.
Hui Qi, Xiaoqiang Di, Jinqing Li
doaj   +2 more sources

Improving Positioning Accuracy via Map Matching Algorithm for Visual–Inertial Odometer [PDF]

open access: yesSensors, 2020
A visual−inertial odometer is used to fuse the image information obtained by a vision sensor with the data measured by an inertial sensor and recover the motion track online in a global frame.
Juan Meng   +4 more
doaj   +2 more sources

An Improved Map-Matching Technique Based on the Fréchet Distance Approach for Pedestrian Navigation Services [PDF]

open access: yesSensors, 2016
Wearable and smartphone technology innovations have propelled the growth of Pedestrian Navigation Services (PNS). PNS need a map-matching process to project a user’s locations onto maps.
Yoonsik Bang, Jiyoung Kim, Kiyun Yu
doaj   +2 more sources

Conditional Random Field-Based Offline Map Matching for Indoor Environments [PDF]

open access: yesSensors, 2016
In this paper, we present an offline map matching technique designed for indoor localization systems based on conditional random fields (CRF). The proposed algorithm can refine the results of existing indoor localization systems and match them with the ...
Safaa Bataineh   +4 more
doaj   +2 more sources

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