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GB/T 33153-2025: Imaging materials - Reflection colour photographic prints - Test print construction and measurement
Status: Valid GB/T 33153: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33153-2025 | English | 524 |
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Imaging materials - Reflection colour photographic prints - Test print construction and measurement
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GB/T 33153-2025
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| GB/T 33153-2016 | English | 514 |
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Imaging materials -- Reflection colour photographic prints -- Test print construction and measurement
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GB/T 33153-2016
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PDF similar to GB/T 33153-2025
Basic data | Standard ID | GB/T 33153-2025 (GB/T33153-2025) | | Description (Translated English) | Imaging materials - Reflection colour photographic prints - Test print construction and measurement | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G80 | | Classification of International Standard | 37.040.20 | | Word Count Estimation | 26,237 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Older Standard (superseded by this standard) | GB/T 33153-2016 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 33153-2025: Imaging materials - Reflection colour photographic prints - Test print construction and measurement
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT33153-2025
ICS 37.040.20
CCSG80
National Standard of the People's Republic of China
Replaces GB/T 33153-2016
Image material reflective color photography
Preparation and measurement of test photos
(ISO 18944.2018, IDT)
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms, definitions and symbols 1
3.1 Terms and Definitions 1
3.2 Symbol 2
4 Requirement 2
5 Digital File Preparation 2
5.1 Digital test file usage 2
5.2 General requirements for digital test documents 3
5.3 Preparing digital test files 3
5.4 Printing Target Uniformity 4
6 Generate print target information 4
6.1 Digital Printing Preparation 4
6.2 Preparation of traditional gelatin silver salt photosensitive materials 4
6.3 Configuring the Printing System and Generating Printing Target Information 4
6.4 Post-printing processing of printed products
7 Print target hold and measurement conditions 5
7.1 Measuring time 5
7.2 Control and measurement conditions 5
8 Measurement of test patches 5
8.1 Measurement properties 5
9 Color Change Calculation 6
9.1 Overview 6
9.2 Primary Color Block Density Change Rate 6
9.3 Density change rate of secondary color blocks (mixed color blocks) 6
9.4 Density change rate of composite neutral color blocks 7
9.5 Color Balance Changes of Composite Neutral Color Blocks 7
9.6 Color Balance Changes of Secondary (Mixed) Color Patches 7
9.7 Colorimetric determination of the color balance of the Dmin color block 8
10 Report 8
10.1 Overview 8
10.2 Test report 8
Appendix A (Normative) Requirements for sRGB encoding of test target color patch values, optical density (OD) tolerances, and color patch selection process 9
A.1 Overview 9
A.2 sRGB Coded Values for sRGB Linear Targets 9
A.3 sRGB code values for CIELAB constant chromaticity targets 10
A.4 Optical density tolerance 13
A.5 Color Block Selection Method 13
Appendix B (Informative) Interpolation Method for Step Wedge Exposure 17
Reference 18
Preface
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 33153-2016 "Image material reflective color photography test photo structure and measurement" and
Compared with GB/T 33153-2016, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) Deleted some terms and definitions (see 3.1 to 3.6 and 3.8 of the.2016 edition);
b) Added "Symbol" (see 3.2);
c) Added “Analysis requirements for color changes during image stability” (see Chapter 4);
d) Deleted the content related to the use of digital test documents (see 5.1 of the.2016 edition);
e) Deleted the content related to general requirements for digital test documents (see 5.2 of the.2016 edition);
f) Deleted the content of the image printing stability test for digital files - CMYK (see 5.3.3 of the.2016 edition);
g) Deleted the content of preparing test files for the stability of digital image forming materials (see 5.4 of the.2016 edition);
h) Deleted the content related to target printability (see 5.4, 5.5 of the.2016 edition);
i) Deleted the uniformity under laboratory conditions (see 5.5 of the.2016 edition);
j) Deleted the content related to measurement and control conditions, and added ozone sensitivity test requirements (see 7.2, 7.2 of the.2016 edition);
k) Added test color patch measurement, color change calculation, and reporting (see Chapters 8 to 10);
l) Added R, G, B, C, M, Y and neutral color block values and neutral color block encoding values in sRGB linear targets (see Appendix A
Table A.1, Table A.2);
m) Changed the R, G, B, C, M, and Y color block values in the CIELAB colorimetric target (see Table A.5 in Appendix A,.2016 edition).
