1. A method of image tracking, the method comprising: providing a predetermined route; receiving a plurality of images of a first object at points along the predetermined route at least two spaced apart cameras including a first camera and a second camera; calibrating the cameras based on the received images of the first object and the predetermined route; receiving at least one image of a second object at the calibrated cameras; and determining a position of the second object based on one of the at least one received images of the second object at the first camera.