Aisin Aw Co., Ltd.

Kenta Oonishi

Takanori Kaji

Noboru Ishibashi

Kunihiro Yamada

A navigation system that searches for a route to a destination based on stored map data that provides navigation guidance to the destination along the route, including a controller that searches for a first route to the destination as a route to be recommended based on a calculation of a search cost, detects whether the first route includes a curve, changes the search cost for any detected curve, searches for a second route to the destination based on the search cost that has been changed and employs the second route as the route to be recommended instead of the first route.

Navigation system, and program and storage medium for use in the same

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 to the destination and a controller for providing guidance along the route determined by the route search. The controller controls the imaging by the camera according to route guidance information and determines whether a lane change is required in accordance with information obtained from the image. When it is determined that a lane change is required, the traffic situation in the vicinity surrounding the vehicle is recognized and guidance for the lane change is provided.

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Okazaki, Japan

Kenta Oonishi