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Antialiasing: A technique for smoothing jagged lines on a computer graphics image—an implementation on the Amiga

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Abstract

Images displayed on computer graphics displays often suffer from the presence of aliasing artifacts that give a jagged appearance to lines or polygon edges displayed on the screen. This paper details the problems associated with these artifacts and presents a method for drawingantialiased lines—ones in which the artifacts have been considerably reduced. The line-drawing routine is further developed to incorporategamma correction, to take into account the nonlinear relationship between the intensity of the light emission from the phosphor of the monitor and the grayscale values used to control the intensity on the screen.

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Authors and Affiliations

  1. Psychology Department, University of Waterloo, N2L 3G1, Waterloo, Ontario, Canada

    Peter P. Tanner, Pierre Jolicoeur, William B. Cowan, Kellogg Booth & Flynn D. Fishman

Authors
  1. Peter P. Tanner
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  2. Pierre Jolicoeur
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  3. William B. Cowan
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  4. Kellogg Booth
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  5. Flynn D. Fishman
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We thank Keith McGowan for his timely assistance.

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Tanner, P.P., Jolicoeur, P., Cowan, W.B. et al. Antialiasing: A technique for smoothing jagged lines on a computer graphics image—an implementation on the Amiga. Behavior Research Methods, Instruments, & Computers 21, 59–66 (1989). https://doi.org/10.3758/BF03203871

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  • DOI: https://doi.org/10.3758/BF03203871

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