Nonlinear resampling for both moire suppression and edge preservation

Dimitri Van De Ville; Koen N.A. Denecker; Wilfried R. Philips; Ignace L. Lemahieu

doi:10.1117/12.334586

22 December 1998 Nonlinear resampling for both moire suppression and edge preservation

Dimitri Van De Ville, Koen N.A. Denecker, Wilfried R. Philips, Ignace L. Lemahieu

Proceedings Volume 3648, Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts IV; (1998) https://doi.org/10.1117/12.334586
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

Moire formation is often a major problem in the printing applications. These artifacts introduce new low frequency components which are very disturbing. Some printing techniques, e.g. gravure printing, are very sensitive to moire. The halftoning scheme used for gravure printing can basically be seen as a 2D non-isotropic subsampling process. The more problem is much more important in gravure printing than in conventional digital halftoning since the degree of freedom in constructing halftone dots is much more limited due to the physical constraints of the engraving mechanism.

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Dimitri Van De Ville, Koen N.A. Denecker, Wilfried R. Philips, and Ignace L. Lemahieu "Nonlinear resampling for both moire suppression and edge preservation", Proc. SPIE 3648, Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts IV, (22 December 1998); https://doi.org/10.1117/12.334586

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KEYWORDS

Moire patterns

Printing

Fourier transforms

Halftones

Image processing

Scientific research

Laser engraving

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