Detecting Runways in Aerial Images’ 4

We are pursuing the detection of runways in aerial images as part of a project to automatically map complex cultural areas such as a major commercial airport complex. This task is much more difficult that appears at first. _ We use a hypothesize and test paradigm. Hypotheses are formed by looking for instances of long rectangular shapes, possibly in-terrupted by other long rectangles. We use runway markings, mandated by standards for runway con-struction, to verify our hypotheses. I