Digital implementation of scene based non-uniformity correction for microscan-mode infrared cameras

A real-time implementation of scene-based non-uniformity correction (SBNUC) using a digital technique is proposed for microscan-mode staring infrared cameras. Most SBNUC algorithms, without sensor motion, cannot be applied to stationary scenes because of image blurring and fading. Using a microscanning effect, coupled with a modified version of Scribner´s algorithm, the proposed technique can correct the artefacts and non-uniformities in real-time.