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| GA 789-2008 | English | 159 |
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Technical requiremtns of converting palm print image data
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GA 789-2008
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Basic data | Standard ID | GA 789-2008 (GA789-2008) | | Description (Translated English) | Technical requiremtns of converting palm print image data | | Sector / Industry | Public Security (Police) Industry Standard | | Classification of Chinese Standard | A92 | | Classification of International Standard | 13.310 | | Word Count Estimation | 3,377 | | 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 source, size and presentation format of the palmprint image data. This standard applies to palmprint automatic identification system palmprint image data. | GA 789-2008: Technical requiremtns of converting palm print image data---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.
Technical requiremtns of converting palm print image data
ICS 13.310
A92
People's Republic of China Public Security Industry Standards
Technical conditions palmprint image data conversion
Posted 2008-07-24
2008-07-24 implementation
People's Republic of China Ministry of Public Security
Foreword
All the technical contents of this standard is mandatory.
This standard was proposed by the Ministry of Public Security Criminal Investigation Bureau.
This standard by the National Criminal Criminal Information Technology Standardization Technical Committee Technical Committee (SAC/TC179/SC2) centralized.
This standard was drafted. 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 standard. Wangying Wei, Zhou Xinmin, often Parker, Zhangguo Chen.
The standard commission Ministry of Public Security Criminal Investigation Bureau is responsible for interpretation.
Technical conditions palmprint image data conversion
1 Scope
This standard specifies the palmprint image data source, size and presentation formats.
This standard applies to automatic palmprint image data palmprint identification system.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GA 773-2008 AFIS term
3 Terms and Definitions
GA 773-2008 terms and definitions apply to this standard established.
4 palmprint image source
4.1 stamped palmprint image source black ink handprint or palmprint image acquisition with live instruments obtained. Including flat palm and palm outer
Pattern. Palm flat planar stamped; outer palm stamped using the 45 ° plane.
4.2 palmprint image source for photographic scene extraction, tape extraction, physical extraction and other sources.
5 grayscale image data
Uncompressed each pixel grayscale palmprint image quantized to 256, is represented by an unsigned 8-bit bytes. Black Like
Plain gray value 0 and white pixel gray value of 255.
6 image resolution
6.1 palmprint image resolution units dpi.
6.2 palmprint image resolution of 500dpi, a tolerance of ± 1%.
7 image scanning order
Palmprint image scanning in order from left to right, top to bottom.
8 image acquisition and feature extraction area
8.1 palmprint image acquisition plane full size. 2304 pixel width, length 3584 pixels.
8.2 palmprint image plane collection area. 2304 pixel width, length 2304 pixels.
8.3 flat palmprint feature extraction area. 2304 pixel width, length 2304 pixels.
8.4 side palmprint image capture size. 1024 pixel width, length 1968 pixels.
8.5 side palmprint feature extraction area. 1024 pixel width, length 1968 pixels.
8.6 palmprint image acquisition field size. width of not less than 512 pixels and no more than 2304 pixels; a height of not less than 512 pixels, not
Greater than 2304 pixels.
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