A method of creating map data

G - Physics – 01 – C

Patent

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Details

G01C 21/32 (2006.01) G01C 21/34 (2006.01) G01S 5/14 (2006.01) G08G 1/01 (2006.01) G08G 1/0967 (2006.01)

Patent

CA 2703515

A method of creating map data, the map data comprising a plurality of navigable segments representing segments of a navigable route in the area covered by the map with each segment being arranged to have speed data associated therewith, the method comprising the steps of processing speed data relating to a plurality of the segments of the navigable route covered by the map to generate a set of generated speed profiles, with each generated speed profile within the set being an approximation to traffic speed along one or more of the segments of the navigable route and each speed profile varying with respect to time; and associating at least one speed profile from the set with a navigable segment within the map data.

L'invention concerne un procédé pour créer des données de carte comprenant une pluralité de segments navigables représentant des segments d'un itinéraire navigable dans la zone couverte par la carte, chaque segment pouvant être associé à des données de vitesse. Le procédé de l'invention comprend les étapes suivantes: traitement des données de vitesse en fonction de la pluralité des segments de l'itinéraire navigable couvert par la carte, de manière à produire un ensemble de profils de vitesses, chaque profil de vitesse à l'intérieur de l'ensemble étant une approximation de la vitesse de trafic dans un ou plusieurs segments de l'itinéraire navigable et chaque profil de vitesse variant par rapport à la durée; association d'au moins un profil de vitesse de l'ensemble avec un segment navigable à l'intérieur des données de carte.

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