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Pixel independence: measuring spatial interactions on a CRT display.

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Affiliations

  • 1. Department of Psychology, New York University, NY 10003, USA.
      Authors
    • Pelli DG 1
    (1 author)

Spatial Vision, 01 Jan 1997, 10(4):443-446
https://doi.org/10.1163/156856897x00375 PMID: 9176954 

Abstract 

The standard working assumption of careful CRT imaging is that each pixel is imaged independently, through a point nonlinearity (the monitor's gamma function, relating screen luminance to input voltage), and then blurred by the point-spread function of the beam spot on the phosphor. Unfortunately most monitors have inadequate video bandwidth, DC restoration, and high-voltage regulation to live up to this ideal model. Two tests are recommended for assessing a CRT's deviation from the pixel-independence model.

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Read article at publisher's site: https://doi.org/10.1163/156856897x00375

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