A Survey of Color for Computer Graphics

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$ 6XUYH\ RI &RORU IRU &RPSXWHU *UDSKLFV 6,**5$3+ &KURPDWLF $GDSWDWLRQ &KDQJH LQ LOOXPLQDWLRQ $XWRPDWLF ´ZKLWH EDODQFHµ 3HUFHSWXDO ❑ 6FDOH FRQH VHQVLWLYLWLHV ❑ YRQ .ULHV &RJQLWLYH ❑ 'LVFRXQW WKH LOOXPLQDQW ❑ ´2EMHFW FRQVWDQF\µ Relative Cone Responsivity 1.25 1 0.75 0.5 0.25 �� From Color Appearance Models, fig 8-1 YRQ .ULHV $GDSWDWLRQ 0 400 450 500 550 600 650 700 Wavelength (nm) L a = k L L M a = k M M S a = k S S k L= 1/L white, etc. $GDSWDWLRQ E\ VFDOLQJ WKH FRQH UHVSRQVH FXUYHV 0DXUHHQ 6WRQH 6WRQH6RXS &RQVXOWLQJ
$ 6XUYH\ RI &RORU IRU &RPSXWHU *UDSKLFV 6,**5$3+ &RORU $SSHDUDQFH 0RGHOV )URP PHDVXUHPHQWV WR FRORU DSSHDUDQFH 0RGHOV ❑ &,(/$% 5/$% //$% ❑ &,(&$0 V ❑ +XQW ❑ 1D\DWDQL ❑ *XWK $7* Color Appearance Models Mark Fairchild Measure physical stimuli Stimulus, background, surround, etc. Calculate tristimulus values XYZ (LMS) Stimulus, background, surround, etc. Calculate correlates of perceptual attributes Lightness, brightness,chroma, hue, colorfulness, etc. &RORU 9LVLRQ 6XPPDU\ )LUVW OHYHO YLVXDO SURFHVVLQJ ❑ /LJKW RQ WKH UHWLQD URGV DQG FRQHV ❑ 7ULFKURPDF\ DQG PHWDPHULVP ❑ &RORU PHDVXUHPHQW 2SSRQHQW FRORU ❑ 5 * % < $ ❑ VW OHYHO SHUFHSWXDO RUJDQL]DWLRQ ❑ 3HUFHSWXDO FRORU VSDFHV 0DXUHHQ 6WRQH 6WRQH6RXS &RQVXOWLQJ
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A Survey of Color for Computer Graphics

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