Optical EngineeringAutonomous star field identification using intelligent CCD-based cameras
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A six-feature all-sky star field identification algorithm has been developed. The minimum identifiable star pattern element consists of an oriented star triplet defined by three stars and their celestial coordinates and visual magnitudes. This algorithm has been integrated with a CCD-based imaging camera. The autonomous intelligent camera identifies in real time any star field without a priori knowledge. Observatory tests on star fields with this intelligent camera are described.