Spectral-based color separation method for a multi-ink printer |
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Authors: | Binyu Wang Haisong Xu M. Ronnier Luo and Jinyi Guo |
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Affiliation: | 1 , 2 1 State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China 2 Department of Colour Science, University of Leeds, Leeds, LS2 9JT, UK |
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Abstract: | A spectral-based 8-ink characterization model is developed to accurately predict the recipe for a multi-ink printer. The 8-ink color separation method is a union of five 3-ink and six 4-ink combinations based on the cellular Yule-Nielsen spectral Neugebauer model with a recipe selection strategy. The performance levels of the forward and backward models are evaluated for individual ink combinations using printed testing samples. Furthermore, the spectral-based method performs better compared with the XYZ-based approach. On the basis of the backward model performance, a novel fast recipe selection strategy is proposed and estimated. |
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