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Proceedings Paper

Sampling And Aliasing Problems With Imaging Arrays
Author(s): Andreas Nordbryhn
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Paper Abstract

In solid state imaging arrays aliasing is most certain to occur, unless some sort of presampling filters are used. A presampling filter would be an optical low-pass filter. Using incoherent light, there is a limit to how ideal such a filter can be made. Loss of contrast will always occur during prefiltering. Therefore there will be a trade-off between aliasing and contrast loss. A review of this problem is given. It is argued that with some applications, aliasing is not very harmful. This corresponds well to the common, practical use of solid state imagers, where no anti-aliasing filters are applied.

Paper Details

Date Published: 14 May 1984
PDF: 6 pages
Proc. SPIE 0467, Image Assessment: Infrared and Visible, (14 May 1984); doi: 10.1117/12.941599
Show Author Affiliations
Andreas Nordbryhn, Central Institute for Industrial Research (Norway)


Published in SPIE Proceedings Vol. 0467:
Image Assessment: Infrared and Visible
Thomas L. Williams, Editor(s)

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