Elimination of artifacts in interline charge-coupled device imagers.

Details Elimination of artifacts in interline charge-coupled device imagers. Elimination of artifacts in interline charge-coupled device imagers.

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991opten..30.1542t&link_type=abstract

Opt. Eng., Vol. 30, No. 10, p. 1542 - 1546

Physics

2

Scientific paper

Charge-coupled devices (CCDs) of interline transfer design are especially useful in imaging at high frame rates. However, their sensitivity to ionization radiation and the reduced effective opacity for vertical charge transfer registers cause undesired image artifacts. Random white spots from the radiation and "ghost" images (or smear) generated in the registers may severely impair the image quality. An electronic method of eliminating these artificats is described. Special sequences of pulses clock the CCD, quickly dumping the unwanted charge. The fast readout of images, cleared of artifacts, follows immediately.

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