1. A method of object detection, the method comprising; receiving a first image taken by a first stereo camera; receiving a second image taken by a second stereo camera; offsetting the first image relative to the second image by an offset distance selected such that each corresponding pixel of offset first and second images depict a same object locus if the object locus is at an assumed distance from the first and second stereo cameras; and locating a target object in the offset first and second images.