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Volume: 4 | Article ID: art00104
Spectral Color Reproduction of Paintings
  DOI :  10.2352/CGIV.2008.4.1.art00104  Published OnlineJanuary 2008

A spectral-based imaging system was constructed consisting of a two-sequential-absorption-filter-CFA digital camera and a seven-color inkjet printer and used to image and print a post-impressionist style painting such that matches were generated for CIE Illuminants D65 and A. Camera calibration was learning based using the Matrix R method. Rendered images for both illuminants were inputted to a color separation algorithm. First, conventional colorimetric gamut mapping was performed for the designated primary illuminant. Second, each pixel was transformed into a metameric printer gamut, that is, all possible ink combinations matching the primary illuminant. The ink combination with the smallest color difference for the secondary illuminant was selected as the color separation. Prints were prepared for each combination of primary and secondary illuminant and repeated for both CIE standard observers. The method was successful within limits of camera and printer spectral accuracy, ink design, and illuminant and observer metamerism.

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Roy S. Berns, Lawrence A. Taplin, Philipp Urban, Yonghui Zhao, "Spectral Color Reproduction of Paintingsin Proc. IS&T CGIV 2008/MCS'08 4th European Conf. on Colour in Graphics, Imaging, and Vision 10th Int'l Symp. on Multispectral Colour Science,  2008,  pp 484 - 488,

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