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Technical requirements for finger vein recognition images in secur ity systems
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GA/T 940-2012
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Basic data Standard ID | GA/T 940-2012 (GA/T940-2012) | Description (Translated English) | Technical requirements for finger vein recognition images in secur ity systems | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | Classification of Chinese Standard | A91 | Classification of International Standard | 13.310 | Word Count Estimation | 10,178 | Date of Issue | 2012-12-26 | Date of Implementation | 2013-03-01 | Quoted Standard | GA 777.1-2008; GA/T 893-2010; ISO/IEC 19794.9 | Regulation (derived from) | Announcement on Publication of Public Safety Industry Standard; Industry Standard Record Announcement No. 3 of 2013 (No. 159) | Issuing agency(ies) | Ministry of Public Security | Summary | This standard specifies the technical requirements for finger vein image quality and data format in the finger vein recognition application system. This standard is applicable to the finger vein image acquisition, storage and transmission in the finger ve |
GA/T 940-2012: Technical requirements for finger vein recognition images in secur ity systems---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 requirements for finger vein recognition images in secur ity systems
ICS 13.310
A91
People's Republic of China Public Security Industry Standards
Security finger vein image recognition application system technical requirements
Issued on. 2012-12-26
2013-03-01 implementation
People's Republic of China Ministry of Public Security
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The Standard Technical Committee biometric identification application of the Technical Committee of the National security and alarm system standardization
(SAC/TC100/SC2) and focal points.
This standard was drafted. Beijing in the security shield technology development company, the Ministry of Public Security and Police Electronic Products Quality Inspection Center, Tsinghua University
Science, Shenzhen control biometric Technology Co., Ltd., the first Ministry of Public Security Institute.
The main drafters of this standard. Hou Hongchuan, Qi Wei Wei, Yin Desen, HE Lan, Ma Huimin, Ang Hu, Zheng Zheng, Li Shan well, Chen Shukai, Liu Junping.
Security finger vein image recognition application system technical requirements
1 Scope
This standard specifies the technical requirements for security means the middle finger vein recognition applications vein image quality and data format.
This standard applies to the security finger vein identification applications middle finger vein image acquisition, storage and transmission.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GA 777.1-2008 fingerprint data Code Part 1. Finger pointing Code
GA/T 893-2010 biometric security application terminology
Part 9 ISO /IEC 19794.9 Information technology - Biometric data interchange formats. Vascular image data
3 Terms and Definitions
ISO /IEC 19794.9 and GA/T 893-2010 defined by the following terms and definitions apply to this document.
3.1
The finger vein pattern fingerveinpattern
Veins under the skin of the fingers intertwined texture is formed, also known as finger vein.
3.2
Finger vein image fingerveinimage
Area finger vein image.
3.3
Distortion aberrationrate
Image optical imaging in longitudinal and transverse directions, respectively, due to the geometric distortion value representing the normal rate.
4 Image quality requirements
4.1 The number of pixels
Length (X direction) of pixels greater than or equal to 300, the width (Y direction) of pixels greater than or equal to 100.
4.2 gray
Finger vein image gray should meet the following requirements.
a) gray level 256, 00H represents black, FFH represents white;
b) dynamic gradation range. ≥128 level;
c) showing the finger vein gray value should be less than the surrounding background gray value.
4.3 Resolution
Length (X direction) and width (Y direction) is greater than or equal to the resolution of 300dpi.
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