Matrix imaging method and system using a matrix detector with a plurality of sequentially illuminated detector elements for measuring radiation of separate portions of a scene being viewed
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United States of America Patent
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Nov 28, 1995
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N/A
app pub date -
Jul 30, 1993
filing date -
Jul 31, 1992
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Abstract
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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