GB/T 41988-2022 English PDF

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GB/T 41988-2022: Public security - Iris recognition applications - Technical requirements for iris images
Status: Valid

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GB/T 41988-2022	339	Add to Cart	4 days	Public security - Iris recognition applications - Technical requirements for iris images	Valid

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Basic data

Standard ID: GB/T 41988-2022 (GB/T41988-2022)
Description (Translated English): Public security - Iris recognition applications - Technical requirements for iris images
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A91
Classification of International Standard: 13.310
Word Count Estimation: 18,195
Date of Issue: 2022-10-14
Date of Implementation: 2023-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41988-2022: Public security - Iris recognition applications - Technical requirements for iris 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.
Public security -- Iris recognition applications -- Technical requirements for iris images ICS 13.310 CCSA91 National Standards of People's Republic of China Public Safety Iris Recognition Applications Image technical requirements Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Symbols and Abbreviations 2 5 Technical requirements 2 6 Example iris image 6 Appendix A (Informative) Methods for Estimating Eye Inclination, Gaze Elevation and Gaze Azimuth 7 Appendix B (Informative) Example iris image 9 Reference 15

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 proposed by the Ministry of Public Security of the People's Republic of China. This document is under the jurisdiction of the National Standardization Technical Committee of Security Alarm System (SAC/TC100). This document is drafted by. Tianjin Zhongke Hongxing Technology Co., Ltd., Institute of Automation, Chinese Academy of Sciences, Beijing Zhongke Hongba Technology Co., Ltd. Company, the First Research Institute of the Ministry of Public Security, Beijing University of Posts and Telecommunications, Beijing Eyes Intelligent Technology Co., Ltd., the Third Research Institute of the Ministry of Public Security, Tianjin Zhongkezhi Able to identify a limited company. The main drafters of this document. Li Haiqing, Hou Guangqi, Wang Yunlong, Sun Zhanan, Li Xingguang, He Zhaofeng, Liu Jing, Hou Hongchuan, Zhang Xinhui, Zhang Hui, Li Wenjie, Yang Chunlin, Liu Chaopeng, You Hanxu, Zhang Kunbo. Public Safety Iris Recognition Applications Image technical requirements

1 Scope

This document specifies the technical requirements for iris images in public safety iris recognition applications. This document applies to the collection, storage and identification of iris images in public safety iris recognition applications.

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 41786-2022 Terms of Biometric Identification in Public Safety

3 Terms and Definitions

The terms and definitions defined in GB/T 41786-2022 and the following apply to this document. 3.1 iriscenter The position of the circle center to fit the outer boundary of the iris with the circle model. 3.2 iris radius irisradius The radius of the circle that fits the outer boundary of the iris with the circle model. Example. see Figure 1. 3.3 pupil center The position of the circle center to fit the inner boundary of the iris with the circle model. 3.4 pupil radius The radius of the circle that fits the inner boundary of the iris with the circle model. Example. see Figure 1. ......

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