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Proceedings Paper

The study on physical dot gain of second-order FM halftone based on ink spreading in all ink superposition conditions
Author(s): Shi-kun Xi; Yi-xin Zhang
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Paper Abstract

Based on the feature of the second-order FM halftone dots and the interaction feature among ink, paper and air, a spectral prediction model for the second-order FM halftone prints for the spectral Neugebauer random mixing model and dot-on-dot mixing model is developed by using a weighting factor to signify the correlation proportion of two models. The new spectral prediction model also includes the Yule-Nielsen effect by taking into account ink spreading in all ink superposition conditions. We create an ink spreading function for each superposition condition to indicate the difference of ink spreading for ink dots printing on different superposition, which maps nominal to effective dot surface coverage. Our results shown that in the ink jet printing, the mean and max ΔE difference between measured and predicted values are 2.90 and 7.26, smaller than the difference predicted by the model that is not taken into account ink spreading, which are 5.52 and 12.81. The prediction accuracy is considerably improved by the new model.

Paper Details

Date Published: 24 January 2012
PDF: 10 pages
Proc. SPIE 8292, Color Imaging XVII: Displaying, Processing, Hardcopy, and Applications, 82921A (24 January 2012); doi: 10.1117/12.907224
Show Author Affiliations
Shi-kun Xi, Jiangnan Univ. (China)
Yi-xin Zhang, Jiangnan Univ. (China)


Published in SPIE Proceedings Vol. 8292:
Color Imaging XVII: Displaying, Processing, Hardcopy, and Applications
Reiner Eschbach; Gabriel G. Marcu; Alessandro Rizzi, Editor(s)

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