1. A system for extracting data from a field of view and an image of an object in the field of view using repeated scans of the image, comprising: means for producing a video signal as a function of the image; means for producing a binary video signal as a function of the video signal of the object image in the field of view; means for extracting data defining a point within the field of view; and means for identifying the point to an object in the field of view by a comparison between the extracted point data and binary video signal image related data.