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GB/T 19437-2025: Graphic technology - Spectral measurement and colorimetric computation for graphic arts images
Status: Valid GB/T 19437: Evolution and historical versions
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| GB/T 19437-2025 | English | 934 |
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Graphic technology - Spectral measurement and colorimetric computation for graphic arts images
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GB/T 19437-2025
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| GB/T 19437-2004 | English | 524 |
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Graphic technology -- Spectral measurement and colorimetric computation for graphic arts images
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GB/T 19437-2004
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PDF similar to GB/T 19437-2025
Basic data | Standard ID | GB/T 19437-2025 (GB/T19437-2025) | | Description (Translated English) | Graphic technology - Spectral measurement and colorimetric computation for graphic arts images | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A17 | | Classification of International Standard | 37.100.01 | | Word Count Estimation | 46,421 | | Date of Issue | 2025-05-30 | | Date of Implementation | 2025-05-30 | | Older Standard (superseded by this standard) | GB/T 19437-2004 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 19437-2025: Graphic technology - Spectral measurement and colorimetric computation for graphic arts images
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 37.100.01
CCSA17
National Standard of the People's Republic of China
Replace GB/T 19437-2004
Printing Technology Spectrum of Printed Images
Measurement and color calculation
(ISO 13655.2017, IDT)
Released on 2025-05-30
2025-05-30 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Spectral measurement conditions 4
4.1 Instrument standardization and adjustment 4
4.2 Reflectivity factor measurement 4
4.3 Transmittance factor measurement 7
4.4 Self-luminous display (spectral radiation) measurement 8
5 Chromaticity calculation requirements 9
5.1 Calculation of tristimulus values for reflection and transmission samples 9
5.2 Calculation of tristimulus values for self-luminous displays 10
5.3 CIE1976 (L*a*b*) color space; CIELAB color space 11
6 Measurement data recording requirements 12
6.1 Necessary information 12
6.2 Recommended Information 12
6.3 Electronic data records13
Appendix A (Normative) Sample Backing 14
Appendix B (Informative) Geometric Conditions 18
Appendix C (Informative) Improving Inter-Instrument Consistency 20
Appendix D (Informative) Certified Reference Materials (CRMs) 21
Appendix E (Informative) Steps to Extend Bandwidth 23
Appendix F (Informative) Fluorescence Sample 24
Appendix G (Normative) Measurement method for UV blocking consistency 25
Appendix H (Informative) Special Cases. Use of Polarization 27
Appendix I (Informative) Example calculations for converting spectral measurements to tristimulus values 28
Appendix J (Normative) Calculation of CIELAB total color difference (ΔE*ab) 34
Appendix K (Normative) Calculation of total color difference (ΔE00) of CIEDE2000 35
Appendix L (Informative) Effect of measurement bandpass on spectral values 38
Reference 40
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 19437-2004 "Printing technology - spectral measurement and colorimetric calculation of printed images" and is compatible with GB/T 19437-
Compared with.2004, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope of the standard has been changed to apply to spectral measurements and
Chromaticity calculation (see Chapter 1, Chapter 1 of the.2004 edition);
b) Added adaptation to white, calibration, CIELAB chromaticity difference, opacity, opaque substrate, transparent substrate, radiation factor, and classification
Terms and definitions such as photometer, spectroradiometer, standardization, and long-range spectroradiometer (see Chapter 3);
c) Added the provisions for measurement conditions M0, M1, M2 and M3 (see 4.2.2);
d) Added requirements for data records (see 4.2.5);
e) Added the conditions, methods and data recording requirements for the measurement of self-luminous displays (spectral radiation) (see 4.4 and 5.2);
f) The Appendix D of the.2004 edition of the sample backing material has been changed to Appendix A of the sample backing material, which specifies the standard black backing material, standard
Methods related to the measurement of quasi-white backing, black/white backing conversion and transparent materials (see Appendix A, Appendix D of the.2004 edition);
g) The measurement geometry conditions in Appendix E of the.2004 edition have been modified to define the angle, fill, sampling aperture, scanning area in reflection measurement.
Methods and conditions for field and transmission measurements (see Appendix B, Appendix E of the.2004 edition);
h) The Appendix H of the.2004 edition has been modified to improve the consistency of measurements between instruments, and to make further changes to equipment calibration, measurement conditions, reference materials, etc.
Regulations have been implemented (see Appendix C, Appendix H of the.2004 edition);
i) Added Appendix D certified reference materials (see Appendix D);
j) Added Appendix G. Measurement method for UV blocking consistency (see Appendix G);
k) Added Appendix H Special Cases. Use of Polarization (see Appendix H);
l) Appendix F Fluorescence Samples has been modified (see Appendix F, Appendix G of the.2004 edition);
m) Added Appendix I for example calculation of converting spectral measurement values into tristimulus values (see Appendix I);
n) Added Appendix K CIE DE2000 calculation of total color difference (ΔE00) (see Appendix K);
o) Added Appendix L on the influence of measurement bandpass on spectral values (see Appendix L).
This document is equivalent to ISO 13655.2017 "Graphic technology - spectral measurement and colorimetric calculation of printed images".
The following minimal editorial changes were made to this document.
--- According to usage habits, the standard light source code D50 is changed to D50;
---Remove the superscripts of references in the text.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is submitted by the State Administration of Press and Publication.
