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Optical Engineering

Pixel size determination of a monitor using moiré fringe
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Paper Abstract

Displaying of images on monitors actually samples them. When a sinusoidal image is displayed on a monitor, a frequency that is much smaller than the frequency of the original image might be seen, which appears as a moiré fringe. Characteristics of this fringe depend on the geometry of the monitor's pixel lattice and the frequency of the displayed image. By changing the image frequency, one can access a moiré fringe of infinite period. In this situation, there is a simple relation between the image period and the monitor's pixel period. The estimated error in determining the number of the pixels of a monitor is a small fraction of 1 pixel.

Paper Details

Date Published: 1 March 2010
PDF: 7 pages
Opt. Eng. 49(3) 033608 doi: 10.1117/1.3365949
Published in: Optical Engineering Volume 49, Issue 3
Show Author Affiliations
Mohammad Reza Abolhassani, Arak Univ. (Iran, Islamic Republic of)

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