COLOR AND HIGH-DYNAMIC-RANGE IMAGING

Novel color printer characterization model

[+] Author Affiliations
Alessandro Artusi, Alexander Wilkie

Vienna University of Technology, Institute of Computer Graphics and Algorithms, Favoritenstrasse 9/11 E186, A-1040?Vienna, Austria E-mail: artusi@cg.tuwien.ac.at

J. Electron. Imaging. 12(3), 448-458 (Jul 01, 2003). doi:10.1117/1.1579016
History: Received Jun. 4, 2001; Revised Feb. 8, 2002; Revised Jun. 24, 2002; Accepted Oct. 16, 2002; Online July 23, 2003
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A key problem in multimedia systems is the faithful reproduction of color. One of the main reasons why this is a complicated issue is the different color reproduction technologies used by the various devices; displays use easily modeled additive color mixing, while printers use a subtractive process, the characterization of which is much more complex than that of self-luminous displays. To resolve these problems several processing steps are necessary, one of which is accurate device characterization. We examine different learning algorithms for one particular neural network technique that already has been found to be useful in related contexts—namely, radial basis function network models—and propose a modified learning algorithm that improves the colorimetric characterization process of printers. In particular our results show that it is possible to obtain good performance using a learning algorithm that is trained on only small sets of color samples, and use it to generate a larger look-up table (LUT) through the use of multiple polynomial regression or an interpolation algorithm. We deem our findings to be a good starting point for further studies on learning algorithms used in conjunction with this problem. © 2003 SPIE and IS&T.

© 2003 SPIE and IS&T

Citation

Alessandro Artusi and Alexander Wilkie
"Novel color printer characterization model", J. Electron. Imaging. 12(3), 448-458 (Jul 01, 2003). ; http://dx.doi.org/10.1117/1.1579016


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