INFRARED GUIDE SYSTEM

PROBLEM TO BE SOLVED: To provide an infrared guide system capable of hardly detecting erroneously an object emitting an infrared input ray having an infrared image characteristic similar to that of a target, and capable of reducing a calculation load for guide. SOLUTION: This infrared guide system for guiding a flying object by detecting an infrared ray emitted from the target by an infrared imaging device 2 is provided with a target position computer 15 for calculating a target position area 16 based on a target position in shooting, the maximum target moving speed and a time after the shooting, a target angle area computer 17 for calculating a target angle area 18 based on the target position area 16 from the target position computer 15, the target position in the shooting, a moving amount and an attitude angle of the flying body, and an angle formed by a visual line of the infrared imaging device and an axis of the flying body, and a target position filter 13 for outputting an image signal with an area limited by making valid a signal included in the target angle area 18, and invalid a signal not included therein, out of the image signals detected by the infrared imaging device 2. COPYRIGHT: (C)2007,JPO&INPIT