1. A method of identifying an object in a visual scene, comprising: a. extracting at least a profile of an object from an image; b. determining a center of said profile; c. determining a measurement vector comprising a plurality of distances from said center to said profile at a plurality of angles relative to and through said center; d. comparing said measurement vector with at least one stored vector representative of at least one type of reference object; and e. determining whether or not said object corresponds to said reference object responsive to said operation of comparing said measurement vector with said at least one stored vector.