A model-based automatic target recognizer (ATR) is described. This system identifies, determines the aspect, and determines the range of aircraft based on their shape. The system is a knowledge- based system which utilizes the U.S. Army's Visual Aircraft Recognition Manual. It recognizes aircraft based on the FLIR or TV image of the target. The specific techniques that are used by the target recognizer to find the range, aspect angles, and identification of targets are described. Tests results obtained at the Naval Weapons Center sponsored Long Jump IV test are also described. Average identification, range, and aspect error are given.
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