Table A.3, Table A.4);
n) Added Dmax exception processing method and color block selection processing equation (see A.5.5, A.5.6).
This document is equivalent to ISO 18944.2018 "Preparation and measurement of test prints for reflective colour photography of imaging materials".
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 was proposed by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Photosensitive Materials (SAC/TC102).
This document was drafted by. Lucky Film Co., Ltd., Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, and China Lucky Group Co., Ltd.
The main drafters of this document are. Xing Yanhong, Xuan Peng, Li Xiaojing, Ren Mingshu, Liu Qian, Gai Shuren, Zhou Shuyun, Di Fei, Sun Chenghua, Chen Long, and Fan Li.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2016 as GB/T 33153-2016;
---This is the first revision.
introduction
This document is one in a series of standards covering the physical properties, stability, and durability of imaging materials.
This document governs factors related to print target preparation and final print target measurement that may cause the measurement
The color and density values change.
The requirements in this document are used in conjunction with test methods where test data can be shared publicly, with the intention that test results can be used in conjunction with alternative test equipment.
Repeat during application.
Topics discussed in this document include.
---Digital file preparation;
--- Digital test file use;
---Print target uniformity;
---Printing system configuration and control;
---Test printing conditions;
---Measurement time and measurement conditions;
---Color patch, sRGB coded color patch value of test target and corresponding color patch selection;
---Density and colorimetric calculations of color changes.
Test target design and test print sample preparation are important factors in characterizing the image stability of printed materials, i.e., changes in color properties, such as
Minimal density variations, as well as lightness, hue, and chroma of colored and neutral patches.
The test goal is to select a specific color sample from the color space that represents the performance of the image stability in the expected instance.
Other important factors in this characterization process are the definition of the color attributes to be evaluated, the construction of indices, and the statistical evaluation of the data analysis.
Selection, such as the average, median or maximum variation of a single color or all colors. Unless the observer has formed an inner visual judgment, the measured
In this document, the color change properties of color patches and neutral patches are defined and calculated using the density method.
Small density changes are characterized by colorimetry. The purpose of evaluating color property changes is to
Provides a terminal system that can be used for the image life specification that is being developed in the series of photo life specification standards. Formerly color attributes
The definitions are contained in various test methods and are now incorporated into this document.
Image material reflective color photography
Preparation and measurement of test photos
1 Scope
This document specifies requirements and recommendations for digital test file content, printer settings, and printing procedures for generating print targets.
Standard and specification for test methods for image stability of reflective color photographic prints.
In addition, this document specifies the measurement procedure for the test color patches and how the color attributes are calculated during a given image stability test.
Sexual changes.
The definition of statistical procedures for data reduction and the translation of these changes into psychophysical endpoint levels are beyond the scope of this document, but
The results obtained using the methods defined in this document can provide for appropriate statistical evaluation and
End point system.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative 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.
gy-Densitymeasurements-Part 3.Spectralconditions)
Note. GB/T 11501-2008 Photographic density measurement Part 3.Spectral conditions (ISO 5-3.1995, IDT)
ISO 5-4 Photography and graphic techniques — 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)
ISO 11664-4 Colorimetry-Part 4.CIE 1976 L*a*b* color space
L*a*b* Colourspace)
ISO 13655 Graphic technology - Spectral measurement and colorimetric calculation of printed images
Note. GB/T 19437-2004 Printing technology - Spectral measurement and colorimetric calculation of printed images (ISO 13655.1996, IDT)
ISO 18913 Imaging materials - Permanence - Vocabulary
ISO 18941 Imaging materials - Test method for color reflective prints - Ozone gas fading stability
IEC 61966-2-1 Color measurement and management for multimedia systems and devices Part 2-1.Color management default RGB color space
Colourmanagement-DefaultRGB colorspace-sRGB)
3 Terms, definitions and symbols
3.1 Terms and Definitions
For the purposes of this document, the terms and definitions defined in ISO 18913 and the following apply.
ISO and IEC maintain terminology databases for standardization purposes at the following addresses.
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