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Fingerprint feature specification--Part 3: Way to mark a core on a fingerprint
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GA 774.3-2008
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Basic data | Standard ID | GA 774.3-2008 (GA774.3-2008) | | Description (Translated English) | Fingerprint feature specification--Part 3: Way to mark a core on a fingerprint | | Sector / Industry | Public Security (Police) Industry Standard | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 6,613 | | 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 location and direction of the fingerprint center point labeling method. This standard applies to fingerprint automatic identification system. | GA 774.3-2008: Fingerprint feature specification--Part 3: Way to mark a core 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 specification - Part 3. Way to mark a core on a fingerprint
ICS 13.310
A92
People's Republic of China Public Security Industry Standards
Fingerprint feature specification
Part 3. fingerprint center 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 3 GA 774 is.
This section of Appendix A normative appendix.
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, birch, Yan Xuesong, Yanhui Yong.
Ministry of Public Security Criminal Investigation Bureau commissioned this section shall be interpreted.
Fingerprint feature specification
Part 3. fingerprint center Tagging
1 Scope
This section specifies the labeling method GA 774 fingerprint center point position and direction.
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 center
4.1 Bow pattern center
4.1.1 arcuate groove center
4.1.1.1 Location
Fingerprint pattern within the center, from the bottom up, take the ridge protrusion, maximum curvature, apex arcuate first complete line for the center position, see
Figure 1.
Figure 1 center position and orientation of the arcuate groove
4.1.1.2 directions
From the center point to the foundation of the vertical direction of the line direction as the center, see Figure 1.
4.1.2 Post-shaped pattern center
4.1.2.1 Location
Fingerprint pattern within the center, take the upright or inclined straight line to prop up the more complete the first of the arcuate center line of the vertex position,
See Figure 2.
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