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Proceedings Paper

Optimizing CMYK mapping for high speed digital inkjet webpress
Author(s): Ruzhu Zeng; Huanzhao Zeng
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Paper Abstract

The CMYK to CMYK mapping preserving the black channel is a method to solve the problem in standard ICC color management that lacks the capability of preserving the K channel for printing CMYK contents. While the method has been successfully used for digital commercial printing, limitations and areas for improvement are found. To address these problems in generating CMYK re-rendering tables, an alternative method is developed. The K usage and total ink usage are optimized in a color separation step. Instead of preserving the K channel globally, it preserves K-only gray contents and maps other colors by optimizing the print quality and ink usage. Experiments verify that the method significantly improves the print quality.

Paper Details

Date Published: 4 February 2013
PDF: 5 pages
Proc. SPIE 8652, Color Imaging XVIII: Displaying, Processing, Hardcopy, and Applications, 86520O (4 February 2013); doi: 10.1117/12.2003152
Show Author Affiliations
Ruzhu Zeng, Liming Vocational Univ. (China)
Huanzhao Zeng, Qualcomm Inc. (United States)

Published in SPIE Proceedings Vol. 8652:
Color Imaging XVIII: Displaying, Processing, Hardcopy, and Applications
Reiner Eschbach; Gabriel G. Marcu; Alessandro Rizzi, Editor(s)

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