Matrix imaging method and system using a matrix detector with a

Details Matrix imaging method and system using a matrix detector with a Matrix imaging method and system using a matrix detector with a

1993-07-30

1995-11-28

Allen, Stephone B.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250332, H01J 4014

Patent

active

054710472

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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