A device is disclosed for generating navigation instructions for display on a display device of a portable navigation device, comprising: means for accessing a repository storing digital map data pertaining to a navigable network along which the navigation...

A lane-level positioning method and apparatus, a device, a vehicle, and a medium are provided. The method includes: obtaining map road information and visual perception road information of surroundings of a vehicle based on positioning information of the v...

A navigation system, method and an electronic device provide for obtaining high-precision road data of a no-network-connection route segment from the server and displaying a lane-level navigation route of the no-network-connection route segment based on th...

A computer-readable detailed map format is disclosed. The detailed map format includes a plurality of lane segments and a plurality of lane links. Each of the lane links can extend between two lane segments across a traffic intersection. Each of the lane l...

The present invention relates to an onboard unit for a vehicle (C i ) for informing the driver when traveling on a road section (S n ) with at least two adjacent driving lanes (T n,m ) forming a common traffic surface, wherein the onboard unit has a positi...

The present invention relates to a vehicle navigation system, comprising a map database storing map data comprising links and attributes, said links representing road segments, wherein a lane marking attribute is assigned to a subset of said links to indic...

The method involves calculating a route from a starting point to a destination point, and obtaining the route from a sequence of route segments (02a to 02d) and nodes (03a,03b). The route is selected with a route calculation process from a database, in whi...

A method, a system, and a computer program product for navigating a vehicle are provided. In the present application, a current driving lane of the vehicle is first detected through a lane detection technique. Then, whether the current driving lane conform...

A navigation system includes an input device for inputting a destination, a current location detector for detecting current location of the vehicle, a camera for imaging an area to the rear of the vehicle, a route search program for searching for a route t...

Based on searched route information and map data, a target intersection for guidance is specified (S11). For the specified target intersection, lane data regarding the number of lanes and lane control of roads being connected thereto is read, and then reco...