Two-dimensional transforms for device color calibration

Raja Bala; Vishal Monga; Gaurav Sharma; Jean-Pierre R.M. Van de Capelle

doi:10.1117/12.539804

18 December 2003 Two-dimensional transforms for device color calibration

Raja Bala, Vishal Monga, Gaurav Sharma, Jean-Pierre R.M. Van de Capelle

Proceedings Volume 5293, Color Imaging IX: Processing, Hardcopy, and Applications; (2003) https://doi.org/10.1117/12.539804
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

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.

Citation Download Citation

Raja Bala, Vishal Monga, Gaurav Sharma, and Jean-Pierre R.M. Van de Capelle "Two-dimensional transforms for device color calibration", Proc. SPIE 5293, Color Imaging IX: Processing, Hardcopy, and Applications, (18 December 2003); https://doi.org/10.1117/12.539804

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