波段分区的数码喷墨印花机光谱特性化模型

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英文篇名：Spectral reflectance piecewise partition model for characterizing digital inkjet printer 作者：田全慧 ; 顾萍 ; 朱明 英文作者：TIAN Quanhui;GU Ping;ZHU Ming;Green Platemaking and Standardization Key Laboratory for Flexographic Printing,Shanghai Publishing and Printing College;School of Materials and Chemical Engineering,Henan University of Engineering; 关键词：数码喷墨印花机 ; 光谱特征化 ; 光谱波段分区 ; 设备特征化 英文关键词：digital inkjet printer;;spectral characterization;;spectral piecewise partition;;device characterization 中文刊名：FZXB 英文刊名：Journal of Textile Research 机构：上海出版印刷高等专科学校国家新闻出版署柔版印刷绿色制版与标准化实验室;河南工程学院材料与化学工程学院; 出版日期：2019-04-15 出版单位：纺织学报 年：2019 期：v.40;No.397 基金：国家自然科学基金项目(61301231);; 柔版印刷绿色制版与标准化实验室重点实验室招标项目(ZBKT201703) 语种：中文; 页：FZXB201904024 页数：5 CN：04 ISSN：11-5167/TS 分类号：146-150

摘要

为提高数码喷墨印花技术颜色复制质量,研究了数码喷墨印花机的光谱特性化模型,提出基于光谱反射率的波段分区的数码喷墨印花机特性化模型。该模型针对31维光谱反射率数据与喷墨印花设备驱动值间的非线性关系,按照反射率波段进行分区,在不同波段分区中使用高次多项式拟合喷墨印花设备输出驱动值与颜色光谱数据的转换,通过转换矩阵实现数码喷墨印花设备的光谱特性化,将该光谱特性化模型应用于蚕丝织物输出实验。结果表明:90%的蚕丝织物喷墨印花色样的测量结果与光谱特性化估算结果的均方根误差都小于0. 001 2,其中最大误差为0. 001 9,平均误差值为0. 000 8; 90%的喷墨印花色样与估算结果的色差小于1. 0 NBS,最大色差为5. 709 9 NBS,平均色差为0. 570 0 NBS。
        In order to improve the quality of color reproduction of digital inkjet printing,this paper studied the spectral characteristics of the printer which is the key technology for the textile inkjet printing,and presented a spectral reflectance piecewise partition model( SRPPM) for characterizing digital textile inkjet printing. Based on the nonlinear relationship between the 31 dimensional spectral reflectance and the digital driving data of the ink-jet printer,the model partitioned according to the reflectance band,used the nonlinear high order polynomial to fit the characteristic conversion coefficient between the output driving data and the color spectral reflectance in different bands,and applied the spectral characteristics of the digital inkjet printer by the obtained conversion matrix. Experimental results with skill textile show that the90% spectral errors of testing color samples are less than 0. 001 2,the maximum spectral error is 0. 001 9,and the average spectral error is 0. 000 8. While the 90% color differences of testing color samples are less than 1. 0 NBS,the maximum value is 5. 709 9 NBS and the average value is 0. 570 0 NBS.

引文

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