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Proceedings Paper

An efficient low-complexity approach to color trapping
Author(s): Haiyin Wang; Mireille Boutin; Jeffery Trask; Jan P. Allebach
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Paper Abstract

CMYK color separation is a technique commonly used in printing to reproduce mutli-color images. However, the color planes are generally not perfectly aligned with respect to each other when they are rendered by the imaging stations. This phenomenon, called color plane mis-registration, causes gap and halo artifacts. Trapping algorithms aim to reduce these artifacts by scanning through an image, determining the edges susceptible to mis-registration errors, and moving the edge boundaries of the lighter colorants underneath the edge boundaries of the darker colorants. In this paper, we propose a low-complexity approach to automatic color trapping which hides the effects of small color plane mis-registrations without negatively affecting the overall quality of the printed image.

Paper Details

Date Published: 28 January 2008
PDF: 11 pages
Proc. SPIE 6807, Color Imaging XIII: Processing, Hardcopy, and Applications, 680716 (28 January 2008); doi: 10.1117/12.778620
Show Author Affiliations
Haiyin Wang, Purdue Univ. (United States)
Mireille Boutin, Purdue Univ. (United States)
Jeffery Trask, Hewlett-Packard (United States)
Jan P. Allebach, Purdue Univ. (United States)


Published in SPIE Proceedings Vol. 6807:
Color Imaging XIII: Processing, Hardcopy, and Applications
Reiner Eschbach; Gabriel G. Marcu; Shoji Tominaga, Editor(s)

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