VEHICLE POSITION DETERMINATION DEVICE, VEHICLE POSITION DETERMINATION SYSTEM, AND VEHICLE POSITION DETERMINATION METHOD

A vehicle position determination device mountable to a vehicle, the vehicle position determination device including an acquisition unit that acquires a surrounding image that is road information for identifying a position of the vehicle and is represented by a small displacement with respect to the vehicle, and a control unit that compares the road information with road characteristic information indicating an absolute position of a predetermined point and determines a vehicle position according to a result of the comparison; the road information includes at least one of road shape information indicating a shape of a road surface in a direction of travel of the vehicle and road pattern information indicating a pattern on a road surface