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Precision of Measurement of the Coordinates of an Image on a CCD Matrix
Authors:A. N. Korolev  A. I. Gartsuev
Affiliation:(1) Dept. Physics, Moscow Power Engineering Institute, Krasnokazarmennaya 17, 111250 Moscow, Russia;
Abstract:The displacements of the light-sensing elements of a CCD matrix in the course of thermal stabilization after the CCD matrix has been switched on are measured. It is shown that the deformations in the matrix exhibit high isotropicity. The uncertainty in the determination of the coordinates of crosshairs on a CCD matrix is estimated and shown to be on the order of 1 nm.
Keywords:CCD matrix  pixel  image processing  center of gravity of image  multiframe accumulation
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