State of Israel-ministry of Defense, Armament Development Authority,

Micha Oron

Doron Even-Sturlesi

During a portion of each frame, the detector elements of a matrix detector are illuminated at the average intensity of the scene. For each detector element, the ratio of the actual average intensity of the scene to the detector element's measured value of the average intensity is used to calibrate the detector element's measured values during the rest of the frame. In a further embodiment, more accurate calibration of the detector element's measured values is provided by additionally using the slope of the detector element's calibration curve in the calibration.

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Kiryat Yam, Israel

Micha Oron