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GA/T 1949-2021 English PDF

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GA/T 1949-2021: Forensic sciences - Technical specifications for inspection of face image similarity
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Basic data

Standard ID GA/T 1949-2021 (GA/T1949-2021)
Description (Translated English) Forensic sciences - Technical specifications for inspection of face image similarity
Sector / Industry Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard A92
Word Count Estimation 15,196
Issuing agency(ies) Ministry of Public Security

GA/T 1949-2021: Forensic sciences - Technical specifications for inspection of face image similarity


---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.
Forensic sciences - Technical specifications for inspection of face image similarity ICS 13.310 CCSA92 People's Republic of China Public Safety Industry Standards Forensic Science Face Image Similarity Test Technical Specification 2022-05-01 Implementation Published by the Ministry of Public Security of the People's Republic of China

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 of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is submitted by the Criminal Investigation Bureau of the Ministry of Public Security. This document is under the jurisdiction of the National Criminal Technology Standardization Technical Committee Photographic Inspection Sub-Technical Committee (SAC/TC179/SC5). This document is drafted by. Physical Evidence Appraisal Center of Ministry of Public Security, Seventh Detachment of Criminal Investigation Corps of Beijing Public Security Bureau, Physical Evidence Appraisal Center of Tianjin Public Security Bureau Xin, Liaoning Provincial Public Security Department Criminal Technology Corps, Jilin Provincial Public Security Department Physical Evidence Identification Center, Jiangsu Provincial Public Security Department Criminal Police Corps, Zhejiang Provincial Public Security Department Criminal Investigation Corps, Anhui Provincial Public Security Department Physical Evidence Appraisal Management Office, Fujian Provincial Public Security Department Criminal Technology Corps, Guangdong Provincial Public Security Department Criminal Technology Center, Guizhou Provincial Public Security Bureau Security Bureau Criminal Investigation Team, Hubei Provincial Public Security Department Criminal Investigation Team, Jiangsu Yancheng Public Security Bureau Criminal Police Detachment, Shenzhen Public Security Bureau Criminal Police Detachment, Shangrao Municipal Public Security Bureau Security Bureau Criminal Police Detachment, People's Public Security University of China. The main drafters of this document. Li Zhihui, Xie Lanchi, Li Qingchun, Lu You, Song Qiang, Li Chuang, Wang Yelin, Ye Fangqing, Wang Niansong, Chen Hang, Lin Jing, Chen Chen, Chen Peng, Han Chaoyang, Wei Dong, Luo Wentao, Li Chunyu. Forensic Science Face Image Similarity Test Technical Specification

1 Scope

This document specifies the steps, methods and technical requirements for using the face image comparison system to identify face images. This document is suitable for face image feature inspection in forensic science audio-visual data inspection and identification.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 26237.5-2014 Information Technology Biometric Data Interchange Format Part 5.Face Image Data GA/T 922.2-2011 Security Face Recognition Application System Part 2.Face Image Data GA/T 1023-2013 Technical Specification for Portrait Inspection in Video

3 Terms and Definitions

GB/T 26237.5-2014, GA/T 922.2-2011, GA/T 1023-2013 and the following terms and definitions apply to this document. 3.1 faceimage faceimage An image that is recorded by means of photography, videography, etc. and contains the appearance and image information of the human face. 3.2 Faces in photos and video images of faces with unknown or uncertain identity information in the field of forensic science image. 3.3 sample face image faceimageassample Faces with known identity information or other information used for comparison with the face images of the inspection materials in the field of forensic science image. 3.4 facialfeature The innate growth morphology and acquired characteristics of the human face. 3.5 faceimagefeature The facial features that are reflected on the image and can be recognized by the facial image comparison system. 3.6 Abstract mathematical representation of face image features, usually a binary array.

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