To provide a navigation system capable of displaying a route guidance object so as to be superimposed on a live-action image such that the route guidance object coincides with a road, even in the case that road-geometry data have a current level in accuracy.
The navigation system for displaying the route guidance object showing a course on which the own vehicle should travel, comprises: a photographing section for acquiring the live-action image ahead of the own vehicle; a white line detecting section for detecting a road white line in the live-action image; a map information storage section for storing map information which contains the road-geometry data representing a road geometry; a road-geometry data compensating section for compensating the road-geometry data based on a detection result of the road white line, such that the route guidance object is displayed along the road white line; a route guidance object generating section for generating the route guidance object based on the compensated road-geometry data; and a displaying section for displaying the generated route guidance object on a screen.
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AKITA TAKASHI
NAKANO NOBUYUKI
IWAMI RYOTARO
KAWABATA SUSUMU
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