Results 11 to 20 of about 172,768 (247)

Map Matching with Simplicity Constraints [PDF]

open access: yes, 2013
We study a map matching problem, the task of finding in an embedded graph a path that has low distance to a given curve in R^2. The Fr\'echet distance is a common measure for this problem.
Meulemans, Wouter
core   +6 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

Map Matching for Intelligent Speed Adaptation [PDF]

open access: yesIET Intelligent Transport Systems, 2007
Udgivelsesdato ...
Jensen, Christian Søndergaard   +3 more
core   +3 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   +1 more source

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   +1 more source

AUTONOMOUS VEHICLES LOCALISATION BASED ON SEMANTIC MAP MATCHING METHOD [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
In autonomous driving systems, a positioning method that can be used in scenarios with no satellite signals or long signal interruptions is a must. In this paper, we address the problems in map construction methods and map matching methods in scenes ...
H. Huang, D. Yu, J. Yang, X. Liu
doaj   +1 more source

Detection-Verification-Cascade-Based Low-Cost Precise Vehicle Positioning Exploiting Extended Digital Map

open access: yesIEEE Access, 2021
This paper proposes a map-matching based precise positioning system for highways. The proposed system fuses multiple sensors such as a camera, conventional GPS, and vehicle motion sensors widely adapted in mass-produced vehicles.
Kyoungtaek Choi   +2 more
doaj   +1 more source

Physically consistent map matching

open access: yesProceedings of the 30th International Conference on Advances in Geographic Information Systems, 2022
An important data source for traffic analysis is GPS trajectory data. However, due to measurement inaccuracies, such data does not necessarily align well with data describing the road network. Hence, GPS data typically needs to be aligned with the road network before further analysis can take place; this process is called map matching.
Custers, Bram A.   +4 more
openaire   +1 more source

Unfolding Spatial-Temporal Patterns of Taxi Trip based on an Improved Network Kernel Density Estimation

open access: yesISPRS International Journal of Geo-Information, 2020
Taxi mobility data plays an important role in understanding urban mobility in the context of urban traffic. Specifically, the taxi is an important part of urban transportation, and taxi trips reflect human behaviors and mobility patterns, allowing us to ...
Boxi Shen   +4 more
doaj   +1 more source

PyTrack: A Map-Matching-Based Python Toolbox for Vehicle Trajectory Reconstruction

open access: yesIEEE Access, 2022
The exponential growth of IoT devices, smartphones, smartwatches, and vehicles equipped with positioning technology, such as Global Positioning System (GPS) modules, has boosted the development of location-based services for several applications in ...
Matteo Tortora   +2 more
doaj   +1 more source

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