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GB/T 45428-2025: Forensic sciences - Forged video and image of a person - Multispectral imaging examination
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Forensic sciences - Forged video and image of a person - Multispectral imaging examination
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GB/T 45428-2025
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Basic data | Standard ID | GB/T 45428-2025 (GB/T45428-2025) | | Description (Translated English) | Forensic sciences - Forged video and image of a person - Multispectral imaging examination | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A92 | | Classification of International Standard | 07.140 | | Word Count Estimation | 14,137 | | Date of Issue | 2025-02-28 | | Date of Implementation | 2025-06-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45428-2025: Forensic sciences - Forged video and image of a person - Multispectral imaging examination
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GB/T 45428-2025 English version. Forensic sciences - Forged video and image of a person - Multispectral imaging examination
ICS 07.140
CCSA92
National Standard of the People's Republic of China
Forensic Science. Multispectral Testing of Forged Portraits
Released on 2025-02-28
2025-06-01 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 1
4 Inspection Equipment 1
5 Test materials and samples 1
5.1 Multispectral Portrait Samples 1
5.2 Multispectral Portrait Sample 2
6 Inspection Step 3
6.1 Spectral calculation 3
6.2 Portrait Registration 3
6.3 Portrait Feature Extraction 3
6.4 Comparison test 3
7 Confidence Calculation 3
7.1 Calculation method selection 3
7.2 Comparison test confidence 4
7.3 Presentation Attack Comparison Verification Confidence 4
8 Test results 4
Appendix A (Informative) Examples and Instructions of Multispectral Detection Methods for Forged Portraits 5
A.1 Model-assisted verification 5
A.2 Comparison test 5
A.3 Presentation Attack Comparison Test 5
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.
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 issued by the Ministry of Public Security of the People's Republic of China.
This document is under the jurisdiction of the National Technical Committee on Criminal Technology Standardization (SAC/TC179).
This document was drafted by. Tsinghua University, Ministry of Public Security Identification Center, Institute of Automation, Chinese Academy of Sciences, Supreme People's Procuratorate Procuratorial Technology
Information Research Center, Beijing Municipal State Security Bureau Judicial Identification Center, Judicial Identification Science Research Institute, Guangzhou Criminal Science and Technology Research Institute,
Daqing Municipal Public Security Bureau, Shanghai SenseTime Intelligent Technology Co., Ltd.
The main drafters of this document are. Li Yali, Zhang Ning, Wang Shengjin, Zhai Wanfeng, Huang Wei, Wan Jun, Huang Yidong, Cui Kaiyu, Jiang Lan, Wang Kui, Li Jia,
Zhou Songdong, Chao Feng, Lin Jiancheng, Zeng Jinhua, Shi Shaopei, Wang Guansan, Jia Shiyou, Rao Shijie, Chen Xiaojuan.
Forensic Science. Multispectral Testing of Forged Portraits
1 Scope
This document describes the multispectral inspection method for forged portraits in the field of forensic science, including inspection equipment, inspection samples, inspection steps, confidence intervals, and so on.
Calculation and test result presentation.
This document applies to the presentation attack examination of multispectral portraits in the field of forensic science.
2 Normative references
The contents of the following documents constitute 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.
GB/T 45429 General principles for forensic science forged portrait inspection
3 Terms and definitions
The terms and definitions defined in GB/T 45429 and the following apply to this document.
3.1
Multispectral face image
Multispectral images containing facial information are captured using multispectral portrait acquisition equipment.
4.Inspection Equipment
4.1 Collection light sources and equipment, including cameras equipped with filters, multispectral cameras, hyperspectral cameras, etc. with band-segment collection capabilities
Multispectral imaging equipment, etc.
4.2 Storage devices and computing devices.
4.3 Multi-spectral forged portrait inspection system, functions include but are not limited to.
a) Identify common presentation attack methods such as 2D presentation attack and 3D presentation attack;
b) Make quality judgment on multispectral image data;
c) Input, display and save multispectral portrait data;
d) Single or batch input of multispectral image data;
e) Adjust and optimize the input multispectral image;
f) extracting multispectral features from multispectral portraits;
g) Calculate the confidence level.
5.Test materials and samples
5.1 Multispectral Portrait Samples
Pre-check the properties and parameters of the test materials, and select the test materials that meet the following conditions for multi-spectral testing.
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