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color prediction for print based on Kubelka-Munk theory and under ink penetration
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Paper Abstract

In 1931, Kubelka and Munk introduced two-flux Kubelka-Munk model based on radiative transfer theory[1]. But the model has lots of strict conditions. In 1942, Saunderson introduced revised method, for there would occur multiple inside reflection in the interface of print, and it would induce density increase in the ink layer, and influenced prediction precision. Dot gain is always the difficult problem in print, it includes physics gain and optical gain. Kubelka-Munk model didn't consider dot gain's effect, especially optical gain. There are many methods to calculate dot gain. Many of them are based on point spread function principle[5]. Recently, Yang Li corrects the scattering coefficient S and absorption coefficient K in the Kubelka-Munk model based on statistical physics theory[2][3][4]. This makes the model has more widely applications. This article, taking into account of oil layer, oil penetration layer and paper layer respectively, thinking over multiple reflection and optical dot gain, builds a new halftone color prediction model.

Paper Details

Date Published: 19 January 2009
PDF: 6 pages
Proc. SPIE 7241, Color Imaging XIV: Displaying, Processing, Hardcopy, and Applications, 72411O (19 January 2009); doi: 10.1117/12.810111
Show Author Affiliations
Guoyun Shi, Jiangnan Univ. (China)
Na Dong, Jiangnan Univ. (China)
Yixin Zhang, Jiangnan Univ. (China)

Published in SPIE Proceedings Vol. 7241:
Color Imaging XIV: Displaying, Processing, Hardcopy, and Applications
Reiner Eschbach; Gabriel G. Marcu; Shoji Tominaga; Alessandro Rizzi, Editor(s)

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