LANE DETERMINATION DEVICE, LANE DETERMINATION METHOD AND NAVIGATION APPARATUS USING THE SAME

摘要

PROBLEM TO BE SOLVED: To suitably determine a lane of a driver's own vehicle by reflecting a present situation even when the own vehicle lane cannot be specified as one lane or an image recognition result has the possibility of an error in determining the own lane on the basis of the image recognition result of a ground object existing on the lane on which the own vehicle is traveling. SOLUTION: A lane determination device is provided with: a ground object information acquisition means for acquiring the ground object information F of a target ground object existing in each lane in an advancing direction of the own vehicle 30 on the basis of own vehicle position information; an image recognition means for executing image recognition processing of the ground object sort of the target ground object in the own vehicle lane about image information; and a lane confidence degree judgment means for judging a degree of confidence of the own vehicle lane in each lane in accordance with the level of possibility of recognizing the ground object sorts Ft1 to Ft4 of target ground objects in each lane as a recognized ground object sort (fa) on the basis of the recognized ground object sort (fa) indicated by the image recognition result and the ground object sorts Ft1 to Ft4 of the target ground objects of each lane indicated by the ground object information F. COPYRIGHT: (C)2009,JPO&INPIT