10 May 2013 Adaptive characterization method for desktop color printers
Author Affiliations +
J. of Electronic Imaging, 22(2), 023012 (2013). doi:10.1117/1.JEI.22.2.023012
With the rapid development of multispectral imaging technique, it is desired that the spectral color can be accurately reproduced using desktop color printers. However, due to the specific spectral gamuts determined by printer inks, it is almost impossible to exactly replicate the reflectance spectra in other media. In addition, as ink densities can not be individually controlled, desktop printers can only be regarded as red-green-blue devices, making physical models unfeasible. We propose a locally adaptive method, which consists of both forward and inverse models, for desktop printer characterization. In the forward model, we establish the adaptive transform between control values and reflectance spectrum on individual cellular subsets by using weighted polynomial regression. In the inverse model, we first determine the candidate space of the control values based on global inverse regression and then compute the optimal control values by minimizing the color difference between the actual spectrum and the predicted spectrum via forward transform. Experimental results show that the proposed method can reproduce colors accurately for different media under multiple illuminants.
© 2013 SPIE and IS&T
Hui-Liang Shen, Zhi-Huan Zheng, Chong-Chao Jin, Xin Du, Si-Jie Shao, John H. Xin, "Adaptive characterization method for desktop color printers," Journal of Electronic Imaging 22(2), 023012 (10 May 2013). https://doi.org/10.1117/1.JEI.22.2.023012

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