Computer Science – Performance
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1108..255s&link_type=abstract
IN: Test and evaluation of infrared detectors and arrays; Proceedings of the Meeting, Orlando, FL, Mar. 27-29, 1989 (A90-40352 1
Computer Science
Performance
Drift (Instrumentation), Focal Plane Devices, Image Processing, Infrared Detectors, Stability Tests, Calibrating, Correction, Performance Tests, Pixels
Scientific paper
Consideration is given to techniques for the nonuniformity correction of IR staring focal plane arrays (FPAs), focusing on dirt in the array output. Results are presented from measurements of several MWIR FPAs to quantify drift of detector response as a function of time. The increase in spatial noise across the array is estimated, showing that this increase in caused by drift. It is found that drift in detector outputs is generally caused by either system instability or 1/f noise originating in the individual unit cells of the FPA. The general nature of drift and its effect on spatial noise is discussed. Measurements of 1/f noise are used to predict spatial noise.
Gridley C. J.
Kruer Melvin R.
Sarkady Kenneth A.
Scribner Dean A.
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