I found a ref that says: "...two major reasons for doing this—one is to perform experiments, which will help to provide an understanding of the processes of vision and to throw light on biological vision systems; the other is to permit computers to engage in practical applications such as control of machines.  The first of these leads to the discipline known as computer vision, while the second leads to machine vision." Encyclopedia of Optical Engineering By Ronald G. Driggers.  It might be good to say so and reference it in one or both articles, because it's news to me.