1、 ?G?G?G?GKS X ISO 12640 2G?G?G?G ?G?G?G G?G?G ?G?G G?G ?G %# * 0R # #;p $v ksK o 6“ 1 $ ksLMN#G7=8 KS X ISO 12640 2： 2005 2005 12 30 X ISO 12640 2： 2005 ( ) ( ) ( ) ( ) ： ： 2005 12 30 2005 1142 ： ： ( ) ( 02 509 7257 60) . 7 5 , . X ISO 12640 2： 2005 1 1. 1 2. 1 3. 1 4. 2 5. 2 5.1 2 5.2 CIE XYZ sRGB
2、2 5.3 3 5.4 6 6. 10 6.1 10 6.2 11 1 12 2 13 3 TIFF 14 4 17 5 18 20 i ICS 35.240.30； 37.100.99 KS X ISO 2 ： XYZ/sRGB ( XYZ/SCID) 12640 2： 2005Graphic technology Prepress digital data exchange Part 2： XYZ/sRGB encoded standard colour image data(XYZ/SCID) 1. , , (16 XYZ 8 RGB ) . , , , . 2. . . IEC 619
3、66 2 1： 1999 Colour Measurement and Management in Multimedia Systems and Equipment Part 21： Default RGB Colour space sRGB ITU R BT.709 3： 1998 Parameter values for the HDTV standards for production and international programme exchange TIFF, Revision 6.0 Aldus Corporation(now Adobe System Incorporate
4、d), June 3, 1992 3. . 3.1 . 3.2 3.3 3.4 . 3.5 KS X ISO 12639 . 3.6 3 CIE Publication 17.4, 845 03 25 XYZ sRGB . 5.2 XYZ sRGB . 3.7 CIE Publication 17.4, 845 03 22 3.8 . , . , . 3.9 XYZ RGB X ISO 12640 2： 2005 1. KS X ISO 12639 . 2. . 4. 8 7 16 XYZ 8 sRGB . 5. , 6. . “ 1” “ 2” . “ 2” CD . DIS DIS CD
5、ROM . 5. 5.1 8 ( ) 7 . N1 N8 , ( Woman with glass). S1 S7 , , , (vignette) . sRGB ISO XYZ XYZ ISO sRGB . 4 . 5.2 CIE XYZ sRGB 5.2.1 sRGB , sRGB IEC 61966 2 1 sRGB . sRGB sRGB (appearance) sRGB . sRGB sRGB . . , sRGB “unfinished” . , sRGB RGB . 5.2.2 XYZ sRGB CIE 1931 XYZ sRGB IEC 61966 2 1 . XYZ 8 s
6、RGB . . . sRGBR R8/255 sRGBG G8/255 (1) sRGBB B8/255 R8, G8, B8： 8 sRGB sRGBR , , ： sRGB sRGBGsRGBB , , 0.040 45 , sRGBRsRGBGsRGBB2 X ISO 12640 2： 2005 RsRGB /12.92 sRGBRGsRGB /12.92 (2) sRGBG BsRGB /12.92 sRGBBsRGBR , , 0.040 45 , sRGBGsRGBBRsRGB ( 0.055)/1.0552.4sRGBRGsRGB ( 0.055)/1.0552.4(3) sRG
7、BGBsRGB ( 0.055)/1.0552.4sRGBB =sRGBsRGBsRGB5950.02119.03019.02072.02715.06212.05180.06357.04412.0BGRZYX(4) RsRGB, GsRGB, BsRGB sRGB , X, Y Z sRGB sRGB . (glare) (flare) . (4) CIE 1931 XYZ 0.0 1.0 . 0.0 1.0 80(sRGB ) . 5.2.3 XYZ XYZ 16 , XYZ . 651665166516535655356553565ZZZYYYXXX=(5) X16, Y16 Z16 X,
8、 Y Z 16 . X, Y Z , , . X65, Y65, Z65 . 5.2.4 R , G , B(8 ) , X , Y , Z(16 ) . , . 5.3 1 . . 1 ( ) . . ： 4 096 3 072 4 096 3 072 16 /mm 256 mm192 mm . ： ： R, G, B X, Y, Z ： RGB 8 . XYZ 16 . ： 3 X ISO 12640 2： 2005 1. “Field fire” . 2. 3 . KS X ISO 12639 . 1 N1 Woman with glass N2 Flowers N3 Fishing g
9、oods low key( ) N4 Japanese goods . N5 Field fire N6 Pier N7 Threads , N8 Silver . 4 X ISO 12640 2： 2005 N1 Woman with glass N2 Flowers N3 Fishing goods N4 Japanese goods N5 Field fire N6 Pier N7 Threads N8 Silver 1 ( monochrome reproductions) 5 X ISO 12640 2： 2005 5.4 , , (vignette) . 2 . , , . . 2
10、 ( ) ( ) S1 Teapot 360 480 S2 Japanese doll 1 536 2 048 S3 Cat 536 2 048 S4 Sports 2 048 1 536 S5 Business graph 1 536 2 048 S6 Colour chart 332 2 736 S7 Colour vignettes 608 4 256 S1 S5 8 sRGB . 16 XYZ 5.2.2 sRGB XYZ 8 sRGB . S6 S7 CIE L* . CIE L* (a* b* 0 ) 16 XYZ . IEC 61966 2 1 XYZ sRGB 8 sRGB .
11、 6 X ISO 12640 2： 2005 S1 Tea pots S2 Japanese doll S3 Cat S4 Sports S5 Business graph S6 Colour chart S7 Colour vignettes 2 5.4.1 . , , , . S1 S2 3D . S3 S4 2D . 7 X ISO 12640 2： 2005 4 , sRGB 8 . S1(Teapot) S1 UTAH Teapots 3D 3D . . Bezier . Bezier , . S2(Japanese doll) S2 3D . , 3D , 2D , 2D 2D .
12、 (Fukusuke) CD . , . S3(Cat) S3 2D , . , . . S4( ) , . ( ) . . 5.4.2 S5 , , . 7 . , (thinner), , , 5 . 7 , . . 2 , , . 5.4.3 S6 ITU R BT.709 3 RGB . , . S6 16 XYZ , 8 sRGB . . 63( 216 ) , 2 , 3 ( 77 ) sRGB XYZ 5.2.2 5.2.3 . , , . sRGB . . . , sRGB 8 X ISO 12640 2： 2005 , sRGB . “ ” “CHART.CSV” . 63
13、, 2 , 3 3 ( S6) 5.4.3.1 63 S6 63 XYZ sRGB . a) L*(0 100) 6 . b) L* (a* b* 0 .) 0 1 XYZ . c) 6 XYZ (6) sRGB . =ZYXBGR0057.10204.07055.05041.08875.19968.06498.02537.16240.3sRGBsRGBsRGB(6) d) 6 sRGB 63 sRGB . (7) 63 sRGB XYZ . =sRGBsRGBsRGB5950.02119.03019.02072.02715.06212.05180.06357.04412.0BGRZYX(7) e) (8) (9) 63 sRGB 8 sRG
