Methods and Systems for Map Matching

An advanced map matching algorithm is disclosed, which embeds the road topology inherently in a set of path candidates. Road connectivity is maintained even in special situations such as U-turns, reverse driving, and tunnels. Careful path candidate management is designed to reduce the candidate coun...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Koponen, Lauri, Sun, Rui
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An advanced map matching algorithm is disclosed, which embeds the road topology inherently in a set of path candidates. Road connectivity is maintained even in special situations such as U-turns, reverse driving, and tunnels. Careful path candidate management is designed to reduce the candidate count while preserving well-matching candidates. Paths are treated and evaluated independently using multiple criteria, which makes the algorithm reliable and robust in different scenarios.