Računalnik v izobraževanju Sredstva / Slika
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PC Webopaedia online encyclopedia:
Graphics;
Standards,
Zapisi.
Design
- barve (RGB, CMYK, CIE, HSL, ) - 396
- risba/posnetek
- standardi BMP, GIF, JPG, TIF, EPS
- morphing, 3-D
vaje:
- scan
- LVIEW
- vgradnja pregledovalnika RASMOL
- slika v Home page
retina
prizma
prizma
Itten
Zapisi
- BMP - bitmap
- TIFF - Tagged Image File Format
- GIF - Graphic Interchange Format; Compuserv, paleta do 256
- JPEG - Joint Photographic Experts Group; milijon barv,
pozabljivo stiskanje
- EPS - Encapsulated PostScript
- fraktalno stiskanje
- WMF - Microsoft Windows Metafile
Video/Image Technology
Tuning Your Images for the Web
Making the Most of Your
Animated GIFs
Graphics
Opisi barv
Žuželke vidijo tudi ultravijolične barve, mačke infrardeče
- RGB - Red, Green, Blue (aditivni)
barvanje s svetlobo R + G + B = bela
NTSC (National Television Systems Committee)
- CMYK - Cyan, Magenta, Yellow, blacK (subtraktivni)
barvanje z barvilom R + G + B = črna
C = 1 - R, M = 1 - G, Y = 1 - B
K = min(C,M,Y), C' = C - K, M' = M - K, Y' = Y - K
- HSB, HSL - Hue, Saturation, Brightness, Lightness
barva - lambda, nasičenost (količina barve), svetlost (količina beline)
- 0 - Red
- 60 - Yellow
- 120 - Green
- 180 - Cyan
- 240 - Blue
- 300 - Magenta
- CIE - Commision Internationale de l'Eclairage, 1931
Frequency, Saturation, Illuminance
R(CIE) = 700 nm, G(CIE) = 546.1 nm, B(CIE) = 435.8 nm
CIE
CIE
- YIQ, YUV
- YCC - Kodak, Photo CD
Posnetki
Zaslon n x m; k bitov za barve.
diskretizacija, povečana slika !!! / grab
k | barv | prostor | ime |
---|
1 | 2 | 38400 | enobarvni - črno/beli |
2 | 4 | | CGA |
4 | 16 | | VGA |
8 | 256 | 307200 | SVGA |
15 | 32765 | | tisoči barv |
24 | 16777216 | | milijoni barv |
640 x 480 VGA/SVGA, 1024 x 768 XGA, 1280 x 1024, VGA -- 72dpi
CLUT (Color LookUp Table) paleta, dithering, bliskanje pri menjavi palet
prozornost, prepletanje (postopno ostrenje)
Netscape
Victor Engel's No Dither Netscape Color Palette,
Through the 6x6x6 Color Cube - An Interactive Voyage,
Color Chart,
Color vision.
Barvna tabela
Barve v grbih in zastavah
Grbi;
Grbi1;
Grbi2;
Pomeni
Zastave;
barve
Vektorski opisi
Corel Draw, PostScript, CGM,
Digitalna fotografija
/ E:CD/Photo
IPIX ;
download ;
gallery
Veliki posnetki za 'igranje':
Pariz/Louvre (23.7 M),
Praga/ura (25.5 M),
Praga/trg (24.2 M).
Orodja
CCapture, Photo Paint, Lview
Programi: Orodja,
Prikazovalniki.
Corel,
Adobe,
Lview,
Irfan view,
Paint Shop,
10. nov 98 / 11. feb 96 / 10. jun 95;
©V.B.
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