GOST R ISO IEC 19794-6-2014 Information technology Biometrics Biometric data interchange formats Part 6 Iris image data《信息技术 生物统计学 生物统计数据交换格式 第6部分 虹膜图像数据》.pdf

1、 / 19794-6 2014 6 ISO/IEC 19794-6:2011 Information technology Biometric data interchange formats Part 6: Iris image data (IDT) 2014 / 19794-62014 II 1 - . . ( . . . ) , 4 2 098 3 - 11 2014 . 1568- 4 / 19794-6:2011 - . . 6. (ISO/IEC 19794-6:2011 Information technology Biometric data interchange forma

2、ts Part 6: Iris image data). - 1.5 2004 (3.5). - , 5 / 19794-62006 6 , . - 1.02012 ( 8). ( 1 ) , -. () - . , (gost.ru) , 2014 -, - / 19794-62014 III 1 .1 2 1 3 .2 4 .2 5 3 6 3 6.1 3 6.2 5 6.3 VGA .5 6.4 6 6.5 .7 7 .8 7.1 8 7.2 .8 7.3 .9 7.4 .10 7.5 .17 8 .17 A () .18 B () 19 () .22 .23 / 19794-62014

3、 IV - . , . - . - . / 19794-6:2005. - : ; . / 19794-6:2005 - 307 (640x480), JPEG (/ 10918) 6:1 (/ 19794-6:2005, A.1.6). 5 , 307 2 , , JPEG2000 (/ 15444), JPEG (/ 10918), . , (, - / 7816), , , - . / 19794-6:2005 - , . - , 2008 , / 1/37, 3 . , , - IREX-1 8. -. / 15948 , 20 70 . , , . B . , . / 19794-6

4、2014 1 6 Information technology. Biometrics. Biometric data interchange formats. Part 6. Iris image data 201601 01 1 - ( ) , , . -: , / 15948 / 15444; , / 15948 / 15444, - . : ; ; , - . 2 , , : , , 7 ; , , 6 . , , , , () , ( ). , , , , - . -, . / 19794-62014 2 , , , , , ( ). , , - , , . 3 , . , , .

5、, , -, : / 15444-1, . JPEG 2000. 1. (ISO/IEC 15444-1, Information technology JPEG 2000 image coding system Part 1: Core coding system) / 15948:2004, . -. . (ISO/IEC 15948:2004, Infor-mation technology Computer graphics and image processing Portable Network Graphics (PNG) Functional specification) /

6、19794-1, . . 1. (ISO/IEC 19794-1, Information technology Biometric data interchange formats Part 1: Framework). 4 , / 19794-1, : 4.1 (grey scale): , ; 4.2 () (iris): , - , ; 4.3 (iris centre): , ; 4.4 (iris radius): , ; 4.5 (limbus): : ; 4.6 (margin): / ( - ) , ; (R). : , . : (0,6R, 0,2R) , , R, - :

7、 0,6R , 0,2R . 4.7 (Modulation Transfer Function): - , ; 4.8 (pupil): , ; 4.9 (pupil centre): , ; 4.10 (round): , , - ; 4.11 (sclera): , ; 4.12 (spatial frequency): - , / / . / 19794-62014 3 5 : (BDIR) (Biometric Data Interchange Rec-ord); JPEG 2000 , / 15444 (Joint Photographic Experts Group enhanc

8、ed compres-sion standard for images as defined in ISO/IEC 15444) PNG , / 15948:2004 (Portable Network Graphics lossless compression standard for images as defined in ISO/IEC 15948:2004) VGA , 640 - 480 (Video Graphics Array image format having width 640 pixels and height 480 pixels) 6 6.1 : - , , , (- B). . , , , , , . 8 . , - 8 , - PNG JPEG2000. 6 . 1 , . 7.4.1. 7 - . , , (IREX-1)