HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GA 774.4-2008 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GA 774.4-2008English199 Add to Cart 3 days [Need to translate] Fingerprint feature specifications--Part 4: Way to mark a delta on a fingerprint Obsolete GA 774.4-2008

PDF similar to GA 774.4-2008


Standard similar to GA 774.4-2008

GA/T 424   GA 1210   GA 1051   GA/T 787   GA/T 765   GA/T 774   

Basic data

Standard ID GA 774.4-2008 (GA774.4-2008)
Description (Translated English) Fingerprint feature specifications--Part 4: Way to mark a delta on a fingerprint
Sector / Industry Public Security (Police) Industry Standard
Classification of Chinese Standard A92
Classification of International Standard 13.310
Word Count Estimation 4,462
Date of Issue 2008-07-24
Date of Implementation 2008-07-24
Quoted Standard GA 773-2008
Issuing agency(ies) Ministry of Public Security
Summary This standard specifies the labeling method of the location of the fingerprint triangle points. This standard applies to fingerprint automatic identification system.

GA 774.4-2008: Fingerprint feature specifications--Part 4: Way to mark a delta on a fingerprint

---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.
Fingerprint feature specifications - Part 4. Way to mark a delta on a fingerprint ICS 13.310 A92 People's Republic of China Public Security Industry Standards Fingerprint feature specification Part 4. Finger triangulation point Tagging Posted 2008-07-24 2008-07-24 implementation People's Republic of China Ministry of Public Security

Foreword

All technical content in this section is mandatory. GA 774 "fingerprint feature specification" is divided into five parts. --- Part 1. Finger direction; --- Part 2. Classification and fingerprint and description; --- Part 3. Tagging fingerprint center; --- Part 4. Finger triangulation point Tagging; --- Part 5. Tagging minutiae points. This is Part 4 GA 774 is. This part is proposed by the Ministry of Public Security Criminal Investigation Bureau. The criminal section of the National Criminal Information Technology Standardization Technical Committee Technical Committee (SAC/TC179/SC2) centralized. This section drafted by. Ministry of Public Security Criminal Investigation Bureau, Jiangsu Provincial Public Security Criminal Investigation Bureau, Ministry of Public Security Evidence Identification Center. The main drafters of this section. Wangying Wei, Zhou Xinmin, often Parker, Zhangguo Chen, Liu atlas, Chi Li Qiu, Yanhui Yong, Yan Xuesong. Ministry of Public Security Criminal Investigation Bureau commissioned this section shall be interpreted. Fingerprint feature specification Part 4. Finger triangulation point Tagging

1 Scope

This section specifies the labeling method GA 774 fingerprint triangulation point position. This section applies to AFIS.

2 Normative references

The following documents contain provisions which, through reference in this Part of GA 774 constitute provisions of this section. For dated references, All subsequent amendments (not including errata content) or revisions do not apply to this section, however, encourage the agreement on this section Whether the parties can study the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GA 773-2008 AFIS term

3 Terms and Definitions

GA 773-2008 terms and definitions apply to this section established.

4 Fingerprint triangulation point

4.1 Bow pattern No triangulation point. 4.2 Right Kei Shapes Left triangulation point. the center of the fingerprint left triangular structure of the triangle to the left position, shown in Figure 1. Figure 1 left triangle position 4.3 left Kei Shapes Right triangulation point. the center of the fingerprint on the right is a right triangle triangular structure position, shown in Figure 2.

2 Right triangulation point location map