This document is under the jurisdiction of the National Printing Standardization Technical Committee (SAC/TC170).
This document was drafted by. Shanghai Publishing and Printing College, Shanghai Tobacco Packaging and Printing Co., Ltd., Guangdong Zhuhai Quality Planning Institute
Quality Supervision and Inspection Institute, Guangdong Golden Crown Technology Co., Ltd., Changchun Jixing Printing Co., Ltd., Forest Packaging Group Co., Ltd.,
Printing Industry (Qingdao) Digital Technology Co., Ltd., Jiangnan University, Shanghai Zhonghua Commercial Joint Printing Co., Ltd., Tianjin Yiyao Printing Co., Ltd.,
Guangdong Xinhongze Packaging Co., Ltd., Liaocheng University Dongchang College, Zhengzhou Huaying Packaging Co., Ltd., Hubei Guangcai Printing Co., Ltd.
Co., Ltd., Guangdong Shiteng Smart Technology Co., Ltd., Beijing Founder Injet Digital Technology Co., Ltd., Xinzheng Jilong Packaging Materials Co., Ltd., Liaocheng
Huacai Printing Co., Ltd., Wuhan Huagong Image Technology Development Co., Ltd., Xuchang Hengyuantong Printing Co., Ltd., Chuxiong Hongxin Printing (collection
Group) Co., Ltd., Hangzhou Dianzi University, Dongguan Yonghuahao Information Technology Co., Ltd., Hubei Jinsanxia Printing Co., Ltd., Henan Jin
Ming Paper Co., Ltd., Suzhou Yali Printing Co., Ltd., Zhejiang Cangtian Intelligent Information Technology Co., Ltd., Zhuhai Chuanmei New Materials Co., Ltd.
Co., Ltd., Foshan Huayu Color Printing Co., Ltd., Caipu Technology (Zhejiang) Co., Ltd., Wuhan Hongzhicai Packaging and Printing Co., Ltd., Zhengzhou Gold
Ye Industrial Co., Ltd., Yiheng (Weihai) Information Technology Consulting Service Co., Ltd., Henan Huafu Packaging Technology Co., Ltd., Zhuhai Economic
Special Zone Chengcheng Printing Co., Ltd., Shenzhen Xiandi Image Technology Co., Ltd., Guangdong Xingyi Digital Printing Co., Ltd., Shandong Shengxiang Printing
Brush Co., Ltd., Henan Lianfa Paper Co., Ltd., Kunming Wucai Printing Co., Ltd., Qingdao Yuncheng Plate Making Co., Ltd.
The main drafters of this document are. Yang Shengwei, Kong Lingjun, Luo Long, Bi Mingzhu, Chen Guangxue, Wang Zhiming, Wu Guoxiang, Su Chengminglei, Dai Junping,
Wang Mengmeng, Ding Wenguang, Shen Caihe, Wang Jinting, Li Zhenhua, Rao Fei, Zhang Dandan, Zhu Huiqiang, Ge Man, Ding Zhenqian, Wang Jian, Fang Zhichao, Wu Zhiqiang,
Lu Qin, Xu Xiaoguang, Kou Yage, Jin Xuehong, Wang Qiang, Yang Jingzhi, Lei Yu, Liu Shuilin, Zhong Xiaochun, Zhou Chaojun, Wang Jianan, Zhang Yunjie, Wu Xiaoyi,
Yuan Kun, Sun Peng, Jia Jinping, Ma Falai, Duan Jinli, Wang Zhi, Guo Jiansen, Fu Xiuke, Chen Naiqi, Huang Zhen, Yan Wei, Peng Baojian, Tang Xiaoqing, Huang Xinjian.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2004 as GB/T 19437-2004;
---This is the first revision.
Printing Technology Spectrum of Printed Images
Measurement and color calculation
1 Scope
This document specifies the procedures for measuring and calculating the colorimetry of reflective objects, transmissive objects and self-luminous objects (e.g. flat panel displays).
The printing process includes but is not limited to material preparation and batch production of the printing process, printing
Brush processes include offset printing, letterpress printing, flexographic printing, gravure printing, screen printing and digital printing.
This document is not intended for spectral measurements of other specific application requirements, such as those used in the production of printing paper and proofing media materials.
Spectral measurements.
2 Normative references
The contents of the following documents constitute the essential terms of this document through standardized references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
Note. GB/T 11500-2008 Photographic density measurement Part 2.Geometric conditions for perspective density (ISO 5-2.2001, IDT)
ISO 5-4.2009 Photography and graphic arts density measurement Part 4.Geometric conditions for reflection density
Note. GB/T 12823.4-2008 Photographic density measurement Part 4.Geometric conditions for reflection density (ISO 5-4.1995, IDT)
tions)
ISO /CIE11664-1 Colorimetry-Part 1.CIE standard colorimetry observer
ISO /CIE11664-3 Colorimetry-Part 3.CIEtristimulusval-
ISO /CIE11664-4 Colorimetry-Part 4.CIE1976L*a*b* Color Space
1976L*a*b*colourspace)
ISO 28178 Graphic technology uses XML or ASCII text as an exchange format for color and process control data
CIE Publication 15.2004, Colorimetry, 3rd ed.
CIE Publication 167.2005 Recommended Practice for Tabulating Spectral Data in Color Calculations (CIE Publication 167.2005, Re-
CIE Publication 176.2006 Geometric Tolerances of Color Measurement
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