| 摘要 |
A navigation device includes: a map database 5 that holds map data; a location and heading measurement unit 4 that measures the current location and heading of a vehicle; a route calculation unit 12 that, based on the map data read from the map database, calculates a guidance route from the current location measured by the location and heading measurement unit to a destination; a camera 7 that captures video images ahead of the vehicle; a video image acquisition unit 8 that acquires the video images ahead of the vehicle captured by the camera; a side road acquisition unit 16 that acquires a side road connected at a location between the current location on the guidance route calculated by the route calculation unit and a guidance waypoint; a video image composition processing unit 14 that composes a picture representing the side road acquired by the side road acquisition unit onto the video images acquired by the video image acquisition unit; and a display unit 10 that displays the video image composed by the video image composition processing unit in a superimposing manner.
|
