1、 544572011 . 27 2002 . 184- , 1.02004 . 1 - ( )2 3 - 28 2011 . 407-4 (-):ITU-R .1120-7 (2007), BT.1364, BT.1367,ANSI/SMPTE 274, ANSI/SMPTE 292, ANSI/SMPTE 295M5 , - . () . - , , 2012 , - - II 5445720111 .12 13 , 14 24.1 24.2 .24.3 - 44.4 .95 105.1 .105.2 126 .166.1 166.2 196.3 216.4 216.5 24 () 2627
2、III 544572011 , - . 111 .IV 544572011 . Digital high-definition television. Digital Interfaces. Basic parameters 201212011 - - .2 : 522102004 . 535332009 . . 535352009 . - . . 535362009 . - . . - - - , 1 , , . (), - () . , , , , .3 , 3.1 52210.3.2 : ; ; ; ; ;1 544572011 ; , ; ; .3.3 () , - , -.3.4 (
3、) - , - .3.5 () , , - .3.6 () , - .4 , - 1. 1 -, , - - , -1 50 1250 148,5 4:2:2-2 25 50 1250 74,25 4:2:2-3 25 1250 74,25 4:2:2 50 825 74,25 4:2:24.1 , , , , - BT.709 1, 2. R, G, B, Y, CR CB - :Rd= Int(219 c180 D) c180 ER/+(16c180 D) + 0,5/D;Gd= Int(219 c180 D) c180 EG/+(16c180 D) + 0,5/D;Bd= Int(219
4、 c180 D) c180 EB/+(16c180 D) + 0,5/D;Yd= Int(219 c180 D) c180 EY/+(16c180 D) + 0,5/D;CBd= Int(224 c180 D) c180 ECB/+ (128 c180 D) + 0,5/D;CRd= Int(224 c180 D) c180 ECR/+ (128 c180 D) + 0,5/D, D=1 4 8- 10- ;EG/, EB/, ER/ EY/ R, G, B , - 0,0 1,0;ECR/ ECB/ , - 0,5 + 0,5.4.2 2.2 544572011 2 -1 -2 -3 1 Y
5、, CB, CR R,G, B -: EY/, ECB/, ECR/ ER/, EG/, EB/2 R, G, B, Y , 3 CB, CR, , 1)Y 4 1080 7205 :- EY/fdy2;- ECR/ ECB/fdc3 , %, 148,574,2574,2537,125c177 0,00016 :- R, G, B, Y;-CB, CR2376118818009007 :-R,G,B,Y;-CB, CR192096012805408 Y,CB, CR 4)(. 1) 192 2619 - 8 10 -10 5):- ;- 1,00254,750,00 255,756)11 7
6、):- R, G, B,Y;- CB,CR;- ;- R, G, B, Y;-CB, CR16,00128,00235,0016,00 240,0012 . 535332009 . . 1) Y.2) .3) CB, CR .4)T .5) 8- 10- 10- . 8- 0 255 1, 10- 0,00 255,75 0,25. 10- - 8 , 8- .6) 8- 8 .7) . . - :- (8- 10- );3 544572011- (8- 10- );- (. - BT.1364 2). Y, CB CR 20- - CB CR. 20- . :CB1Y1CR1Y2CB3Y3C
7、R3Y4,Y,CBCRCB CR, Y. Y , - . , 0,00 0,75 255,00 255,75, . R, G, B 30- 20- Y, CB, CR.4.3 - m . f - (O) . - g (O). m, f g 3. 1 3. 1 4 544572011 3 -1 -2 -3 1250/50/1:1 1250/50/2:1 1250/25/1:1 825/50/1:1 Y , - fdY, 1920 1280 fdY,148,5 74,25a -, ( 1)456012c45c43520012c45c43b , 1920120c45c431280c ( Y), T2640 1800d , T06e , T06f , 264 260g , 19206c45c4326006c45c43h , 1928 1308i , 4j , 4k , 456 520l , 1920 1280m , 2376 18001 c .2 , . - / , . / 2 3.5 544572011 2 , . 3 3. , - , - . /, 2, 3. - . - 6. , , (F), / (V) (H). 8-
