| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a navigation device and the like which can perform guidance for a driver of a vehicle at proper timing. <P>SOLUTION: A navigation device 1 comprises: an image acquisition unit 70c for acquiring an image from a camera 20 mounted on a vehicle 2 for filming a traffic light on a road; a correction distance table 80b for storing a correction distance along a traveling direction of the vehicle 2 for correcting a difference between a position of the vehicle 2 at timing when the traffic light disappears from a filming area of the camera 20 and a guidance output reference position, that is, a position of the vehicle 2 at timing when the traffic light disappears from driver's sight; a determination unit 70f for, based on the image acquired by the image acquisition unit 70c and the correction distance stored in the correction distance table 80b, determining whether the vehicle 2 reaches the guidance output reference position; and a guidance unit 70g for, when the determination unit 70f determines that the vehicle 2 reaches the guidance output reference position, performing guidance regarding the traffic light at a predetermined position in reference to the determined guidance output reference position. <P>COPYRIGHT: (C)2012,JPO&INPIT |
