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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 67, Iss. 9 — Sep. 1, 1977
  • pp: 1147–1154

Analysis of halftone dot profile and aliasing in the discrete binary representation of images

J. P. Allebach and B. Liu  »View Author Affiliations

JOSA, Vol. 67, Issue 9, pp. 1147-1154 (1977)

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Screening techniques are widely used in the binary display of continuous-tone images by digital output devices. The quality of the halftone image resulting from such a nonlinear transformation is dependent on the dot profile employed. In the Fourier domain, aliasing degrades the halftone image. The relationship between image quality and dot profile is studied from this point of view. For a well-known dot profile, it is shown analytically how aliasing is suppressed, and that quantization contouring may be eliminated without an appreciable increase in aliasing.

© 1977 Optical Society of America

J. P. Allebach and B. Liu, "Analysis of halftone dot profile and aliasing in the discrete binary representation of images," J. Opt. Soc. Am. 67, 1147-1154 (1977)

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  1. K. Knowlton and L. Harmon, "Computer-Produced Grey Scales," Comput. Graph. Image Process. 1, 1–20 (1972).
  2. J. F. Jarvis, C. N. Judice, and W. H. Ninke, "A Survey of Techniques for the Display of Continuous-Tone Pictures on Bilevel Displays," Comput. Graph. Image Process. 5, 13–40 (1976).
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  10. J. P. Allebach and B. Liu, "Random Quasi-Periodic Halftone Process," J. Opt. Soc. Am. 66, 909–917 (1976).

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