METHOD OF CORRECTING NON-UNIFORMITY OF SCANNING MULTIELEMENT PHOTODETECTORS BASED ON SCENE SIGNALS Russian patent published in 2011 - IPC H04N5/33 H04N1/409 

FIELD: physics.

SUBSTANCE: to carry out correction, scene elements are successively picked up by neighbouring photosensitive areas during scanning. The relationship between signals from each element and signals from a neighbouring element is determined in the range of variation of input signals from different scene sections using three-parametre approximation. Said relationship is used to determine correction functions and signals from each next photodetector element are successively corrected relative the previous element so that corrected signals from all elements are identical for identical optical signals in the entire range of scene signals.

EFFECT: wider interval for calibrating scanning multielement photodetectors with correction of non-uniformity based on scene signals.

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