Двоичное кодирование графической информации

  • Published on
    01-Jan-2016

  • View
    87

  • Download
    9

Embed Size (px)

DESCRIPTION

. . ! 1001011. . - PowerPoint PPT Presentation

Transcript

  • *

    , : 0 1. . 0 1 . , : . , , .. . , .

    *

    , . , , :0 ;1 . . . , .

    , , , , : , , .

    *

    (, , , ). (, ), , , ., , . , . , .

    *

    . X . , , .

    *

    , () . , . .

    , , ( ) ( )-CD ( )

    *

    . .

    *

    () . - , . . ( ). (), , (, , ). ( , , , ) ( , ).

    *

    , : , ; . :

    : 1A2642FF425A5A7E16.

    8 , 8 . , , 4 () . , 1A16:

    *

    800*600 (800 600 , 480000 ). (- ) , . 1 . , - ( ) : = *1 () ( ppi = pixels per inch). ( ). , , , : 8, 16, 24 32 . N : N=2i, i .

    (i)816 (High Color)24 (True Color)32 (True Color) (N)28=256216=65536224= 16777216232= 4294967 296

    *

    : , . . , 24 8 , .. N=28=256 , 00000000 11111111 24 .

    000000000000000000000000111111110000000000000000000000001111111100000000000000000000000011111111000000001111111111111111111111111111111100000000111111111111111111111111

    *

    . ( A20 2005 ., 17 2006 .) 128*128 4 . ?1) 8 2) 2 3) 1 4) 4 . : = *(1) =N = 2i, i .(2) : = 4 = 4*210 = 22*210 = 212 = = 8*212 = 23*212 = 215 (3) = 128*128 = 27*27=214.(4) (3) (4) (1), , : 215 = 214 *i, i=2. (2): =N = 2i=22=4, 4.: 4.

    *

    : RGB CMYK. RGB , , , , : (Red), (Green), (Blue). CMYK , .

    *

    RGB , , . ( RGB), . , , (1), (0), .

    *

    RGB . . ( ). , ( ). , (, ), . (0, 0, 0) (1, 1, 1) . , . , ( ).

    *

    True Color RGB 3 (.. 24 ) - 1 (.. 8 ) . , RGB- 0 255 ( 28=256 ), , 16 777 216 . True Color ( ), .

    *

    RGB, ( 0016 FF16), #. , #FF0000, #0000FF. :

    *

    24 (. True Color ). ( ) 3, . , 2030 , , 20303 = 1800 ., , . , , (, ).

    *

    :1. 4, 8, 16, 24, 32 . (2. - ( ) 10*10 . ? (3. ( 256 ) 10*10 . ?4. 65536 16. ?5. 16 4 294 967 296. , ?6. 256- 120 . ?7. 64 32 64 . , .

    *

    1. 3232 512 . ? :R=3232I=512 :=?K= 2bb=I/R=(512*8)/(32*32)=212/210=22=4K=16

    *

    2. 256- - (2 ) 70 . ?

    3. 64 8. , ?

    *

    , ( ) . . 12801024 . .. 1280 * 1024 = 1310720 . 32 : 32 *1310720 = 41943040 = 5242880 = 5120 = 5 .

    *

    (, , ). . . , , , . , .

    *

    ( ), ( ). :BMPGIFJPEGTIFFPNG

    *

    Bit MaP image (BMP) , Windows. , Paint. .Tagged Image File Format (TIFF) , . . . .Graphics Interchange Format (GIF) , . , . , (, ) ( ) ( 256). Web- .Portable Network Graphic (PNG) , GIF. Web- .Joint Photographic Expert Group (JPEG) , ( JPEG) . , . . Web- .

    *

    , , (, , , ) . , , :

    *

    , . , . , (, , , , ). . , . , , . , , :

    *

    , , . : WMF (. Windows Metafile Windows, .wmf .emf) Windows;CDR ( .cdr) CorelDRAW; AI ( .ai) Adobe Illustrator; SVG (. Scalable Vector Graphics , .svg) .

    *

    : ? , 3 ? RGB? : 800600, 16 . (586 )

    *

    9:- , . 1 , 0 .

    . .1) BD9AA5 2) BDA9B5 3) BDA9D5 4) DB9DAB :1) : () , , ..:

    2) 24 , , :

    3) 4 , ( , , 6):

    4) , B (11), D(13), A(10), 9, D(13) 5, , BDA9D55) 3. : ( , )

    1 2 3 4

    1011110110101001110101011 2 3 4

    101111011010100111010101

Recommended

View more >