Methods and systems for generating, deriving, and enhancing drivable road databases are provided. A baseline road in a road network is defined and position and/or trajectory data collected by vehicles traveling the baseline road are compiled and compared to a representation of the baseline road in an...http://www.google.fr/patents/US20060155464?utm_source=gb-gplus-shareBrevet US20060155464 - Methods and systems for deducing road geometry and connectivity
Methods and systems for deducing road geometry and connectivity
Numéro de demande: 11/292,392 Numéro de publication: US 2006/0155464 A1 Date de dépôt: 30 nov. 2005 Brevet délivré: US7957893 ( Date de délivrance 7 juin 2011)