Updating a Spectral Printer Characterization Model Based on Ink Limitation Samples
LIU Qiang1, 2, 3, HUANG Zheng1, LI Qing-ming1, PENG Rui3, XUN Yi-jing3
1. Shenzhen Research Institute, Wuhan University, Shenzhen 518000, China
2. State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
3. School of Printing and Packaging, Wuhan University, Wuhan 430079, China
Abstract：Printer characterization is of crucial importance for the color management of color printing. The updating of spectral printer characterization model aims at maintaining the accuracy of the existed printer characterization model by certain corrective algorithm, when the printing substrate or ink cartidge is changed. In this study, a novel method was proposed to improve the modification performance for current printer characterization model, which derived the modification samples from ink limitation process. The superiority of the proposed method was verified by comparing its performance to a typical approach with regard to three different printing substrates. The experimental results show that the proposed approach outperformed its counterpart by promoting the spectral accuracy by 15%～20% while promoting the colorimetric accuracy by 10%～20%, with no need of extra sampling.
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