24 January 2012 Deducing ink thickness variations of fluorescent print by a spectral prediction model
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In the color printing process, the thickness and uniformity of ink have a great affect on the color reproduction. The ink thickness uniformity is an important parameters of measuring the quality of printing. Based on the fluorescent additives may absorb ultraviolet light and exit blue light or visible light and by considering the expansion of the ink, optical properties of paper with fluorescent additives , the internal lateral spread of light in paper with fluorescent additives and the fluorescent Clapper-Yule spectral reflectance prediction model, we introduce two factor parameters which are the initial thickness of the inks and the factor of ink thickness variation. A model for deducing ink thickness variations of printing on the fluorescent substrate is developed by the least square method and the spectrum reflectance of prints which measures the ink thickness variations. The correctness of the conclusions are verified by experiment.
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Qingjuan Wang, Qingjuan Wang, Yixin Zhang, Yixin Zhang, Dongwen Tian, Dongwen Tian, } "Deducing ink thickness variations of fluorescent print by a spectral prediction model", Proc. SPIE 8292, Color Imaging XVII: Displaying, Processing, Hardcopy, and Applications, 829217 (24 January 2012); doi: 10.1117/12.905801; https://doi.org/10.1117/12.905801

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