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Proceedings Paper

Two-dimensional transforms for device color calibration
Author(s): Raja Bala; Vishal Monga; Gaurav Sharma; Jean-Pierre R.M. Van de Capelle
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Paper Abstract

Color device calibration is traditionally performed using one-dimensional per-channel tone-response corrections (TRCs). While one-dimensional TRCs are attractive in view of their low implementation complexity and efficient real-time processing of color images, their use severely restricts the degree of control that can be exercised along various device axes. A typical example is that 1-D TRCs in a printer can be used to either ensure gray balance along the C = M = Y axis or to provide a linear response in ΔE units along each of the individual (C, M and Y) axis but not both. This paper proposes a novel two-dimensional calibration architecture for color device calibration that enables significantly more control over the device color gamut with a modest increase in implementation cost. Results show significant improvement in calibration accuracy and stability when compared to traditional 1-D calibration.

Paper Details

Date Published: 18 December 2003
PDF: 12 pages
Proc. SPIE 5293, Color Imaging IX: Processing, Hardcopy, and Applications, (18 December 2003); doi: 10.1117/12.539804
Show Author Affiliations
Raja Bala, Xerox Corp. (United States)
Vishal Monga, Univ. of Texas/Austin (United States)
Gaurav Sharma, Univ. of Rochester (United States)
Jean-Pierre R.M. Van de Capelle, Xerox Corp. (United States)


Published in SPIE Proceedings Vol. 5293:
Color Imaging IX: Processing, Hardcopy, and Applications
Reiner Eschbach; Gabriel G. Marcu, Editor(s)

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