1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS A ISO 14524 (OECFs)KS A ISO 14524:2011 2011 12 26 http:/www.kats.go.krKS A ISO 14524:2011 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2005 12 14 ：2011 12 26 2011-0624 ： ： ( 02-509-7278) (http:/www.kats.go.kr). 10 5 , . KS A ISO 14524:2011 i . iii 1 1 2
2、1 3 .1 4 3 4.1 .3 4.2 OECF 4 4.3 OECF ( A) 4 4.4 OECF ( B) 4 5 5 5.1 OECF ( A) 5 5.2 B OECF OECF 5 6 .5 6.1 .5 6.2 ( ) 5 6.3 .6 6.4 .6 7 7 7.1 log .7 7.2 OECF 7 8 .8 9 .8 9.1 .8 9.2 .9 9.3 10 A( ) ISO OECF .13 A.1 ISO OECF 13 A.2 ISO OECF 15 B( ) KS A ISO 7589 .19 C( ) OECF 21 22 1 OECF 9 2 OECF 10
3、A.1 (DMIN 0.10) 4 31/iY , DI16 A.2 (DMIN 0.10) 4 31/iY , DI16 KS A ISO 14524:2011 ii A.3 (DMIN 0.10) 4 31/iY , DI17 C.1 (DMIN 0.10) 4 21 1 OECF 11 2 OECF 12 A.1 12 ISO OECF .14 A.2 16 ISO OECF .14 A.3 20 ISO OECF .15 A.4 20： 1 ISO OECF 18 KS A ISO 14524:2011 iii 2009 2 ISO 14524, Photography Electro
4、nic still-picture cameras Methods for measuring opto-electronic conversion functions(OECFs) , . . , . . (OECF) . a) ( ) , (H&D DlogH ) . . b) . c) . . OECF , . , OECF . . 2 . . , . , . OECF , . . , , OECF . ISO/IEC (2 ) - . KS A ISO 14524:2011 (OECFs) Potography Electronic still-picture carmeras Met
5、hods for measuring opto-electronic conversion functions(OECFs) 1 (OECF) . OECF . . 2 . . ( ) . KS A ISO 5 2, 2： KS A ISO 5 3, 3： KS A ISO 5 4, 4： KS A ISO 516, KS A ISO 7589： 2007, , ISO 5 1： 1984, Photography Density measurements Part 1： Terms, symbols and notations ISO 554： 1976, Standard atmosphe
6、res for conditioning and/or testing Specifications 3 . 3.1 (camera opto-electronic conversion function) OECF (camera OECF) (log10cd/m2) . KS A ISO 14524:2011 2 3.2 (digital output level) 3.3 (electromechanical shutter) 3.4 (electronic still-picture camera) , , 3.5 (focal plane opto-electronic conver
7、sion function) OECF (focal plane OECF) log10 lux seconds . 3.6 (illuminance scale exposure series) 3.7 (incremental gain function) . 1 . 2 . , . . 3.8 (incremental output signal) ( ) 3.9 (maximum exposure limit) . 3.10 (minimum exposure limit) KS A ISO 14524:2011 3 3.11 (OECF： Opto-Electronic Conver
8、sion Function) OECF . , . 3.12 (opto-electronic digital image capture system) ( ) 3.13 (output noise) 3.14 (scene luminance ratio) ( ) ( ) 3.15 (time scale exposure series) 3.16 (white balance) . 4 4.1 OECF OECF . OECF OECF . , . OECF . OECF OECF . , . OECF . OECF OECF . OECF . a) OECF . b) OECF . c
9、) OECF , KS A ISO 14524:2011 4 OECF . OECF . ( ) . OECF . . OECF . OECF 2 ( A B) , . A B , B . OECF . a) . . . OECF . . b) , . OECF . c) OECF . OECF . d) OECF , . OECF 4.2 4.4 . 4.2 OECF OECF , KS OECF . OECF , . OECF OECF , . 4.3 OECF ( A) A . 5.1 , 1/20 . . 4.4 OECF ( B) B . (Lambertian) ( ). BKS
10、A ISO 14524:2011 5 . 2etS65.0fLE = (1) ES： lux . Lt： , fe： B , . 4 2 % . 30 2 % . , (5) . 15 . 5.2 . KS OECF B . 5 5.1 OECF ( A) OECF . KS A ISO 7589 OECF . 5.2 B OECF OECF OECF ISO . KS A ISO 7589 1 2 . ISO/SDI KS A ISO 7589 ISO ( B ). , , , . , . , 45 . 40 50 . 6 6.1 ISO 554 (232) . (5020) % . 6.2
11、 ( ) 6.2.1 KS A ISO 14524:2011 6 , . 6.2.2 ( ) OECF . 6.2.3 6.2.3.1 . , . , RGB - . 6.2.3.2 OECF 1/2 . 6.2.3.3 OECF OECF . 6.2.4 , OECF . OECF OECF . 6.3 IR . IR , IR , 5 % IR . IR 780 nm 50 % , 350 nm 740 nm 1 % . IR IR . , IR . IR OECF . 6.4 6.4.1 OECF ( B) . KS A ISO 14524:2011 7 6.4.2 OECF OECF
12、. . OECF . (fe) . fRf += 11e(2) R ： f ： f-number . . . . 7 7.1 log . OECF . ( 2 , 0.3 ). , KS A ISO 516 . 9 8. . 7.2 OECF OECF A . . . . . , Di Li . ELiDi=10(3) KS A ISO 14524:2011 8 Di ： E ： lux , Li： Di (cd/m2) , Li . LLiDi=10 (4) Di： - L ： (cd/m2)Li： Di (cd/m2) 2 % . , OECF . (5) . 9 8. . . . 8 118 . 8 . 9 . . . (6464 ) . OECF ( B) 6464 . . , OECF 6464 . , . 9 9.1 OECF , 10 . . a) , OECF b) KS A ISO 14524:2011 9 c)
